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【单选题】
可以携带胞液中的 NADH进入线粒体的 化合物 是A.
肉碱
B.
苹果酸
C.
草酰乙酸
D.
天冬氨酸
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【简答题】data recovery
【简答题】Not until recently _____ any idea what a guided missile was like. A. could I have B. had I C. I had D. did I have
【多选题】Identify two situations in which you can use Data Recovery Advisor for recovery. （）(Choose two.)
A.
The user has dropped an important table that needs to be recovered.
B.
The database files are corrupted when the database is open.
C.
You are not able to start up the database instance because the required database files are missing.
D.
The archived log files are missing for which backup is not available.
【单选题】I have not had any _______ Petra since she moved to San Francisco.
A.
contact
B.
contact with
C.
compare
D.
compare with
【单选题】______ it ______ for your help, I couldn’t have made any progress.
A.
Had; not been
B.
Should; not been
C.
Did; not been
D.
Not; been
【简答题】Complete the following sentences with the collocations given in the box below. Change the form when necessary. contrast with contact with as far as derive from confine to ...
【简答题】I have not had any ( ) Petra since she moved to San Francisco.
【单选题】I have not had any _______ Petra since she moved to San Francisco.
A.
contact with
B.
contrast with
C.
compare with
D.
contact to
【单选题】听力原文：W: Have you had any trouble finding a post office? M: Yes, I am a stranger here. What does the man mean?
A.
He had no problem finding the post office.
B.
There are not enough parking post offices.
C.
He has no idea where the post office is.
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