八年级上册英语第七单元unit7知识点及练习题

八年级上册英语第七单元unit7知识点及练习题八上Unit 7
on computer在电脑上on paper在纸上
live to do 200 years old活动200岁free time空闲时间
in danger处于危险之中on the earth在地球上
play a part in doing sth.参与某事space station太空站
look for寻找computer programmer电脑编程员
in the future在未来hundreds of许多；成百上千
the same…as…与……一样over and over again多次；反复地
get bored感到厌烦的wake up醒来fall down倒塌
will+动词原形将要做……
fewer/more+可数名词复数更少/更多……
less/more+不可数名词更少/更多…… have to do sth.不得不做某事
agree with sb.同意某人的意见such+名词（词组）如此……
play a part in doing sth. 参与做某事
There will be + 主语+其他将会有……
There is/are +sb./sth.+doing sth.有……正在做某事
make sb. do sth. Make it adj for sb to do sth
help sb. with sth.帮助某人做某事
try to do sth. 尽力做某事
It’s+ adj.+for sb. to do st h. 对某人来说，做某事……的。

Be able to可以和各种时态连用，表示是一种具体的或在某种特定场景下的能力。

1. --- I think people will have free time in the future.
--- I think so. They can do a lot of things they like.
A. less
B. more
C. many
D. fewer
2. Will you come to my party?
A. can
B. able to
C. be able to
D. can able to
3. The Internet makes it for us to send information to each other in a few seconds.
A. possible
B. necessary
C. impossible
D. important
4. Look! There are some people in the sea.
A. swim
B. swimming
C. will swim
D. are swimming
5. Perhaps people will fly up into space and spend their holidays on the moon .
A. in the future
B. in a future
C. in future
D. from now on
基础演练
1. You should eat (little) meat and more fruit and vegetables to keep healthy.
2. Some people think there will be (few) trees in the future.
3. Are there any tall (build) in your hometown?
4. People (not ride) bikes to work in the future.
5. I think the cities (be) more crowded in 100 years.
6. Some scientists think that robots will be able (talk) in the future.
7. It is (danger) to drive too fast.
8. If you try your best, nothing is (possible).
9. In the future, (human) will have much knowledge to learn.
10. We never know what (happen) tomorrow.
6. --- Will people live to be 200 years old?
--- . They can't live so long.
A. No, they won't
B. No, they don't
C. Yes, they do
D. Yes, they will
7. Everyone will have a credit card (信用卡). There any paper money.
A. isn't
B. aren't
C. haven't
D. won't be
8. There are so many flowers on side of the road. It looks beautiful.
A. all
B. both
C. each
D. every
9. Please give me two .
A. pieces of paper
B. piece papers
C. pieces of papers
D. piece of papers
10. --- Will this kind of trees live 1,000 years old?
--- Yes, they .
A. to; are
B. to; be
C. to; will
D. to be; will
11. She will be a teacher two months.
A. on
B. after
C. in
D. at
12. Everyone wants to the moon for vacations.
A. fly
B. to fly
C. flying
D. flew
13. We should use plastic bags to protect our environment.
A. more
B. less
C. fewer
D. much
14. --- Do you think more buildings in our town?
--- Yes, I think so.
A. there will be
B. will there be
C. there is going to have
D. is there going to be
15. We should play a part in our earth.
A. save
B. to save
C. saving
D. saved
一般将来时表示将来某一时刻或经常发生的动作或状态。

1. 一般将来时的时间状语有：tomorrow, this (afternoon),next (year),one day, now, soon, someday, sometime, in the future, when引导的从句等。

2. 用will构成的将来时,表示将来的动作或状态。

“shall”用于第一人称,“will”
用于所有人称。

如：I will graduate from this school soon.(我很快就要从这所中学毕业了)
You will stay alone after I leave.(我走了之后你就要一个人过了)
3. 表示一个人临时决定要做某事或意愿,可以用will表达。

如：I will go to the lab to get some chemicals(化学药剂).
I will help you if I have time tomorrow.
4. shall和will 在口语的一些疑问句中相当于情态动词。

Shall一般与第一人称连用,will
与第二人称连用。

如：Shall we go to the zoo next Saturday?(我们下周六去动物园好吗？)
Will you please open the door for me?(替我把门打开好吗？)
1.There __________ a meeting tomorrow afternoon.
A. will be going to
B. will going to be
C. is going to be
D. will go to be
2. Charlie ________ here next month.
A. isn’t working
B. doesn’t working
C. isn’t going to working
D. w on’t work
3. He ________ very busy this week, he ________ free next week.
A. will be; is
B. is; is
C. will be; will be
D. is; will be
4. There ________ a dolphin show in the zoo tomorrow evening.
A. was
B. is going to have
C. will have
D. is going to be
5. –________ you ________ free tomorrow?
– No. I ________ free the day after tomorrow.
A. Are; going to; will
B. Are; going to be; will
C. Are; going to; will be
D. Are; going to be; will be
6. Mother ________ me a nice present on my next birthday.
A. will gives
B. will give
C. gives
D. give
7. – Shall I buy a cup of tea for you?
–________. （不，不要。

