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【判断题】
普通水准仪主要轴线包括视准轴、管水准器轴、圆水准器轴、横轴，且应满足一定的几何条件。()A.
正确
B.
错误
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举一反三
【单选题】Tom is a student and he works hard, and_______________.
A.
so I am.
B.
so do I.
C.
so it is the same with me.
D.
so I do.
【简答题】MC是 (__) 、MCR是 (__) 。
【多选题】Tom get excellent scores on exam,he has extensive knowledge and is a hard-working student. So Tom is a . ( )
A.
student
B.
top student
C.
excellent student
D.
good student
【单选题】—Tom was a good student and worked very hard.
A.
so was
B.
so did
C.
so it was with
D.
so it is with
【简答题】设,A上的关系R={ , , , },R c = .
【简答题】DNA 的中文名称为
【简答题】生物细胞中DNA的中文名称是什么?
【简答题】阅读短文，根据短文内容和已给出的首字母，在空白处填入适当的单词。 Tom is a student of Hongqi Middle school. He u______小题1:to be interested in comics about insects. He often borrowed some because he couldn’t a_______小题2:to buy too man...
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