Unit 7 Will people have robots全单元课时练(5课时含答案解析)

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名称 Unit 7 Will people have robots全单元课时练(5课时含答案解析)
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版本资源 人教新目标(Go for it)版
科目 英语
更新时间 2018-10-23 16:44:39

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U7 Section A (1a—2d)
Ⅰ. 根据句意及首字母或汉语提示完成单词
1. She is writing something on a piece of p________.
2. We will p ________ flowers and trees in the park.
3. I want to be a teacher. What are you going to do in the f________?
4. I think there will be more ________(污染) and the environment will be very bad.
5. The earth is a ________(行星) around the sun.
Ⅱ. 用所给词的适当形式填空
1. I think people in the future will live ________ (be) 200 years old.
2. Please read the following ________ (prediction) on the paper.
3. All of us should play a part in ________ (save) the earth.
4. The bedroom is too ________(crowd) for five people to live in.
5. The story ________(sound) very interesting.
Ⅲ. 单项选择
1. What ________ the life ________ next century(世纪)?
A. does; like B. is; like
C. will; be like D. will; like
2. —If there are ________ people driving, there will be ________ air pollution.
—Yes, the air will be fresher.
A. less; less B. fewer; less
C. less; fewer D. fewer; fewer
3. Robots will ________ an important part ________ our life.
A. take; in B. play; in
C. take; for D. play; for
4. —How soon will you be ready, Sam?
—________ five minutes.
A. At B. In
C. After D. For
5. —I think Cindy is certainly the No. 1 in the English speech contest.
—________. Her spoken English is not as good as Tina's.
A. I agree B. So she is
C. I don't mind D. I don't think so
Ⅳ. 完成句子
1. 每个学生都应参与到植树活动中来。
Every students should ________ ________ ________ ________ ________ trees.
2. 我认为每个家庭都将会有机器人。
I think every home ________ ________ a robot.
3. 这种老虎正处于极大的危险中。
This kind of tiger is ________ ________ ________.
4. 将来小汽车会更多, 而公共汽车会更少。
There will be ________ cars and ________ buses in the future.
Ⅴ. 补全对话
从方框中选择最佳选项完成对话,其中有两项多余。
A. Who will do the work?
B. No, we'll learn at home on computers.
C. What else will they do?
D. Where will everyone go?
E. How will people fly to the moon?
F. What are your predictions about the future?
G. There will be too many people on the earth.
A: __1__
B: The future? Well, I guess we won't work anymore.
A: No work? __2__
B: Robots will do all the work.
A: You think so? How about teachers? Won't there be any teachers?
B: __3__ No teachers.
A: Mmm. No work and no teachers. What else will people do?
B: They'll take long vacations.
A: Vacations? __4__
B: To the moon!
A: The moon? Won't they take vacations on the earth?
B: No. __5__
1. ______ 2. ______ 3. ______
4. ______ 5. ______
Ⅵ. 阅读理解
Our life will be different from now with robots appearing in our homes. So what will the future be like? Here are some students' ideas.
I expect to live in a more beautiful and cleaner city. The street will be cleaned by the robots once a day.
—Ben
There will be more kinds of food to choose from and the food will be more delicious. The robots can make the food for us.
—Karen
We do not have to spend much time on heavy work because robots will take most of our work, for example, washing the clothes. So we will have more vacations. We can take a vacation on the moon. We will not live on the earth but on the moon or other planets.
—Mark
I expect that most families will have their own planes made by their robots. And travel will become more convenient. The plane is faster than any other transportation.
—Sue
I expect robots can make the clothes for us. The clothes could change their sizes and color by themselves.
