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【单选题】
测低碳钢的强度极限时，如果用试样的瞬时横截面面积来计算强度极限，则其值与用原始横截面面积计算的结果相比 。A.
（ A ）相差不大
B.
（ B ）要小
C.
（ C ）要大
D.
（ D ）无意义
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举一反三
【单选题】According to the author, the reason why we go wrong about our friends is that ______.
A.
we fail to listen carefully when they talk
B.
people tend to be annoyed when we check what they say
C.
people usually state one thing but mean another
D.
we tend to doubt what our friends say
【单选题】According to the author, the reason why we go wrong about our friends is that ______.
A.
we fall to listen carefully when they talk
B.
people tend to be annoyed when we cheek what they say
C.
people usually state one thing hut means another
D.
we tend to doubt what our friends say
【简答题】简述地下害虫的综合防治措施。
【单选题】The reason _____ we don't like him is _____ he often lines. [ ]
A.
that; why
B.
why; that
C.
why; because
D.
that; because
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