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【单选题】
对一段距离进行往返测量,测得D往=10.005m，D返=9.995m,则距离测量的误差为（ ）。A.
+0.010m
B.
0.001 m
C.
1/1000 m
D.
1/2000 m
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A.
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B.
that; which
C.
that; what
D.
which; that
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A.
had married; married
B.
had been married; married to
C.
had been married; had married
D.
married; had married to
【简答题】完形填空。 Why 1 children go to school? Do you know? You may 2 that they go to school to learn Chinese, English and some 3 subjects. This answer is 4 . But do you know 5 they learn all these things? Do the...
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A.
do ---while的循环体至少无条件执行一次;
B.
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C.
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D.
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A.
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B.
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C.
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D.
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【单选题】C语言中while与do-while循环的主要区别是:
A.
do-while的循环体至少无条件执行一次
B.
while的循环控制条件比do-while 的循环控制条件严格
C.
do-while允许从外部转到循环体内
D.
do-while的循环体不能是复合语句
【单选题】What does the title of the passage 'The Unseeing Eye' suggest'?
A.
The old man had very poor vision.
B.
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C.
The old man failed to see what he should have seen.
D.
The old man's wife was not easy to recogniz
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