—Sam
1. There will be ________ for us in the future.
A. fewer vacations B. more money
C. more types of food D. more work
2. Robots will NOT help us to ________.
A. clean the city B. wash clothes
C. cook D. drive a plane
3. Which is NOT true according to the passage?
A. We can travel to the moon.
B. There may be no person on the earth.
C. We can spend little time on housework.
D. The train will be the fastest transportation.
4. The underlined word “convenient” means “________”.
A. easy B. crowded
C. boring D. quiet
5. What is the best title for the passage?
A. Robots in the future
B. Cities in the future
C. Transportation in the future
D. Future life with robots
参考答案
Ⅰ. 1. paper 2. plant 3. future 4. pollution 5. planet
Ⅱ. 1. to be 2. predictions 3. saving 
4. crowded 5. sounds
Ⅲ. 1. C 考查时态及句型。由句中时间状语“next century”可知,应用一般将来时。询问“……怎么样”用“What ... be like?”句型。故选C。
2. B 考查形容词比较级的用法。people是可数名词,用fewer修饰;air pollution是不可数名词,用less修饰。故选B。
3. B 考查固定词组。play a part in“扮演……角色;在……中发挥作用”。
4. B 考查介词辨析。“in+时间段”常用于一般将来时。
5. D 考查交际用语。根据答语“她的口语没有蒂娜好”可知,后者不赞同前者的看法,I don't think so“我不这么认为”,符合语境。故选D。
Ⅳ. 1. play a part in planting 2. will have
3. in great danger 4. more; fewer
Ⅴ. 1—5 FABDG
Ⅵ. 1. C 细节理解题。由文章中“There will be more kinds of food to choose from and the food will be more delicious.”可知选C。
2. D 细节理解题。由文章中“I expect that most families will have their own planes made by their robots. ”可知,“我”期望大多数家庭将拥有由他们的机器人制作的飞机,而不是由机器人开飞机。故选D。
3. D 细节理解题。由文章中“The plane is faster than any other transportation.”可知,飞机是最快的交通工具。故选D。
4. A 词义猜测题。由句意“旅游将变得更方便”可知选A。
5. D 主旨大意题。通读全文可知,文章主要是关于我们拥有机器人的未来生活。故选D。
U7 Section A (Grammar Focus—3c)
Ⅰ. 用little, few, many, much的适当形式填空
1. I hope I have ________ free time. I don't like to be busy.
2. You're getting fatter. You should eat ________ food and take ________ exercise.
3. There will be ________ pollution if we plant more trees.
4. I'm shy. She's outgoing. So I have ________ friends than her.
5. I want to have ________ money to travel around the world.
Ⅱ. 单项选择
1. What do you think ________ in the future?
A. will our earth be like
B. our earth will be like
C. will our earth like
D. our earth be like
2. I ________ think there ________ be more buildings in two years.
A. don't; will
B. 不填; won't
C. won't; 不填
D. will; don't
3. Tomorrow is Sunday. So we ________ to school.
A. will go
B. won't go
C. can go
D. went
4. Bill is happy because he ________ in a tall building next year.
A. live
B. will living
C. will live
D. lives
5. I'm doing ________ job ________ David.
A. same; like B. the same; like
C. same; as D. the same; as
Ⅲ. 完成句子
1. 今晚CCTV-6将有一场很精彩的电影。
________ ________ ________ a wonderful movie on CCTV-6 tonight.
2. 也许将来人们会活到200岁。
Maybe peole will ________ ________ ________ 200 years old in the future.
3. 我认为一百年后人们不会使用电脑了。
I ________ think people ________ use computers in 100 years.
4. 五年以后你会做什么工作呢?
What are you going to do ________ ________ ________?
5. 请你递给我一张纸, 好吗?
Could you please pass me ________ ________ ________ ________?
【提能综合练】
Ⅳ. 补全对话
从方框中选择最佳选项完成对话,其中有两项多余。
A. They'll study at home on computers.
B. Will people use money?
C. What do you think our life will be like in
100 years?
D. Of course, they will.
E. people will have robots in their houses.
F. people won't use money.
G. Who do you think will do chores in 100 years?
A: Hi! Mary. __1__
B: I think __2__ People don't need to do chores.
A: Will kids go to school?
B: No, they won't. __3__
A: Wonderful! I hate to go to school. I have to get up too early. __4__
B: No, they won't. Everything will be free.
A: Will people have more free time to relax?
B: __5__
1. ______ 2. ______ 3. ______
4. ______ 5. ______
Ⅴ. 任务型阅读
The world itself is becoming much smaller by using modern(现代的) traffic and modern communication means. Life today is much easier than it was hundreds of years ago, but there are also new problems. __1__ Pollution means to make things dirty. Pollute comes in many ways. We see it, smell it, drink it and even hear it.
__2__ The more people there are, the more pollution there will be. Many years ago, the pollution was not so serious, because there were not so many people. Man is now slowly polluting the whole world.
