In the experiment we kept a watchful eye __________ the development and recorded
题型：不详难度：来源：
| In the experiment we kept a watchful eye __________ the development and recorded every detail. |
答案
| B |
解析
| 考查固定短语keep an eye on, 意为“注视（密切注意）……（的举动）”。 |
举一反三
The professor devoted all his life __________ the treatment of AIDS.| A．to research | | B．in researching | | C．to researching | | D．at researching |
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Kate asked the girl to ________ so that she could hear what her husband said on the phone.| A．slow down | B．come down | | C．settle down | D．break down |
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| Hello! I"m glad to see you here. When _____ you _____? |
| [ ] |
A. did, arrive
B. will arrive
C. have, arrived
D. are arriving |
| China _____ the WTO and became new member of it last year. |
| [ ] |
A. joins
B. joined
C. will join
D. has joined |
| Jim"s _____ many good friends since he _____ to Fuzhou. |
| [ ] |
A. made, came
B. makes, comes
C. making, came
D. made, has come |
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