Unit 1I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。

1. The man spent much of his childhood ___ （observe） birds in the wild.2. Here they used to sit in the __ 阴（凉） through a long lazy summer's day.3. What surprised me most was that the young lady b _____ bravely in the face of danger.4. The city hall is planning to start a _______ （运动） aiming at encouraging young people to work out regularly.5. I accepted his a ___ that taxes on cigarettes and alcohol should be increased.II. 根据汉语提示，完成下列句子。

1. Hearing the news, the general commanded his troops to ___ 起（程） at dawn.2. Only by knowing yourself ___ （你才能希望） to become an effective leader.3. No matter what you do, ____ 一（旦开始）, you must continue.4. The people in Libya have gone through so many wars and they dream of __ 过（和平的生活）.5. Some people ___ 全（然不顾） the speed limit and consequently are fined.I. 选用合适的词或短语并用其适当形式填空。

look down upon, refer to, observation, audience, argument1. Li Hua often ____ the dictionary when he doesn ' t know thwe omrde.aning of a2. Don ' t ____ a student just because he has failed in an exam.3. Most information is collected by direct ___ of the animal ' s behaviour.4. There were strong ____ against these measures, so no agreement was reached.5. He has a special way of delighting the ___ with his performance.II. 用be 或have 的适当形式填空。

1. Each pen and each book ___ found in its place.2. Reading books and playing table tennis ____ my great pleasures.3. Not only his friends, but also he himself ____ looking forward to the party.4. Neither you nor your sister ___ been working hard these days.5. Fifteen percent of the students ____ absent today and nobody knows why.I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。

1. The g ____ gap refers to the difference in attitude toward things or the lack of understanding between young people and older folks.2. He is so d ___ to his work that the occasions are quite rare when he can spend aday with his kids.3. The new type of telescope is i ___ for the study of the planets in outer space.4. All the governments should take this into ___ （考虑）, trying to balance the needsof development and the environment.II. 根据汉语提示，完成下列句子。

1. My mother ________ （偶然遇见） an old friend of hers yesterday while she was shopping at the department store.2. Yang Mi insists that fortune favors only the prepared mind and nobody 's success happens碰（巧）.3. He ignored the doctor's advice and _____ 继（续） smoking.4. His new album _______ （发行） and became a hit online almost overnight.5. An old county doctor went out of her way to ______ 接（生） in a small village.Unit 2I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。

1. When you go out in the hot sun, you should always put cream on your skin to avoid getting s .2. The young girl is s ___ to bring up a family alone.3. The measures will enable us to increase our o ___ of bicycles soon.4. My friend was down with the flu, and ___ （因此） couldn't come to the party.5. The ___ （令人不安的） problem has been making it hard for him to sleep every night.6. In ten years the city ' s population e _____ by 12%, which has made the city more crowded.7. Although he speaks English fluently, he is not of British or American ___ 国（籍）.8. Please state your name, address and ___ 职_ 业（）.9. Our products are ____ 出（口） to Southeast Asia to gain more profit.10. Blood ___ （循环） in the body until life stops.III. 根据汉语提示，完成下列句子。

1. It was ___ （多亏了） your timely help that we accomplished the task on time.2. From his manner, we knew that he _____ 对.. 满意）the exam.3. —Do you mind my keeping pets at home?—I _____ （宁愿） you didn't.I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。

1. Don 't show him the other way of doing it it 'll only —c ______ h im.2. I ____ （后悔） not having worn a thicker coat yesterday.3. The sailors ____ （搏斗） with the winds and waves and finally landed the goods at New York.4. This plant can grow in many parts of the g _____ .5. Some farmers are discussing which c ______ they should grow in the field next year.III. 用所给词的适当形式填空。

1. ___ (eat) more fruit every day is helpful to keep the flu away from you.2. It ' s no use _____ (argue) with him, so you 'd better give it up.3. I can hardly imagine Peter ___ (sail) across the Atlantic Ocean alone.4. —You were brave enough to raise different opinions at the meeting.—Well, now I regret ___ (do) that.5. One learns a language by making mistakes and ___ (correct) them.6. He is proud of his son ' s ____ (win) first prize.7. —What do you think of the book?—Excellent. It 's worth _______ (read) a secoen.d tim8. This new order will mean ____ (work) overtime.9. Jenny could not help ___ (cry) when she was reading the moving story.10. She looks forward every spring to ____ (walk) in the flower garden.I. 根据下列各句句意及所给单词的首字母或汉语提示，写出所缺单词的正确形式。