高二英语第17-18单元练习题及答案 
一.选出最佳答案
1. In washing this cloth, be sure to _______ the temperature of water.
A. allow for B. pay for C. account for D. answer for
2. One of the provinces _______ the union and formed a new country.
A. broke away from B. kept away from
C. did away with D. cut off
3. It is well known that Thomas Edison _______ the electric lamp.
A. invented B. discovered
C. found D. developed
4. In order to get the exact result, the scientists made _______.
A. a lot tries B. to do experiments
C. trial and error D. great try
5.She will have to _____________herself to the new condition.
A. change B. fit C. adjust D. suit
6.What surprised me was not what he said but _____________he said it.
A. the way B. in the way that C. in the way D .the way which
7.The evening news comes on at Seven o’clock and _____________only thirty minutes.
A. keeps B. continues C. finishes D. lasts
8. It is suggested that medicine should not be kept where it is ____ to children.
A. acceptable B. accessible C. separable D. flexible 

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