）
A. No, you won’t
B. No, you aren’t.
C. No, please don’t
D. No, please.
8. – Where is the morning paper?
– I ________ if for you at once.
A. get
B. am getting
C. to get
D. will get
9. ________ a concert next Saturday?
A. There will be
B. Will there be
C. There can be
D. There are
10. If they come, we ________ a meeting.
A. have
C. had
D. would have
巩固提高
一、按要求转换句型
1. There were some trees near the river. (用next year改写句子)
There some trees near the river next year.
2. Will they stay at home on Sunday? (作否定回答)
, .
3. Will the flowers come out soon? (作肯定回答)
, .
4. We'll go out for a walk with you. (改为否定句)
We out for a walk with you.
5. Jinan will have a fine day. (改为一般疑问句)
Jinan a fine day?
一、单项选择
1. There some red paper on your desk.
A. be
B. is
C. are
D. have
2. No hurry. The bus will arrive ten minutes.
A. at
B. in
C. for
D. by
3. We have no more vegetables in the fridge. I and buy some.
A. go
B. went
D. was going
4. Our summer holiday is coming, and of students in our school will go to the beach.
A. hundreds
B. hundred
C. two hundred
D. two hundreds
5. I my homework as soon as I get home.
A. do
B. did
C. will do
D. am doing
6. --- Do you know if he to play basketball with us?
--- I think he will come if he free tomorrow.
A. will come; will be
B. comes; is
C. comes; will be
D. will come; is
7. All the children like Mr. White very much because he often makes them .
A. laughed
B. laugh
C. laughing
D. to laugh
8. It's easy water from the river.
A. getting
B. get
C. gets
D. to get
9. It usually mum about half an hour to cook supper.
A. pays
B. takes
C. spends
D. costs
10. Don't play soccer in the street. It's .
A. easy
B. boring
C. difficult
D. dangerous
11. --- Will people live to be 200 years old?
--- . People can't live so long.
A. No, they won't
B. No, they don't
C. Yes, they do
D. Yes, they will
12. Jack very busy this week, but he free next week.
A. will be; is
B. is; is
C. will be; will be
D. is; will be
13. He often helps his mother the housework, but he never .
A. B. with; gets boring
C. D. with; gets bored
with; get bored
to do; get bored
14. --- Don't keep water running when you wash hands. --- .
A. I hope so
B. I'm afraid not
C. Sorry, I won't
D. It's nothing
A
Vote(投票) for Me!
Bette and Steve are both running for class president (班长).
I want to be your next class president. I have been at this school for four years. If I become the president, I will get a classroom computer for us. We can also raise money to buy some books for the class library. Everyone likes school trips, so I'll plan a lot of trips this year. Most
importantly, I will put an idea box on the wall for you to tell me about your ideas. A vote for me is
a vote for a year.
I'm new at school, so I can bring many new ideas if I become the president. I planned our class party on the last day of school and I can do the same for this class. I also think that we should have a class pet. It's a great way to learn about animals. Please choose me as your next president.
42. Berry has been at this school for .
A. one year
B. two years
C. three years
D. four years
43. For his vote, Steve will plan .
A. a lot of trips
B. a sports meeting
C. to have a class pet
D. to buy some books
44. Bette doesn't mention(提到) she wants to get for the class.
A. a pet
B. an idea box
C. some money
D. computer
B
The story of Dr. Percy Julian is an example of one person's hard work and bravery. Percy was born in 1899 in Alabama. Because he was African American, he couldn't go to the same schools as white children. The schools he went to did not teach science. And yet, he became greatly interested in the science of chemistry.
After college, Percy wanted to go to graduate school so he could become a chemist. But one school after another turned him down because of his skin color. Finally, Harvard University accepted him. He got his master's degree (硕士学位) in 1923. Then he went to Europe. In 1931, Percy became Dr. Percy Julian, doctor of chemistry.
For the rest of his life, Dr. Julian worked with chemicals(化学物质) found in plants. He know that some plants had chemicals
that could heal(治愈) people. So he created those same chemicals in a lab. That meant more people could get the medicines they need. He developed chemicals that treated people with eye diseases and ease the pain that some people had in their bones. Dr. Julian also used chemicals to invent many new products.
After working at a company in Chicago for many years, Dr. Julian opened his own lab. Then he started a school that trained young people to be chemists. Dr. Percy Julian died in 1975. Today, his discoveries(发现) continue to help millions of people.
45. Dr. Percy Julian became greatly interested in as a student.
A. education
B. computer
C. chemistry
D. geography
46. After working at a company for many years, Dr. Percy Julian .
A. had his own lab
B. went to Europe
C. got his doctor's degree
D. taught science at a high school
47. According to the passage, Dr. Percy Julian .
A. could not go to school for his skin color
B. helped many people with his discoveries
C. made a lot of money from his company
D. was a famous doctor working in a hospital。