（）,we keep records on all the experiments so that we may have enough.
第1题：
We usually keep a large supply()stock.
A、 at
B、 on
C、 in
第2题：
A. Having been spent all the money
B. All the money having been spent
C. We spent all the money
D. All the money was spent
第3题：
我们从特供商场购买食品，并加强对所购食品的检查
A.We’ll buy all the food from supermarket and check all the food we buy carefully
B.We’ll buy all the food from foreign countries and check all the food we buy carefully
C.We’ll import all the food and check all the food we buy carefully
D.We’ll buy all the food from exclusive shops and check all the food we buy carefully
第4题：
A bank reconciliation should be prepared periodically because ( )
A. the depositor's records and the bank's records are in agreement
B. the bank has not recorded all of its transactions
C. any differences between the depositor's records and the bank's records should be determined, and any errors made by either party should be
第5题：
请用下列适当的单词填空：
Alphabetical / sort / company / files / keep
1.It will not work on directories which have__________in them.
2.Please help me________ the files by size.
3.It's a good idea to_________ duplicate files on disk.
4.We open the files in _________order.
5.We will arrange files on all staff in our__________.
第6题：
I'm confident in these as long as we()the needs of the community residents and improve our service quality.
A. keep an eye on
B. keep an eye at
C. keep eyes on
第7题：
We will soon ____ natural resources if we keep exploiting them at such a rate.
A: run away with
B: run into
C: run out of
D: run down
第8题：
A、surrendered
B、thunder-struck
C、impenetrable
D、genetic
第9题：
As the saying goes, all work and no play makes Jack a dull boy. So we should ____ work and play.
A、keep a good balance between
B、both
C、better
D、just
第10题：
A. As a whole
B. As a rule
C. On the average
D. By all means