1.He had intended to pull out of the complex situation but getting deeply involved.
A. picked up B. ended up C. took up D. kept up
2.According to the original design, the plant would be able to _______ at least 8,000 pianos a year.
A. bring out B. take out C. put out D. work out
3.In order to meet the demands they had to________production.
A. f asten up B. rise up C. speed up D. go up
4.—What’s the central idea of the passage，Bob?
—Sorry, I can’t make________of it.It’s beyond my ability.
A. judgement B. use C. idea D. sense
5.—Jack, this is the third time that you have been late this week .
—Sorry, sir, but I was ____ for 15 minutes on the way here in the traffic jam.
A. held up B. put up C. taken up D. given up
6.World Wildlife Fund ______ very much the efforts that China has made to protect endangered species from being further endangered.
