要求观察并分析生活中、国内外相关人机优秀设计与产品案例，整理并提交人机分析报告（包含产品描述、人机优点分析，例如符合人机哪些要素等。图文结合，文字500字以上）。 注意：为了方便大家互相查看，请大家以图文的方式直接在输入框内完成，不要以附件的形式上传
确立小组设计方向，进行产品实物/实地调研。要求测量人机相关尺寸，分析使用群体、操作方式与人机问题点。（每人分析同类产品3件以上）
根据小组已确立的设计方向，进行发明专利的学习与调研，分析国内外相关专利产品案例，每组10例以上（图文结合，文字500字以上）
根据小组已确立的设计方向，找出人机问题点，构思j9九游的解决方案，每人提交设计草图10张以上。
以个人为单位，上交一份过程记录文件、模型实物和照片。 过程记录文件：ppt格式，包含完整的课程过程，以及作品介绍海报。过程记录图文并茂，海报进行排版。 模型：照片数量不限，拍摄可参考上周mooc照片案例，请尽量布景正式拍摄，不要随意在桌上凳子上地上拍摄，可借用学院影棚或大疆实验室影箱拍摄。暂未返校的同学可待返校后提交模型实物。
多元函数在某点的偏导数存在但不连续,则该函数在该点的全微分一定不存在.
二元函数的最值一定是极大值。
社区一词最早是由（ ）提出来的。
人口密度最小的社区是（ ）。
社区居民通过其选举、监督行为参与和社会治理，体现的是社区的（ ）功能。
居家养老服务是社区（ ）功能的体现。
社区的维系功能主要体现在（ ）方面。
社区的构成要素包括（ ）。
下面哪些是农村社区的特征（ ）。
坚持问题导向和需求导向是社区管理的具体体现
城镇社区链接城市和乡村之间的纽带社区
社会是社区的
以下哪项不属于社区治理模式的内涵（）
日本社区治理模式的特征，不包括（）
我国社区治理模式的构成要素除了社区环境、的领导和职能，还包括：（）
国外社区治理模式类型，主要包括（）
西方社区治理模式的共同特点，主要包括（）
社区环境与结构特征，主要指（）
社区治理实践模式的基本特征，主要包括（）
社区治理模式就是指对社区治理实践进行反思和概括得出的具有代表意义的典型形式或是可以使人参照执行的标准样式。
街居一体化的街道社区是上海模式的主要特征。
的社区治理模式是主导模式的典型代表，对社区的干预较为直接和具体。
我国社区民主政治建设包括农村和（ ）两大块。
与社区居民自治行政化密切联系、互为表里的一个突出问题是社区居民自治的
（ ）是社区居民通过社区民主政治参与，自主管理本社区公共事务的组织形式。
社区民主政治建设中，组织主要是指（ ）等。
在社区民主政治建设中应该扮演好（ ）角色。
社区居委会是基层群众性自治组织，但在实际操作中，仍然存在较浓的行政色彩。
我国在城市化过程中，社区公共设施建设比较完善。（ ）
作为居民会议执行机构的社区居委会，是社区民主政治建设的重要依托。（ ）
半导体中空穴的移动实际上反映了半导体中 的移动。
n型半导体中的多数载流子是 ，而p型半导体中的多数载流子是 。
pn结内电场方向是由 。
pn结正偏是指 。
二极管正偏时应重点关注 ，反偏时应重点关注 。
齐纳二极管正常稳压时，工作在 状态。
点亮发光二极管应加 ，光电二极管正常工作时应加 ，变容二极管正常工作时应加 。
已知某二极管处于正向导通状态，其导通电流为0.5 ma，那么，此时二极管在室温（300k）下的小信号模型参数rd = 。
设简单硅二极管基本电路如图所示，已知r = 1kw。当vdd =10v时，分别应用理想模型和恒压降模型，求得的电流id分别为 和 ；当vdd =1v时，再分别应用理想模型和恒压降模型，求得的电流id分别为 和 。
12v电池的充电电路如图所示，用二极管理想模型分析，若vs是振幅为24v的正弦波，则二极管流过的峰值电流为 ，二极管两端的最大反向电压为 。
电路如图所示，若vs是有效值为220v的正弦波电压，rl = 100w，二极管采用理想模型分析，则二极管的最高反向工作电压为 ，整流电流应为 。
电路如图所示，d1，d2为硅二极管，当vs = 6sinwt v时，用恒压降模型分析电路时，输出电压vo的波形是 。
二极管电路如图所示。输入电压只有0v或5v两个取值。利用二极管理想模型分析，在vi1和vi2电压的不同组合情况下，输出电压vo的值是 。
电路如图所示，d为硅二极管，若vdd = 2 v，r = 1 kw，正弦信号vs=50sin(2p´50t) mv。则静态（即vs= 0）时，二极管中的静态电流为 ，vo的静态电压 ；动态时，vo的交流电压振幅为 。
稳压电路如图所示。若vi =10v，r =100w，齐纳二极管的vz =5v，iz(min)=5ma，iz(max)=50ma，那么负载rl的变化范围是 。
半导体二极管温度升高时，将明显增大由本征激发出的少数载流子的浓度，因此对二极管反向截止特性会产生更明显的影响。
对于实际的二极管，只要正偏电压大于零，二极管就导通。
二极管简化模型将二极管的i-v非线性特性近似成了线性或分段线性的关系。