__3__ It's bad for all the living things in the world, but it is not the only kind of pollution. Water pollution kills our fish and pollutes our water. Noise(噪音) pollution makes it easier for us to become angry.
__4__ It is caused by heavy traffic. It is a fact that if there are fewer people driving, there will be less pollution.
Many countries are making rules to fight against pollution. They stop people from burning coal(烧煤) in houses and factories in the city. Dirty water is not allowed(允许) to go into rivers, lakes, seas and oceans.
The earth is our home. We must take good care of it.
根据短文内容,完成下列任务。
任务一:把A、B、C、D四个句子填入文中空缺处,使短文内容完整通顺。
A. Man is polluting the earth.
B. The pollution from SO2 is now the most dangerous kind of pollution.
C. Air pollution is still the most serious.
D. One of the biggest problems is pollution.
1—4: ______________
任务二:选择正确答案。
5. The underlined word “it” refers to(指代)“________”.
A. water pollution
B. air pollution
C. noise pollution
D. SO2 pollution
参考答案
Ⅰ. 1. more 2. less; more 3. less 4. fewer 5. more
Ⅱ. 1. B 在宾语从句中应该用陈述语序。故选B。
2. A 考查宾语从句的否定转移。当主句的谓语动词为think、 suppose、 guess、 believe等词, 且主语为第一人称时, 形式上应否定主句。句意为:我认为两年之后不会有更多的建筑物。故选A。
3. B 考查动词时态。句意:明天是星期日。所以我们将不去上学。故选B。
4. C 考查一般将来时。由时间状语next year可知用一般将来时。
5. D 考查固定词组。the same as“和……相同”。
Ⅲ. 1. There will be 2. live to be 3. don't; will 4. in five years 5. a piece of paper
Ⅳ. 1-5 CEABD
Ⅴ. 1-5 DACBC
U7 Section B (1a—1e)
Ⅰ. 根据句意及首字母或汉语提示完成单词
1. Liu Yang is the first Chinese woman a________ entering space.
2. The e________ is humans' mother. We should protect it.
3. The famous actor lives in an ________(公寓) across from the supermarket.
4. It's not easy to walk in ________(太空).
5. Jack dreams of flying ________(火箭) to the moon one day.
Ⅱ. 用所给词的适当形式填空
1. Lucy often ________(take) the bus to visit her grandmother on weekends.
2. The Greens ________(live) in London last year.
3. He lives in a tall building ________(cross) from the bank.
4. I think there ________(be) more cars in the future.
5. Look! There are some boys ________(fly) kites over there.
Ⅲ. 单项选择
1. We are glad to hear that the Greens ________ to a new flat next week.
A. move B. moved
C. will move D. have moved
2. There ________ a concert on Qixing Square next Monday evening.
A. is B. is going to
C. is going to be D. will have
3. —Will there be school in the future?
—________. I think that students will study at home on the Internet.
A. Yes, there will B. No, there won't
C. No, there isn't D. Yes, there aren't
4. I hear our teacher will be back ________ three weeks'.
A. at B. in
C. for D. after
5. —________ will you live in the future?
—I will live under the sea.
A. Where B. What
C. When D. Who
Ⅳ. 句型转换
1. There are many new students in our school. (用next year改写句子)
________ ________ ________ many new students in our school next year.
2. John went to the zoo by bus. (改为同义句)
John ________ ________ ________ to the zoo.
3. His mother will be back in_two_days. (对画线部分提问)
________ ________ ________ his mother be back?
4. I will live in_an_apartment. (对画线部分提问)
________ ________ you live?
5. Children will go to the movies tomorrow. (改为否定句)
Children ________ ________ to the movies tomorrow.
Ⅴ. 补全对话
从方框中选择最佳选项完成对话,其中有两项多余。
A. Cars in the future will be green ones.
B. That's because there will be more robots.
C. Will people live to be 200 years old?
D. What's your prediction about the future?
E. Do you think the city will be more crowded in the future?
F. More people will care about health.
G. Everything will be free.
A: Let's talk about the future. I think it always makes us excited.
B: I agree with you. __1__
A: I think every home will have a car.
B: But I think cars will make more pollution.
A: No. __2__
B: Great. Do you think people will have more free time in the future?
A: Yes. __3__ They will help people do some work.
B: I hope so. __4__
A: No. I think more people will live in the countryside.
