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【简答题】
为保证试验结果的可靠性和准确性,每组试件的数目要求为:小试件不少于( )个;中试件不少于( )个;大试件不少于( )个。
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举一反三
【简答题】Millions of people are moving away from rural areas in other countries. In other words, in much of the world there is an exodus from the countryside to the cities.
【单选题】Among the four words from paragraph 5, which doesn' t fall into the same category as the other three?
A.
Circus.
B.
Enthusiast.
C.
Costume.
D.
Clown.
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