通常硅二极管的反向饱和电流小于锗二极管的反向饱和电流，正向管压降低于锗二极管的正向管压降。
在使用齐纳二极管时，必须加限流电阻。
当输入信号频率为fl或fh时，放大电路增益的幅值约下降为通带内水平增益的 。
某放大电路在负载开路时的输出电压为4v，接入3kw的负载电阻后，输出电压为3v。说明放大电路的输出电阻为 。
已知某信号源内阻为1kw，未接放大电路时测得信号源电压为10mv，接入放大电路后测得放大电路输入端口电压为8mv，说明放大电路的输入电阻为 。
已知某放大电路的最大不失真输出电压范围是－10v～＋10v，若放大电路的通带电压增益是40db，则放大电路不失真放大时的输入电压范围是 。
信号不失真的放大在时域中表现为任何一点的幅值放大的程度完全相同。
只要放大电路的传输特性曲线是线性的，就不会出现失真现象。
用放大电路放大正弦波信号时，只有可能出现非线性失真，不可能出现频率失真。
放大电路的增益只能保证在一定频率范围内与频率无关。
放大电路中的符号“^”表示接大地的“地”。
放大电路输出信号增加的能量来自放大电路的工作电源。
同一个放大电路对不同信号源或带不同负载时，实际的放大能力常常是不同的。
放大电路只有电压增益、电流增益、互阻增益和互导增益四种增益形式。
当差分式放大电路两输入端电压为vi1=250mv，vi2= 150mv，则vid= mv，vic= mv。
双端输出的理想差分放大电路，已知|avd | = 40，|avc | = 0。若vi1=20mv，vi2= -5mv 。则|vo |为 mv。
电流源电路如图所示，vdd = vss =5v，t1～t3的vtn = 2v，l = 0，而kn1 = kn3 = 0.25 ，kn2=0.10，则iref = ma和io = ma。
电流源电路是一个___________，其交流等效电阻__________。
放大电路产生零点漂移的主要原因是 。
差分放大电路共模抑制比的大小反映了__________。
差分式放大电路最重要的特点是 。
在差分式放大电路中，源极或发射极公共支路上采用电流源进行直流偏置，带来的好处是 。
集成运算放大器的输入级采用差分放大电路的主要原因之一是它的 能力强。
设在差分式放大电路中输入信号为vi1=1050uv，vi2=950uv，若电路的| avd | = 100，| avc | = 2。则最大输出电压| vo|=________。
在电路图示的源极耦合差分式放大电路中，vdd = vss =5v，io = 0.2ma，电流源输出电阻ro=100kw，rd1 =rd2 =rd = 10kw，fet的kn= 1.5m，且ro >>rds >>rd，那么t2漏极单端输出时的差模电压增益avd2 =________，共模抑制比kcmr =________。
在图示的射极耦合差分式放大电路中，vcc＝vee＝10v，io＝1ma，ro＝25kw，rc1＝rc2＝10kw，bjt的β＝200，vbe＝0.7v。当vi1＝vi2＝0时，vce1＝vce2＝________；由t1集电极单端输出时的差模电压增益avd1»________，共模抑制比kcmr »________。
通用型集成运算放大器高频区的电压增益幅频响应在0db以上的斜率一般是 。
运放的单位增益带宽ft＝1mhz，转换速率sr＝1v/μs，当运放构成反相放大电路时的闭环增益av＝-10，则小信号闭环带宽fh＝______；当输出电压不失真最大幅度vom＝10v时，那么全功率带宽bwp＝______。
交流放大电路如图所示。电容对信号来说可视为短路。其交流电压增益表达式为________。
运放单电源阻容耦合放大电路如图所示，其交流电压增益表达式为_______。
图示电路中，已知运放741的iio＝20na，iib＝100na，vio＝5mv，且r2＝r1//rf ，那么电路的输出直流误差电压vo =________。
差分式放大电路与单管放大电路相比，增加了大约一倍的元器件，但获得了抑制零点漂移的能力。
共模抑制比是衡量放大电路电压放大能力的指标。
差分式放大电路中源极或射极公共支路上的电流源动态电阻ro对共模输入信号来说相当于短路。
差分式放大电路的漏极或集电极带镜像有源负载时，可以使单端输出等效为双端输出。
因为集成运放内部电路是直接耦合放大电路，所以它只能放大直流信号，不能放大交流信号。
当希望集成运放尽可能接近理想运放时，要求avo、rid、kcmr越大越好。
当希望集成运放尽可能接近理想运放时，要求ro、iib、iio、vio、diio/dt、dvio/dt越小越好。
当希望集成运放尽可能接近理想运放时，要求bw(fh) 、sr越小越好。
运放的开环差模电压增益下降3分贝所对应的频率fh是较低的，一般通用型运放的fh约为几赫兹至几十赫兹。
在设计运放构成的交流放大电路时，需要特别关注运放输入端的直流通路。
在单电源工作的运放电路中，输出静态电压的设置都与输入信号无关。
iib、iio、vio的影响只会产生输出静态误差，不会导致运放工作异常。