B: Why?
A: Because the air there is very clean. It's good for people's health. __5__
B: You're right.
1. ________ 2. ________ 3. ________ 
4. ________ 5. ________
参考答案
Ⅰ. 1. astronaut 2. earth 3. apartment 
4. space 5. rockets
Ⅱ. 1. takes 2. lived 3. across 4. will be 5. flying
Ⅲ. 1. C 考查动词时态。由时间状语next week可知从句的时态为一般将来时,故答案为C项。
2. C 考查动词时态。由时间状语next Monday evening 可知应用一般将来时;there be结构的将来时为there will be或there is/are going to be。
3. B 考查动词时态。由答语的后半句“我想学生们将在家里通过因特网学习。”可知应该做否定回答。there be结构的一般将来时的否定回答为“No, there won't.”。故答案为B项。
4. B 考查介词辨析。句意:我听说我们的老师将在三周后回来。由主句的时态为一般将来时可知时间状语应该是“in+一段时间”。故选B。
5. A 考查疑问词辨析。由答语可知询问的是地点。故选A。
Ⅳ. 1. There will be 2. took the bus 3. How soon will 4. Where will 5. won't go
Ⅴ. 1-5 DABEF
U7 Section B (2a—2e)
Ⅰ. 根据句意及首字母或汉语提示完成单词
1. This kind of TV set is made in a f________ in Qingdao.
2. We mustn't play with fire. It's d________.
3. I like the s________ of the stone, but I don't like the color.
4. I ________(相信) that we can be good friends.
5. I am ________(已经) a middle-aged man.
Ⅱ. 用所给词的适当形式填空
1. I think it is difficult for him ________(work) out the problem in ten minutes.
2. My little brother ________(be) able to go to school this autumn.
3. The baby quickly got ________(bore) with staying at home.
4. Bill and I often ________(agree) with each other, but we are still good friends.
5. It's ________(possible) to remember all the names in a few minutes. It's too difficult.
Ⅲ. 单项选择
1. It is difficult for a student to do the same things ________ a teacher.
A. seem B. like
C. look like D. as
2. There are ________ of students in our school but only ________ of them are girls.
A. hundreds; two hundred
B. hundred; two hundreds
C. hundreds; two hundreds
D. hundred; two hundred
3. She finds ________ difficult to predict what will happen in the future.
A. it B. that
C. this D. its
4. ________ seems very hard to work out this problem.
A. That B. This
C. I D. It
5. Mum usually ________ at 6:30 in the morning.
A. wakes up me B. wakes me up
C. awakes up me D. awakes me up
Ⅳ. 完成句子
1. 人们现在正尽全力使机器人看起来像人。
People are now ________ ________ ________ ________ make robots ________ ________ humans.
2. 有成百上千只鸟在空中飞翔。
There are ________ ________ birds flying in the sky.
3. 他反复地看那本书。
He reads the book ________ ________ ________ ________.
4. 昨天李磊从自行车上摔了下来。
Li Lei ________ ________ from his bike yesterday.
5. 警犬能够帮助寻找建筑物下面的人。
Police dogs are ________ ________ help ________ ________ people under the buildings.
Ⅴ. 句型转换
1. My father will fly to Beijing next Sunday. (改为同义句)
My father will go ________ Beijing ________ ________ next Sunday.
2. He flew to Shanghai yesterday. (用in three days改写句子)
He ________ ________ to Shanghai in three days.
3. There will be a meeting tomorrow. (改为一般疑问句)
________ there ________ a meeting tomorrow?
4. I have less money than him. (改为同义句)
He ________ ________ money than me.
5. Anna seems to be happy. (改为同义句)
________ ________ that Anna is happy.
Ⅵ. 阅读理解
Mr. Green made a robot. He could say only one sentence “There is no doubt(疑问) about it. ” The robot always repeated the same words when you spoke to him.
One day Mr. Green needed lots of money and he took the robot to the market to sell him. “Who will buy my robot? He is very smart, ” he shouted. “Twenty thousand dollars for my robot! ”
A man was surprised that he was asking for so much money. Is it different? Instead of asking Mr. Green why he wanted so much money, he decided to speak to the robot.
“Are you worth(值) twenty thousand dollars? ” he asked the robot. “There is no doubt about it, ” answered the robot.
