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【判断题】
车削细长轴工件时,为了使车削稳定,不易产生振动,应采用三爪跟刀架A.
正确
B.
错误
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举一反三
【单选题】I regretted not having finished my composition last night, I to the cinema with Mary.
A.
shouldn’t have gone
B.
might have gone
C.
needn’t have gone
D.
must have gone
【单选题】he has told us, we will be punished for not having finished the work in time.
A.
Which
B.
That
C.
As
D.
What
【简答题】根吸收水分和无机盐的主要部位是根尖的___________。
【判断题】Preventable adj. 可阻止的,可预防的 ; [ 例句 ]Forty-thousand children a day die from preventable diseases 每天有 4 万个孩子死于本可以预防的疾病。
A.
正确
B.
错误
【单选题】I regretted not having finished my composition last night, I ____ go the cinema with Mary.
A.
shouldn’t have gone
B.
might have gone
C.
needn’t have gone
D.
must have gone
【单选题】Section A Choose the best translat ions for the following sentences. 1. Not having finished his homework, John was punished by his mother.
A.
没有完成作业，约翰被他妈妈惩罚了。
B.
因为没写完作业，约翰得到了妈妈的惩罚。
C.
由于没有写完作业，约翰受到了妈妈的惩罚。
D.
没写完作业，约翰受到了妈妈的惩罚。
【简答题】根吸收水分和无机盐的主要部位在根尖的分生区．______．
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