轨到轨运算放大器消除了失调电压和失调电流的影响。
图示电路是可以正常工作的交流电压跟随器电路。
理想运算放大器的参数是开环电压增益avo = ，输入电阻ri = ，输出电阻ro = 。
放大电路中，运算放大器的反相输入端为虚地，而 放大电路中，运算放大器的两个输入端对地电压是不为零的。
欲将方波电压转换为三角波电压，应选用 。
欲将方波电压转换为尖脉冲电压，应选用 。
欲将输入电压信号放大-100倍，应选用 。
电路如图8所示，假设运算放大器是理想的，则图（a）av = vo/vi = ，ri = ；图（b）av = vo/vi = ，ri = 。
电路如图9所示，假设运算放大器为理想的，那么vo = f(vi) = 。
理想运算放大器构成的电路如图10所示， = 。
加减法运算电路如图11所示，设运算放大器是理想的，则输出电压和输入电压的关系式为 。
电路如图12所示，假设运算放大器均为理想的，则= 。
电路如图13所示，开关s闭合时电路增益 ＝ ；开关s断开时电路增益 ＝ 。
在运算放大器构成的线性运算电路中一般均引入负反馈。
在线性运算电路中，集成运放的反相输入端均为虚地。
集成运放在开环情况下一般都工作在非线性区。
放大电路中的运算放大器只要是理想的，就一定存在虚短和虚断。
电压跟随器的电压增益为1，所以其对信号放大没有贡献。
场效应管利用外加电压产生的_______来控制漏极电流的大小，因此它是_______控制器件。
n沟道场效应管的漏极电流由_______的漂移运动形成。
p沟道增强型mos管的栅源开启电压是________。
一个mos场效应管的转移特性如图所示（其中漏极电流id的方向是它的实际方向），它是_______场效应管。
在共源、共漏和共栅三种放大电路组态中，_______放大电路电压增益小于1但接近于1，输入输出电压同相，有电压跟随作用；_______放大电路电压增益较高，输入输出电压反相；________放大电路输入输出电压同相，有电流跟随作用；________放大电路输出电阻小；_______放大电路输入电阻小。
用两个放大电路a和b分别对同一个电压信号进行放大。当输出端开路时，a和b的输出电压相等；当都接入负载电阻rl时，测得a的输出电压小于b的输出电压，由此说明，电路a的输出电阻比电路b的输出电阻________。
在图示电路中，已知各mos管的çvt ç=0.5v，mos管处于截止状态的电路是_______。
当栅源电压为0v时，_______mos管存在导电沟道，在正的栅源电压作用下，可以有更大的漏极电流。
试分析图示各电路，能正常放大交流信号的电路是________（设各电容对交流信号的容抗可忽略）。
设图(a)电路中各电容很大对交流信号均可视为短路，则其小信号等效电路为_______。
已知电路参数如图(a)所示，fet工作点上的互导gm＝1ma/v，设rds＞＞rd，则该电路的小信号等效电路是_______，电压增益为_______，输入电阻为_______。
电路如图所示。设电流源电流i＝0.5ma、vdd＝vss＝5v，rd＝9kω，cs很大，对信号可视为短路。场效应管的vt＝0.8v，kn＝1，l = 0。则场效应管的gm » _______，电路的小信号电压增益约为 _______ 。
源极跟随器电路如图所示，场效应管参数为kn＝1，vtn＝1.2/v，l=0。电路参数为vdd＝vss＝5v，rg＝500kω，rl＝4kω。若电流源i=1ma，则小信号电压增益约为________，输出电阻约为________。
图示电路参数为i＝0.5ma，vdd＝vss＝5v，rg＝100 kω，rd=10kω， rsi＝1kω。场效应管参数为vtn＝1v，kn＝0.5，λ＝0。那么电路的输入电阻约为________，源电压增益aυs＝υo/υs =_________，输出电阻约为________。
放大电路的静态是指输入端短路时的状态。
小信号模型中所研究的电压、电流都是变化量，因此，不能用小信号模型来求静态工作点q，模型参数大小也与q点位置无关。
在组合放大电路中，它的输入电阻就是第一级放大电路的输入电阻，而放大电路的输出电阻等于最后一级（输出级）的输出电阻。
mosfet放大电路的三种组态中只有共源电路有功率放大作用。
作为放大器件工作时，耗尽型n沟道mosfet的栅源电压能用正向偏置。
mosfet的低频跨导gm是一个常数。
增强型mos管工作在饱和区（放大区）时，其栅源电压必须大于零。
场效应管仅靠一种载流子导电。
设mos管的vtn＝1v，当测量到它在电路中的电压值为：vds＝3v，vgs＝2v时，可以断定该mos管工作在饱和区。
设mos管的vpn＝-2v，当测量到它在电路中的电压值为：vds＝3v，vgs＝-1v时，可以断定该mos管工作在饱和区。
设mos管的vtp＝-1v，当测量到它在电路中的电压值为：vds＝-3v，vgs＝-2v时，可以断定该mos管工作在截止区。
