In the experiment you should keep a watchful eye ______ the developments and rec

题型：不详难度：来源：

In the experiment you should keep a watchful eye ______ the developments and record every detail.

A．in

B．at

C．for

D．on

答案

解析

keep an eye on sth 注意，监视

举一反三

You have made a few mistakes in your composition but ______ you have done well.

A．as a whole	B．on the whole
C．on the other hand	D．generally speaking

题型：不详难度：| 查看答案

We congratulated him ______ his getting a gold medal.That is to say: we offered him our congratulations ______ his getting a gold medal.

A．at;on

B．of;on

C．on;for

D．on;on

题型：不详难度：| 查看答案

The delicious food at the hotel ______the uncomfortable rooms,so nobody complained.

A．made up for	B．made up
C．tried out	D．made up of

题型：不详难度：| 查看答案

Some policemen were sent there to ______ the villagers ______ down the trees.

A．keep;cutting	B．prevent;cutting
C．prevent;to cut	D．stop;to cut

题型：不详难度：| 查看答案

The workers are busy with the repairs of the temple,which is ______.

A．out of danger

B．danger

C．in danger

D．of danger

题型：不详难度：| 查看答案