1 . 选词填空

graduate from, organization, benefit, solution, be known as, in harmony with, convenient, fortunately, recycle, industrial

1. Humans have by now gone through three ________ revolutions — discovery of steam power, the introduction of electricity and the invention of modern computers.
2. He ________ university next year and he is hunting for a job now.
3. WWF is an international ________ that works to protect wildlife.
4. The discovery of oil brought many ________ to the town.
5. People should try to live ________ nature.
6. Plastic bottles can be ________ into clothing.
7. Yuan Longping is a great scientist and ________ “Father of Hybrid Rice”.
8. It is very ________ to use shared bikes in China now.
9. ________, no one was hurt in the earthquake just now.
10. There is no easy ________ to this environmental problem.

2 . 用方框中单词的适当形式完成下列句子，每个单词只能用一次。

benefit, convenient, decoration, experience, fortunate, patience, prevent

1. I know your leg hurts, but just be _____ until the doctor arrives.
2. Luckily, the policeman _____ the accident before it was too late.
3. Many students in my class like to _____ their lunch boxes with colorful stickers.
4. Though the main purpose of volunteering is helping others, volunteers can _____ from it too.
5. The development of modern technology has made communication _____ than ever before.
6. The doctor has a lot of _____ to deal with teenagers.
7. _____, no one was injured in the accident.

3 . 选词填空

contribution, style, workshop, material, secondary, proposal, fortunate, professional, amazing, challenge

1. The students make some ________ to improve the sports facilities.
2. You'll learn more about the different types of learning ________ to see which one works best for you.
3. We asked parents for a(n) ________ toward the cost of the summer trip.
4. Our Physics teacher dealt with the problem in a highly ________ way.
5. The exchange student's health is what matters — the cost of the treatment is of ________ importance.
6. ________ for the poor guy, he was very soon offered another part-time job.
7. My classmate Jean is trying to collect more ________ for her novel.
8. In the one-day ________, the PE teacher taught us the importance of breathing exercises.
9. It's ________ how much work you can do in a day if you put your mind to it.
10. No dream is too big. No ________ is too great. Nothing we want for our future is beyond our reach.