bjt具有放大作用的外部电压条件是发射结_______，集电结_______。
当温度升高时，bjt集电极电流______。
bjt放大电路共有三种组态的放大电路，它们分别是共射极、_______和_______放大电路。
npn型bjt共射极放大电路的交流电压输出波形上半周失真时为_______，此时应该_______基极电流。
用直流电压表测得放大电路中某bjt各管脚电位分别是2v、6v、2.7v，则三个电极分别是_______，该管是________型。
复合管如图所示，等效为一个bjt时，2端是 ，3端是 。
图示各电路中，能正常放大正弦交流信号的电路是_______ （设各电容的容抗可忽略）。
测量若干硅npn型bjt各电极对地的电压值如下，工作在放大区的bjt是________。
设原理图中各电容容抗均可忽略，其小信号等效电路为________。
电路如图(a)所示，若vo中的交流成分出现图(b)所示的失真现象，为消除此失真，又基本不改变输出电阻，应调整电路中的________元件，将其________。
射极偏置电路如图所示，已知b = 60。该电路的电压增益约为________。
在图示电路中，已知rb＝260kw，re＝rl＝5.1kw，rsi＝500w，vee＝12v，b＝50，|vbe|＝0.2v，则电路的输入电阻约为________，输出电阻约为________。
共基极电路如图所示。设b＝100，rs＝0，rl＝¥，则电路的电压增益约为_______，输入电阻约为________，输出电阻约为________。
npn型bjt只能在正电源电压下工作，而pnp型bjt只能在负电源电压下工作。
同一只bjt，无论在什么情况下，它的b 值始终不变。
bjt放大电路在不失真地放大动态信号时，其三个电极的实际电流方向始终不变。
在阻容耦合放大电路中，信号源和负载电阻会影响电路的q点。
直接耦合放大电路可以放大频率很低的信号甚至直流信号。
bjt的小信号模型只能用于分析放大电路的动态情况，不能用来分析静态工作点。
可以用万用表的“w”挡测量出bjt的h参数rbe电阻。
bjt组成复合管时最重要的特性是极大地提高了电流放大倍数。
某放大电路中的幅频响应波特图如图示。那么该电路的中频电压增益=______，上限频率fh =______，下限频率fl =______。
某放大电路增益的幅频响应波特图如图示。当输入信号的频率等于下限截止频率或上限截止频率时，该电路的实际增益是_________（db）。
图示一阶rc电路，其电压传递函数为_________。
图示一阶rc高通电路，当输入信号的频率等于时，电路的_______。
图示一阶rc电路，设r=1kw，为了对高于1mhz信号的衰减能达到3db以上，只要电容c值________就可以。
电路如图所示，其中 vdd=5v，rsi = 1kw，rg1= 30kw，rg2 = 20kw，rd = 4kw，gm= 0.8ms，l = 0，cgs=1pf，cgd=0.5pf。那么该电路源电压增益的上限截止频率约为 。
电路如图示，已知该电路在室温(300k)下运行，且bjt的vbeq＝0.6v，rbb¢＝100w，b0＝100，cb¢c＝0.5pf，ft ＝400mhz；vcc＝12v，rb1＝100kw，rb2＝16kw，re＝1kw，rc＝rl＝5.1kw，rs＝1kw，那么该电路的上限截止频率约为 。
放大电路在高频信号作用时放大倍数下降的主要原因是________。
放大电路在低频信号作用时放大倍数下降的主要原因是________。
在两级放大电路中，已知各自单级20lg|avm1| = 40db，fl1 = 4hz，fh1 = 20khz；20lg|avm2| = 30db，fl2 = 400hz，fh2 = 150khz。则两级放大电路的电压增益为 ，上限截止频率约为 ，下限截止频率约为 。
在共源极和共射极电路的高频等效电路中，分别由 和 引入了密勒效应。
某放大电路的通频带是50hz～50khz，中频电压增益＝40db，最大不失真交流输出电压范围是－3v～＋3v。下列信号中，经该电路放大后基本不会产生失真（失真率γ<10%）的是 。
为降低图示电路的下限截止频率但又不改变通带增益，可采取的措施是________。
在分析放大电路频率响应时，通过等效rc高通电路分析高频响应，而通过等效rc低通电路分析低频响应。
无旁路电容的直接耦合放大电路区别于阻容耦合放大电路的特点是，它在低频区的增益不会衰减。
通常情况下，对共源极放大电路低频特性影响更大的是源极旁路电容。
可以通过选择极间电容小的三极管来降低放大电路的下限频率。
可以通过降低放大电路的增益来增大带宽。
通常共栅极和共基极放大电路的通频带要宽于共源极和共射极放大电路。
in the following four items, which is not a favorable way to start a all talk with a stranger?
