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【简答题】
重组DNA技术中必须的工具是______、______、______和______。
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举一反三
【单选题】The report indicates that the loss was due to the use of substandard bags for which you, the suppliers, are responsible.
A.
该报告指出此次损失是由于使用了不合标准的纸箱引致,故应由贵公司也就是供应商负责。
B.
该报告指出此次损失是由于使用了不合标准的袋子引致,故应由贵公司也就是供应商负责。
C.
该报告指出此次损失是由于使用了不符合标准的木箱引致,故应由贵公司也就是供应商负责。
【简答题】'You can't have this football back _____ you promi"You can't have this football back _____ you promise not to kick it at my cat again," the old man said firmly. A. because B. since C. when ...
【简答题】《史记》最初称为( )或《太史公记》《太史记》,( )(填写朝代)末始称《史记》。
【单选题】The survey report indicates that the loss was due to improper packing, for _______ you should be responsible.
A.
that
B.
what
C.
why
D.
which
【单选题】The agency, ______ to set and enforce health standard for American workers, has been promising a cotton dust standard for several years.
A.
which is
B.
which it is
C.
whose job it is
D.
of whose job is
【单选题】The rate of dissociation was followed by placing the unit on a scale and noting the weight loss due to chlorine evolution.
A.
离解速度可由在标尺上的刻度得出,并注意由于氯的放出而引起的重量损失。
B.
离解速度是通过下列方法求得的:将该设备放置在天平上,并记录由于氯的放出而引起的重量损失。
C.
离解率通过把这种单位置于天平上,并注意由于氯的产生而导致失重。
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