The man liked the robot's answer so much that he bought him and carried him home. But very soon he found that the robot could say nothing else. He was sorry he bought the robot. He stood in front of the robot and said, “How foolish(愚蠢的) I was to throw so much money away! ” “There is no doubt about it, ” said the robot.
1. How many words could the robot say?
A. Only one sentence.
B. One word.
C. Ten sentences.
D. Hundreds of sentences.
2. Why did Mr. Green sell the robot?
A. Because the robot was bad.
B. Because Mr. Green didn't like it.
C. Because Mr. Green needed much money.
D. Because the robot was old.
3. When the man heard Mr. Green's words, he thought ________.
A. the robot was unusual
B. Mr. Green needed lots of money
C. the robot was cheap
D. Mr. Green didn't want to sell the robot
4. The man was sorry that ________.
A. he met Mr. Green
B. he went to the market
C. he spoke to the robot
D. he bought the robot
5. At the end of the story, the man probably felt the robot was ________.
A. sorry for him
B. afraid of him
C. laughing at him
D. trying to surprise him
Ⅶ. 短文填空
从方框中选词或短语并用其适当形式填空,使短文完整、连贯。
look, many, hundred, over and over again, possibly, smart, talk, look like, problem, move
People began to make robots about a few __1__ years ago. In the past, some of the early ones __2__ like animals or humans. However, they couldn't __3__ and were pretty dumb. They worked like clocks and did the same things __4__. Now modern robots don't always __5__ people. Some are like big machines; others are nothing but long arms attached to boxy(箱子般四四方方的) bodies. However, modern robots are smart. Some can solve __6__ on their own. Their brains are computers and their eyes are sensors(传感器). Motors(发动机) help them __7__. In the future, robots will learn from their mistakes more than they do now. They will be __8__. It's __9__ that we will have robot shop assistant, robot household workers, and robot factory workers. Robots will help people to do __10__ things.
1. ________ 2. ________ 3. ________ 
4. ________ 5. ________ 6. ________ 
7. ________ 8. ________ 9. ________ 
10. ________
参考答案
Ⅰ. 1. factory 2. dangerous 3. shape 
4. believe 5. already
Ⅱ. 1. to work 2. will be 3. bored 
4. disagree 5. impossible
Ⅲ. 1. D 考查固定词组。the same as“和……一样”。
2. A 考查hundred的用法。hundred表示确定数目时, 要用单数形式, 且后面不跟of; 表示不确定数目时, 常用复数形式,且后跟介词of, 意为“数百的; 成百上千的”。故选A。
3. A 考查it用作形式宾语的用法。在“ find+it+adj.+to do sth” 中, it用作形式宾语, 真正的宾语是后面的动词不定式。
4. D 考查it作形式主语的用法。It在句中作形式主语,真正的主语是后面的动词不定式。
5. B 考查wake up的用法。wake up意为“叫醒,唤醒”,其中up为副词,接代词作宾语时,须放在两者之间;接名词作宾语时,放在up前后均可。故选B。
Ⅳ. 1. trying their best to; look like 2. hundreds of 3. over and over again 
4. fell down 5. able to; look for
Ⅴ. 1. to; by plane 2. will fly 3. Will; be 
4. has more 5. It seems
Ⅵ. 1. A 细节理解题。由第一段第二句“He could say only one sentence ‘There is no doubt about it.’ ”可知, 这个机器人只会说一句话。
2. C 细节理解题。由第二段第一句“One day Mr. Green needed lots of money and he took the robot to the market to sell him.” 可知, 格林先生卖机器人是因为他需要很多钱。
3. A 推理判断题。由第三段第一、二句可知, 这个人认为这个机器人不同寻常, 所以才卖得这么贵。
4. D 推理判断题。由最后一段中“How foolish I was to throw so much money away!”可知, 这个人买了这个机器人后感到很后悔。
5. C 推理判断题。由最后两句可以看出, 这个人感觉到机器人在嘲笑他。
Ⅶ. 1. hundred 2. looked 3. talk 4. over and over again 5. look like 6. problems 7. (to) move 
8. smarter 9. possible 10. more
U7 Section B (3a—Self Check)
Ⅰ. 根据句意及首字母或汉语提示完成单词
1. She learns ten English w________ every day.
2. We'll have a short h________ this week. I'll go fishing.
3. I want to buy two ________(字典). One is for me, and the other is for my sister.
4. They will ________(可能地) go there by train.
5. ________(在……期间) the month, I'll go there by bus.