on which occasions are you likely to have a all talk with others?
which of the following aspects are often covered on the topic of hometown?
which of the phrases can you use to tell about where you are from?
which may be used to greet people you meet for the first time?
which ones of the following may be used to start a conversation with a stranger on campus?
which of the following types of educational institutions does a college providing its students job-specific trainings belong to?
which of the following is not a place for teaching and learning in the university?
what other names do you have to refer to a selected course?
what are the three levels of credentials (n.学历，文凭)？
a compulsory course is also called ________________or _______________.
what does “take a rain check” mean?
what do you say to finally confirm your agreement on the time and place of an appointment?
which of the following expressions refers to “a cinema in the open air”?
which of the following expressions means “续集”？
which of the following sentences does not mean the movie is funny?
what is a “star-studded movie”?
(多选)in a sentence, which ones of the following types of words are usually not stressed?
in what ways do you read a magazine that does not interest you much?
if you need to read something very slowing and reflectively, you read it ______.
（多选）which of the following types of materials do you read for learning?
（多选）which of the following types of materials do you read for fun?
（多选）if the book has been borrowed, what might the librarian say?
（多选）if the book is in the library, what might the librarian say?
（多选）if you want to reserve the book that has not been returned yet, what might you say?
（单选）which one of the following is a "track event"
(单选) which one of the following is not a "field" event?
(单选) what do we call "溜冰场" in english
(多选)which of the following are not classified as athletics?
(多选) which ones of the following belong to "x-sports" （short for extreme-sports）?
(单选) which of the following is the most proper greeting when you feel happily surprised about meeting someone on the street?
