3. A．after B．for C．at D．to
2. A．help B．give C．make D．take
1. A．days B．time C．hours D．weeks
15. We hope to help more people by ________ voluntary work.
A．do B．did C．to do D．doing
根据短文内容，从各题所给的A、B、C、D四个选项中选出最佳选项。
Do you know how to study better and make your study more effective（有效的）? We all know that Chinese students usually study very hard for long 1 . This is very good, but it doesn’t 2 a lot, for an effective student must have enough sleep, enough food and enough rest and exercise. Every day you need to go out for a walk or visit some friends or some nice places. It’s good for your study.
When you return 3 your studies, your mind will be refreshed and you’ll learn more 4 study better. Psychologists（心理学家） 5 that learning takes place this way. Here take English learning 6 an example. First you make a lot of progress and you feel happy. Then your language study seems 7 the same, so you will think you’re learning 8 and you may give up. This can last for days or even weeks, yet you needn’t give up. At some points your language study will again take another big 9 . You’ll see that you really have been learning all along. If you get enough sleep, food, rest and exercise, studying English can be very effective and 10 . Don’t give up all the way learning slowly and you’re sure to get a good result.
14. 70% of the earth__________ with water.
A．covers B．is covered C．covered D．are covered
13. Did you find __________ interesting to learn English?
A．it’s B．its C．it D．that
12. The room is too small for us to ____________.
A．live in B．living in C．live in it D．living in it
11. When you are feeling sad, you can say I’m feeling __________.
A．blue B．yellow C．red D．white
10. We have learned ___________ 10 English songs this term.
A．at all B．at once C．at times D．at least
9. We live in a world __________ colours.
A．full with B．filled of C．full of D．fill with