4.　　　 ____________ (失败) is the mother of success.

3.　　　 Yufang talked to some friends from his university in Beijing and they helped ___________ (安排) for his return.

2.　　　 We should try our best to improve our ___________ (每日的) life.

1.　　　 These are some great scientific ________________ (成就) that have changed the world.

25. Many countries are increasing their use of natural gas, wind and other forms of ________.

A. energy 　　　　B. source　　　　 C. power　　　　 D. material

24. ---- Did you have trouble with your car this morning?

　 ---- Yes, but I finally managed _______.

A. to get it started 　　　　　　　B. get it starting

C. to get it start　　　　　　　　 D. getting it started

23. There are many black clouds. It is _______ to rain again.

A. surely　　　 B. probable　　　　 C. likely　　　　 D. possible

22. Mr. Dunster often worked ______ into the night preparing his lessons, which made us _____ moved.

　　 A. deep; deep　　　 B. deeply; deeply　　　　 C. deep; deeply　　　 D. deeply; deep

21. I used to smoke _______ but I gave it up three years ago.

A. seriously　　　　 B. heavily　　　 C. badly　　　　 D. hardly

20. She didn’t feel ______ when she was ________.

A. alone; lonely　　　　 B. lonely; alone　　　 C. alone; alone　　　　 D. lonely; lonely