Unit 12 Section B 2a-2e
单项选择
(　　)1.—We have to ________ our trips because of the outbreak of the serious illness.
—Yes. It's safer to just stay at home these days.
A．cancel B．kick C．overcome D．disappear
(　　)2.When Jenny practices speaking Chinese, she often ends up ________ English because she is afraid of making mistakes in grammar.
A．speaking B．speak C．to speak D．spoken
(　　)3. I don't think the story Tom told us just now is ________. We'd better not trust it.
A．valuable B．available C．enjoyable D．believable
(　　)4.—The Chinese scientist Tu Youyou won the 2015 Nobel Prize.
—Her ________ has saved millions of lives across the world.
A．victory B．story C．discovery D．industry
(　　)5. These books ________ well, and they will ________ soon.
A．sell; sell out B．are sold; sell out C．sell; be sold out D．are sold; sold out
二、用所给单词的适当形式填空
6. He is such a (fool) man. He often makes the same mistake again and again.
7. The situation was so (embarrass). I really wanted to leave the house.
8. Scientists have made many important (discover).
9. The plane seemed to (appear) suddenly. Nobody could find it.
10. What he said seemed quite (believe) and all of his friends believed him.
三、完成句子。
11.当我到集市的时候，我的爸爸已经卖光了所有的蔬菜。
By the time I got to the market,my father _____ already _____ _____ all the vegetables.
12.我们打算出去，但是最终在家看英语录像片。
We were going out,but _______ ____ watching English-language videos at home.
去年我的故乡发生了很大的变化。
Great changes ______ ______ in my hometown last year.
这个小男孩想要尽可能多的礼物。
The little boy wants _____ _____ _______ ____ possible.
15.在电影的结尾,这个年轻人和他的女朋友结婚了。
At the end of the movie, the young man and his girlfriend 　　　　 　　 　.
四、完形填空
I think April Fool's Day is a very unusual holiday. On April Fool's Day, you have to watch out for practical 　16　. You cannot trust everything you　17　 on April 1st, either. Even some main newspapers will put fake(假的) articles into their papers to fool people. I heard a story: 　18　 April Fool's Day, a London newspaper printed an article about how aliens landed in England. This 　19　 many people to panic(恐慌) and the local police were not very　20　 the newspaper.
It can be　21　 sometimes to play tricks, but you have to be careful not to go too far. On April Fool's Day, I called my mother from the university I attended. I told her that I was failing all of my classes and because of this, I wasn't able to　22　. She was so upset that she started to cry. I felt really bad about making her sad and tried to tell her it was just a joke. 　23　 I told her it was only an April Fool's Day's joke, she got　24　 angry with me that she hung up the phone. I had to call her back and apologize before she would talk to me again.
April Fool's Day's jokes can be funny but you should be careful not to hurt people's feelings by embarrassing them 　25　. Before you act, you should always make sure to put yourself in someone else's shoes and think about how they might feel.
(　　)16.A.joke B.jokes C.a joke D.to joke
(　　)17.A.hear B.listen C.listen to D.listened
(　　)18.A.On B.In C.For D.Of
(　　)19.A. caused B.helped C.asked D.guided
(　　)20.A.interested in B.fond of C.afraid of D.pleased with
(　　)21.A.boring B.fun C.healthy D.stupid
(　　)22.A.read B.return C.graduate D.dance
(　　)23.A.After B.Because C.Since D.If
(　　)24.A.so B.such C.such a D.so a
(　　)25.A.too little B.a few C.a little D.too much
五、阅读理解
“Broom(扫帚) challenge” has become a hot topic on the Internet recently. The challenge is to make a broom stand on its own without any support. Many people shared videos and photos of brooms standing. Even some famous stars, such as Canelo Alvarez, Jason Derulo, Tory Lanez and DJ Khaled took part in the challenge.
