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【单选题】
( )就是对被研究总体中具有举足轻重地位的单位进行调查,以此获得总体基本情况资料的一种非全面调查方式。A.
重点调查
B.
普查
C.
抽样调查
D.
典型调查
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【单选题】听力原文：M: Hi, I have some good news for you. W: What is it? M: The teacher suggests that we go on a trip this Sunday. W: Oh, wonderful. Where shall we go? M: How about going to the zoo? W: I don't think...
A.
Teacher and student.
B.
Classmates.
C.
Father and daughter.
D.
Mother and son.
【简答题】已知电路如图所示，R 1 =R 2 =10Ω，R 3 =1Ω，R 4 =4Ω，R 5 =5Ω，U S1 =20V，U S2 =U S3 =10V，试求a、b、c、d、e、f点电位。
【简答题】inconvenient adj. 不方便的,不便利的 inconvenience; convenience 2. perseverance n. 毅力,持之以恒 persevere;perseverant 3. equal v.等同于 equally; equality 4. genius n.天才 5. proverb n. 谚语 6. pyramid n.金字塔 7. eagle n.鹰 ...
【简答题】已知电路如图所示，R 1 =20Ω，R 2 =R 3 =R 4 =R 5 =2Ω，R 6 =10Ω，I S1 =1A，U S2 =4V，U S3 =10V，U S4 =12V，U S5 =6V，U S6 =2V，试以o点为参考点，求φ a 、φ b 、U ab 。
【单选题】A written outline that describes the topics to be covered in a focus group is called a(n) _____.
A.
discussion guide
B.
moderator’s note
C.
survey
D.
debriefing
【单选题】For each group of items in the following, point out which item does not fall under the same category as the rest. Focus on the pronounciation of "n"
A.
co n siderate
B.
to n icity
C.
poi n tless
D.
inco n sistency
【单选题】听力原文：W: Hi, Paul. All set for your speech club presentation this evening? M: Yeh, I'm going to discuss robots. W: Robots? You mean those machines that walk and talk like in the movies? M: No, industri...
A.
Industrial specifications.
B.
Computer development.
C.
Scientific drawings.
D.
Science fiction.
【简答题】已知电路如图所示，R 1 =R 2 =2Ω，R 3 =R 4 =1Ω，U S1 =5V，U S2 =10V，试求φ A 、φ B 、φ C 。
【简答题】n Write a paragraph to compare or contrast the life in Cangwu campus and Tongguan campus . You may focus either on their similarities or their differences. n You are to compare or contrast at least th...
【简答题】读图然后回答问题： （1）从图一结构H中流出的血液一定会经过图 ，此时，血液发生的变化是 。 （2）图一中的血液流经图四时，结构3中一定没有 。 （3）血液流经图四中的结构4比1中__________明显减少，原因是血液流经肾脏时，经过____________________和肾小管重吸收两个过程，尿素与其他废物一起形成尿液排出体外。同时____的含量明显降低，这是因为它参与分解有机物，为生命活动...
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