24. We experimented ____ putting oil and water together, and we saw that they didn’t mix.

A. with　 B. at　　 C. for　　 D. by　　　　　

23. - I heard he was caught in a tsunami.　

- Yes, but he was lucky to escape ___.

A. injured　 B. to be injured　 C. being injured　 D. injuring

22. Since no one likes long speeches, I decide to make a(n) ___ one that is easily accepted by the audience.

A. simple　　　 B. small　　 C. brief　　　 D. easy

第一节 单项填空(共15小题； 每小题1分，满分15分)

21. Many experts home and abroad were _____ to carry out this important experiment.

A. brought in　 B. brought on　　 C. brought out　 D. brought up　

1.a-an　 2.正确　 3.in-at　 4.made-make　 5.and ^learn 6.Beside-Besides　 7.the去掉8.help-helps　 9.friend-friends 10.more-much /去掉

9. be sentenced to　 10.be willing to do sth.　 11. fight against　 12.believe in　 13.be equal to　 14.be proud to do sth.　 15.in a peaceful way　 16. break the law　 17. fight for

5. in fact/as a matter of fact　 6. put …into/to prison 7. come to power 8. set up　

1. lose heart　 2. in trouble　 3. worry about 　4.out of work/lose one’s job