（单选）which one of the following can not be used to answer the question "good morning, how did you sleep last night?"
(单选)which of the following is not normally associated with shops or shopping？
(单选) which one of these is not a popular online-shopping website?
(单选) which of the following is not a suitable phrase to use when talking about ’returning goods or services’:
(单选) which one of the following shopping modes appeared last in the chronological order?
(多选) which ones of the following are advantages of online shopping?
what is a food guide pyramid?
what is a vegan?
when you spill the beans, you reveal the truth.
'take someone with a pinch of salt' means to trust someone completely.
when you write ‘in a nutshell’, you mean to write/put something simply and concisely.
'an apple a day keeps the doctor away!' tells you that eating fruit helps to keep you healthy.
'you are what you eat!' explains the connection between food and health.
if something ‘sells like hotcakes’, it sells very well.
a 'art cookie' is used to refer to an intelligent person.
(单选)in some restaurants it is expected that the customer will leave a ‘tip’. typically, what percentage tip should the customer leave?
（多选）unpleasant food can be described as:
（多选）in places like pubs, cafes and fast food restaurants, you usually request someone to repeat what they have said by using short fixed expressions such as:
（多选）when conversing with people in english, sometimes we find ourselves in situations where we have to ask someone to repeat what they have said when:
（多选）nice food can be described as:
（多选）food without a strong flavour can be described as:
(单选) which one of the following expressions means "不屑"？
(单选) which one of the following words means "容忍" when used as a verb.
(单选) what does "you are telling me" mean?
(多选) which one of the following expressions means "i agree with what you said".
documentary: a tv programme or film that shows a story or situation objectively and truthfully.
drama: a real life situation which may be exaggerated yet believable.
game show: a tv show in which contestants compete for prizes by playing games of knowledge or chance.
sitcom: a humorous drama based on situations that might arise in day-to-day life.
soap opera: a drama, typically performed as a serial on daytime tv, featuring the daily lives and problems of a group of people.
current affairs show: a show concerned with the latest news or latest events happening in a particular region, country etc.
reality tv show: a tv show in which members of the public or celebrities are filmed living their everyday lives or undertaking specific challenges.
(单选)which option shows the words in the correct sequence/order?
（单选）which of the following is not a synonym for “love”?
（单选）discourse markers are short phrases we can use to
（多选）which of the followings are synonyms for “hate”?
which of the following terms are not usually associated with the internet?
which of the following are not names of popular internet services?
which of the following are not internet services?
which of the following terms are usually associated with the internet?
which of the following symbols are usually associated with the internet?
which of the following are controversial opinions?
which of the following are ‘differing’ opinions?
which of the following expressions do not show an acknowledgement of someone’s opinion?
(单选) which of the following idioms means “让我心烦” in chinese?
(单选) which one of the following idioms means "即兴发挥,见机行事" in english?
(单选) which one of the following music genres refers to the music from movies or tv dramas?
(单选) which expression is equivalent to the chinese “成名曲”？
(多选) which ones of the following are essential members of a band?
(多选) which of the following adjectives could be best used to describe rock music?
（多选） which ones of the following musical instruments could be listed under the "wind instrument" category?
(多选) which ones of the following musical instruments could be listed under the "string instrument" category?
（多选）which ones of the following adjectives could be best used to describe classical music?
(多选) which ones of the following could be used to express “流行音乐榜”？
（多选）which ones of these interjections could be used to express amazement?
(多选) which ones of these interjections could be used to express anger?
（单选）which one of the following expressions could be used to mean "安慰某人"
（多选）which ones of the following expressions mean "a good friend"?
（多选）which of the following are the types of friendship mentioned in this unit?
(单选 )which of the following adjectives of personality does not mean (is not a synonym of) “angry”?
（多选）which of the following adjectives of personality does not mean (is not a synonym of) “confident”?
（多选）which of the following adjectives of personality does not mean (is not a synonym of) “shy”?
（单选）which of the following “mind-map branches” for the main topic "friendship" are in the correct order?
（单选）which of the following best describes "brainstorming" as discussed in this unit?
（单选）a “single parent family” is one where
(单选)what is the best way to describe a “nuclear family”?
（单选） an “extended family” is
（多选）which of the following are generally considered to be a ‘family type’?
（多选）which of the following terms are not usually associated with family types?
which of the following words are not synonyms of, or do not have a similar meaning to, “inspirational”:
which of the following words/expressions have a similar meaning to “bitter”?
