参考答案及解析 一、 1. able 5. factory 二、
1. B astronaut以元音音素开头，故不定冠词用an。an astronaut意为“一位宇航员”。
2. B 短语on a space station意为“在太空站”。 3. B help sb. do sth.意为“帮助某人做某事”。
4. A “There be sb./sth. + doing sth.”是一个常用句型，意为“有某人/某物正在做某事”。句中现在分词作定语，说明发出动作，且句子的主语与后面的动词存在主动关系。
5. D be able to do sth.“有能力做某事”。由句中at the age of five可知应用过去时。 三、
1. impossible 2. (to) mend 3. looking 4. will be 5. play 6. fell 四、 1. for; to take
2. will be able to learn 5. seems that
Unit7 SectionB（2e-Self Check）随堂练习
一、根据句意及首字母或汉语提示完成单词
1. Tom can _______ (或许,可能)pass the exam, because he works hard these days. 2. _______ (在……期间)the week, I will wear suit to work. 3. Where did you take your h_______ last year, Tom? 4. I want to hear your p_______ about the future in class. 5. You should speak English as much as p_______. 二、用方框中所给词或词组的正确形式填空
pollution, predict, fall, astronaut, keep, come true, swim, hundred, look for 1. Be careful on the ice, or you will ________.
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2. astronaut 6. dangerous
3. rockets 7. possible
4. humans/ human beings
3. helps; do/with housework
4. Hundreds of
2. Lily was very happy, because her dream ________.
3. Do you think that Chinese ________ will fly to Mars one day? 4. My sister and I have the same ________ about the future. 5. We are sad about the ________ of the beaches with oil.
6. In Canada, many people ________ dogs, cats and other animals as their pets. 7. It is very funny ________ in the sea. 8. —What are you doing, Bill? —I’m ________ my math book.
9. There are five ________ players on the playground. 三、单项选择
1. —____ will it take you to get to the post office? —About half an hour. A. How old
B. How long
C. How soon
D. How often
2. There ____ a dancing party in our school tomorrow evening. A. have
B. will have
C. is going to have
D. will be
3. ____ people came to buy the book. It has two ____ pages. A. Hundreds of; hundred C. Hundred of; hundreds
B. Hundreds of; hundreds D. A hundred of; hundred
4. It’s easy ____ water from the river. A. getting
B. get
C. to get
D. gets
5. I predict he will be an engineer ____ ten years because he is so interested in building things. A. in
B. after
C. later
D. about
6. He seemed ____ what had happened. A. to know
B. knows
C. know
D. know in
7. —Where do you think he ____ a holiday next summer? —I have no idea. A. takes
B. took
C. is taking
D. will take
四、用括号内所给词的一般将来时填空
1. When will Mike ________ (arrive)here tomorrow?
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2. He will ________ (be)back in three hours.
3. I ________ (buy)a house when we save enough money. 4. They ________ (make)progress soon. 5. She ________ (have)a concert next year. 6. They ________ (not have)any classes next week. 7. There ________ (be)fewer cars in 100 years.
8. —________ the Browns ________ (go)to Shanghai for vacation? —Yes, they will.
9. ________ you ________ (teach)us French next term? 10. His father ________ (not be)back home in a week.
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参考答案及解析 一、
1. probably 2. During 二、 1. fall 6. keep 三、
1. B how old提问年龄多大；how long提问多长时间；how soon提问多久之后；how often“多长时间一次”，提问频率。结合答语“大约半个小时”可知选B。 2. D there be句型的将来时结构：“There will be.../ There is going to be...”。 3. A 当hundred表示具体的数目时，用单数形式；当表示概数时，用复数形式，且跟介词of连用，故选A。
4. C It is + adj. +for sb. to do sth.意为“对某人来说，做某事是……的”。其中it是形式主语，后面的不定式是真正的主语。句意为“从河里取水是很容易的。” 5. A 结合句中的he will he an engineer可知本句是一般将来时，因此用“in+—段时间”。故选A。
6. A seem后面跟动词时，应用动词不定式。
7. D take a holiday“度假”。结合时间状语next summer可知用一般将来时。 四、 1. arrive
2. be
3. am going to buy/ will buy 7. will be
8. Will; go
4. will make 9. Will; teach
2. came true 7. to swim
3. astronaut 8. looking for
4. prediction 9. hundred
5. pollution
3. holiday
4. prediction 5. possible
5. will have 10. won’t be
6. won’t have
Unit7 课后巩固提升训练
一、用方框中所给词或短语的适当形式填空（其中有两项多余） building, planet, sky, on computer, peace, future, be 1. The dove is the symbol of ________. 2. I like to see the bird flying in the blue ________. 3. They will build more and more tall ________ in our city. 4. Kids won’t go to school and they can have classes at home in ________. 12 / 19