People in the challenge said that according to the National Aeronautics and Space Administration(NASA)(美国国家航空航天局), the earth's rotation(旋转) would be “in perfect balance” on February 10 and it would be possible for a broom to balance standing up.
In fact, brooms standing on a special day is just a hoax. We can't find anything from NASA to support the challenge. But as with many things on the Internet, people ran with it. But the truth is, you can make a broom stand up today and tomorrow and the day after tomorrow and the day after that. It has nothing to do with the earth's gravitational pull(引力) on a certain day. It also has nothing to do with the vernal equinox(春分) (another day of the year when this “magic” supposedly happens).
NASA astronaut Alvin Drew and scientist Sarah Noble replied to the challenge, saying that this is a basic physics problem and will work every day of the year, not just on February 10. Brooms can stand up on their own if balanced properly on the bristles(刷毛).
(　　)26.What does the first paragraph mainly tell us
Broom challenge is just an interesting trick.
B.Many people are interested in broom challenge.
C.The reason that a broom can stand on its own.
D.How to make a broom stand on its own.
(　　)27.What did people think made the broom stand at first
A.A certain mysterious force in nature. B.The perfect balance made by the earth's rotation.
C.The weight of the broom. D.The gravitational pull of other planets near the earth.
(　　)28.When can we make a broom stand
A.On February 10. B.On the vernal equinox.
C.On any day. D.On NASA's workdays.
(　　)29.In fact, what does brooms standing have to do with
A.The earth's rotation. B.The earth's weight.
C.The balance. D.The types of brooms.
(　　)30.What does the passage want to tell us
A.NASA's new discovery about balance. B.A hoax about brooms standing on their own.
C.Ways to make a broom stand on its own. D.A famous story that is from NASA.
六、七选五
You arrive at the mall anxious to buy your favorite CD or the coolest computer game. Nothing will stop you, not even the price—even if you don't have enough money, Mom or Dad will use a credit card(信用卡) to pay. But wait! Is using a credit card really that simple There are some things you should know about using credit cards before you go shopping.
31．________ Credit card companies lend you money, which you are expected to pay back. They don't lend you money just to be nice, however. In fact, they make billions of dollars this way.
You spend 45 dollars buying a pair of jeans on a credit card, then about a month later, the credit card company sends you a bill for 45 dollars. 32.________ But what if you can't pay the whole bill Usually, you are allowed to pay part of it. Let's say you pay $10 the first month. Now the credit card company begins to get money from you. They charge extra money, called interest(利息), on whatever part of the money you didn't pay.
Now the $35 you still have on your bill begins to grow. Even if you don't buy anything more, by the time you get your bill the following month, you will owe(欠) more than $35. And every day, interest keeps adding up. 33.________
But the good news is that a credit card is convenient. 34.________ Besides, the credit card companies also offer extra services. For example, if something you bought online with your card stops working in a short time, the company may give your money back.
35．________ They spend more money than they can afford to pay back. Knowing how to use credit cards wisely will be necessary and help you to be a smart shopper.
A．It is sometimes the only way to pay when you shop over the Internet. B．You'd better borrow money from friends instead of using a credit card. C．Using a credit card is a way of borrowing money to buy things. D．Some people get themselves in trouble with credit cards. E．If you pay the whole 45 dollars back right away, it won't cost you anything. F．So actually those jeans will end up costing you more than $45. G．I always believe money is not everything.
31._________ 32._________ 33._________ 34._________ 35._________
Unit 12 Section B 2a-2e学案 (知识精讲+分层作业)参考答案
一、单项选择
1-5 AADCC
二、用所给单词的适当形式填空
6.foolish　7.embarrassing　8.discoveries 9.disappear　10.believable
三、完成句子
11.had;sold out　12.ended up 13．took place　14.as many presents as 15．got married
完形填空
16-20BAAAD 21-25BCAAD
阅读理解
26-30 BBCCB
七选五
31-35CEFAD

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