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【判断题】
机构的自由度数应小于原动件数,否则机构不能成立
A.
正确
B.
错误
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【单选题】某种气质类型的个体,行为孤僻,反应迟缓,体验深刻,情感生活不够丰富,很少外露自己的情感;对事物反应有较高的敏感性,能体察到一般人所察觉不到的事物。这种气质类型是
A.
胆汁质
B.
多血质
C.
粘液质
D.
抑郁质
【简答题】解方程(带*的要验算) 2 t :t6%=x:1她.她 她 x+3 = 0.6 1.2 *30-2t%x=20.
【简答题】完成对话。从选项中选出能填入空白处的最佳答案。 A. What company do you work for? B. It's very nice to meet you. C. How about you? D. What do you think of the speeches? E. I'm sorry. A: Good morning. B: Good morning. A: 1 . B...
【单选题】There won't be any trouble, _____________?
A.
will there
B.
won't there
C.
will it
D.
won't it
【单选题】Which of the following is true?
A.
(A) If for all , then 0 is a critical point and a local minimum point of  f(x) .
B.
(B) If a,b are the only two local minimum points of f, then for all .
C.
(C) If , , then is a critical point and a local maximum point of  f(x)
D.
(D) None of above is true.
【单选题】若贬值前,某国商品出口数量为1000件,外币价格为12美元,进口品数量为200,外币价格80美元;贬值后,出口商品数量增加了100件,但是外币价格下降到10美元,进口品数量下降为180,外币价格不变。那么以外币计,下列说法错误的是
A.
贬值之后国际收支逆差3400美元
B.
出口恶化,出口额下降了1000美元。
C.
进口减少了1600美元。
D.
国际收支产生了600美元的顺差。
【单选题】Which of the following is the food that Jews don’t eat?
A.
beef
B.
lemon
C.
pork
D.
vegetable
【简答题】根据短文内容及所给首字母提示写出所缺单词, 并将完整单词填在下面对应题号后的横线上。 Hello. I'm Tom. I'm a middle school student. It's nice to meet you here. First, let me tell you s  1 about my family. There are f  2 people in my family. The...
【单选题】Please take any seat ___ is free. A. which B. that C. in which
A.
which
B.
that
C.
in which
【单选题】­---------the English exam is difficult , isn’t it? -------__Yes. Even Tom, ________to the to
A.
20.­---------the English exam is difficult , isn’t it? -------__Yes. Even Tom, ________to the top students, failed . A.belonging
B.
belonged
C.
to belong
D.
Belongs
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