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【判断题】
用平均断面法计算土石方数量,其结果与实际结果相比一般是偏大。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】降低电源电压调速机械特性硬度( ),调速平滑性好,损耗较小,投资较大。
A.
不变
B.
变软
C.
变硬
【单选题】He looke like an Englishman, but his foreign accent gave hime ______.
A.
in
B.
away
C.
up
D.
over
【单选题】降低电源电压调速机械特性硬度( ),调速平滑性好,损耗较小,投资较大。
A.
不变
B.
变硬
C.
变软
【简答题】A.He doesn't. B.He wants the woman and students to be good friends. C.The woman knows more about it than he does. D.He thinks it's important for the woman to be more than just a 'face'.
【单选题】生物膜的功能主要决定于()
A.
膜蛋白
B.
膜脂
C.
糖类
D.
膜的结合水
E.
膜的通透性
【单选题】visión
A.
2
B.
3
C.
4
D.
5
【简答题】A.The woman wants to explain the experiment. B.The woman wants to observe the experiment. C.The man suggests they should stay with experiment. D.The man is sorry for the insecure experiment.
【简答题】A.gave up B.gave in C.gave out D.gave off
【单选题】What disappointed us was that their determination finally ___.
A.
gave off
B.
gave out
C.
gave up
D.
gave in
【简答题】A.The man wants to meet the woman's parents. B.The man doesn't know the woman's plan. C.The woman is happy to go with the man. D.The woman won't be able to take a vacation.
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