（单选）which of the following is not an aspect of the ‘tabular approach’?
（多选）which of the following are note-taking methods described in this lesson?
(单选 ) which word not a synonym of “selfish” when describing children’s attitudes?
（单选）which set of words best fits the following sentence: “confuciani is the _________ that has _________ chinese _________ from several thousand years.”
(单选) filial piety is best described by which option?
（单选）which of the following is not a real famous celebrity?
（单选）which of the following words do not mean talented?
（单选）which of the following words do not mean outrageous?
（多选）which of the following are not true about lady gaga?
（多选）which of the following celebrity/career combinations are correct?
（多选）which of the following are not true about david beckham?
（多选）which of the following are important points for linking‘ideas’?
（单选）what is the main reason that bill gates and his wife were considered to be professional role models?
（单选）which of the following terms best explain expressions such as:‘beatlemania’or‘lisztomania’?
（多选）which of the following phrases are negatively associated with celebrities?
(单选) which one of the following expressions means "一审"？
（单选）which one of these behaviours, in serious cases, could elicit a legal punishment?
(多选) which ones of the following are crimes of stealing?
(多选) which ones of the following expressions mean ""
(多选) which ones of the following are crimes against children?
(单选) what is a person who attacks someone violently in a street in order to steal money from them.
(多选) which ones of the following mean "律师"？
(多选) which ones of these are important details when a crime case is reported to the police?
(多选) which ones of the following expressions signal "the next step"?
(单选) which one of the following expressions means the same as chinese tunic suit?
（单选）which one of the following expressions means "卫衣"?
(单选) which one of the following expressions means "休闲裤"？
(单选) which one of the following clothing styles means "学院风，学生风"？
(单选) which one of the following expressions means "格子的"？
(多选) (单选) which ones of the following quantifiers(量词) could be used with clothes?
(多选) which ones of the following words and expressions are synonymous to "fashionable"?
（多选）which ones of the following are the english equivalents to the chinese expression "名牌"？
（单选）which one of the following means "平头"？
(单选) how to say "我想修一下头发"？
(多选) which ones of the following expressions could you use before paraphrasing others' meanings?
(单选) which of the following expressions is a name for toys of cartoon or tv characters?
which category of toys does "jigsaw puzzle" fall into?
（单选） which one of the following is "过山车"?
(多选) which ones of the following are traditional toys?
(单选) which one of the following is the expression for "跳房子"？
(单选) which one of the following is the expression for "拨绳子"？
(多选)which ones of the following are expressions for "拔河"
(多选) why do we need pauses in our speeches?
(单选）which one of the following words could be used to mean "something bothering that lingers in your mind"
(单选) which one of the following words sugests the person is very proud?
(单选) which one of the following words could be used to mean "shouting angrily"?
(单选) if someone is very sick, in what kind of way is he likely to talk?
（多选）which of the following are the main disadvantages of the motor car?
(多选)which of the following are the main advantages of the motor car?
（多选）which of the following are the most important advantages of walking and cycling?
（多选）which of the following are the main disadvantages of walking and cycling?
（多选）which of the following is a phrase not normally associated booking a train ticket?
（多选）which of the following is a phrase not normally associated with city bus travel?
（多选）how can city planners improve the quality of city life?
（多选）big transportation infrastructure projects (e.g. high-speed railways) bring wider economic benefits to an area. which of the following are not economic benefits?
（多选）big transport infrastructure projects (e.g. high-speed railways) also create economic dienefits. which of the following are not economic dienefits?
（多选）what was the main reason that ‘by’ was late?
（多选）which of the following reasons were not given for city transport problems?
(单选) which one of the following is the english equivalent for “无形文化遗产”？
(多选) which ones of the following are forms of fine art?
(多选) which ones of the following should you pay attention to when going to a symphony?
(多选) which ones of the following are english equivalents to “皮影戏”？
(多选) which ones of the following are traditional stage-art forms in china?
(多选) when making an introduction of something, why is it important to focus on the main features?
（多选）which ones of the following are major ways to support a point?
(单选) which one of these architectures is usually used for display and could be dientaled once it is no longer needed?
（多选）which ones of the following are ancient style architectures?
（多选）which ones of these are names of western architectural styles?
(多选) which ones of these are features of baroque architectures?
（多选）which ones of the following words refer to high-rise architectures?
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