Ⅱ. 用所给词的适当形式填空
1. Do you know the ________(mean) of the word?
2. It's ________(danger). You must be careful.
3. ________(hundred) of kids are playing on the playground.
4. Liu Mei was able to ________(swim) at the age of five.
5. The children will have ________(much) free time to relax themselves than before.
Ⅲ. 单项选择
1. ________ a student, you should follow school rules.
A. As B. Like
C. For D. At
2. —Do you know where John went, Sally?
—I think he ________ went skating with his sister.
A. will B. probably
C. is to D. can
3. Jim wants to be a pilot because he wants to ________ the sky.
A. fly up B. fly up at
C. fly up with D. fly up into
4. All the students like Miss Wang very much because she often makes them ________.
A. laughed B. laugh
C. to laugh D. laughing
5. —What do you think your life will ________ next year?
—My life will be ________ better than it is now.
A. be like; very B. be; a lot
C. become; too D. be like; a lot
Ⅳ. 句型转换
1. I'm living in Shandong now. (用in three years改写句子)
I ________ ________ in Shandong ________ ________ ________.
2. They will arrive here in_a_week. (对画线部分提问)
________ ________ ________ they arrive here?
3. There will be more pollution in the future. (改为一般疑问句)
________ there ________ more pollution in the future?
4. Jim believes that robots will be able to do the same things as us. (改为否定句)
Jim ________ believe that robots ________ ________ able to do the same things as us.
5. I think Molly will be a_doctor in five years. (对画线部分提问)
________ ________ you think Molly ________ ________ in five years?
Ⅴ. 补全对话
从方框中选择最佳选项完成对话。
A. Do you think there will be schools in ten years?
B. No, you'll have to live on the space station, too.
C. I don't think there will be any homes.
D. Do you really think everybody will live there?
E. and every home will have one.
A: Hi, Mary. I watched a TV show just now about the future. __1__
B: Yes, I think so. There will be more computers than books.
A: I think there will be fewer books, too. Computers will be cheaper, __2__
B: I don't think homes will have computers. __3__ We will live on space stations.
A: __4__ I don't want to. Could I live here?
B: __5__ But they'll be better than houses. They'll be bigger and cleaner.
1. ________ 2. ________ 3. ________ 
4. ________ 5. ________
Ⅵ. 短文填空
阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的适当形式(每空不多于3个单词)。
There are robots all around us. They are very helpful. Some do very __1__(difficulty) work like flying a plane or __2__(drive) subway trains. And some do simple work. People put the program into the robots to tell them what __3__(do). Robots are like humans in two __4__(way): they work and they have feedback(反馈). They are very important in __5__(factory). They can do a lot of work that people can't do.
In our daily life, robots are __6__(use), too. People used to hope that robots could help them with their housework. It has __7__ come true. Usually we think robots look like __8__, but in fact, most of the time, they're just look like machines.
In the future, robots will be smarter. It's __9__(impossible) that we will have robot judges(法官) and robots will help people to do __10__ things.
1. ________ 2. ________ 3. ________ 
4. ________ 5. ________ 6. ________ 
7. ________ 8. ________ 9. ________ 
10. ________

参考答案
Ⅰ. 1. words 2. holiday 3. dictionaries  4. probably 5. During
Ⅱ. 1. meaning 2. dangerous 3. Hundreds  4. swim 5. more
Ⅲ. 1. A 考查介词的用法。句意:作为一名学生,你应该遵守校规。as“作为”。故选A。
2. B 考查词语辨析。probably“可能地”符合语境,故选B。
3. D 考查固定短语。fly up into sky“飞上天空”,为固定短语。
4. B 考查非谓语动词。make sb. do sth.“让某人做某事”。
5. D 考查动词时态和比较级的修饰词。由next year可知时态为一般将来时;a lot可以修饰比较级。故选D。
Ⅳ. 1. will live; in three years 2. How soon will 3. Will; be 4. doesn't; will be 5. What do; will be
Ⅴ. 1—5 AECDB
Ⅵ. 1. difficult 2. driving 3. to do 4. ways 5. factories 6. useful 7. already 8. humans 9. possible 10. more