Units1-4提优卷
一 单词运用。
1. It’s a_______ (直接的) result of your careless action. You should be more careful nest time.
2. .The government hopes to improve the living ___________(状况) of the farmers.
3. She’s ____________ (意识到) she is wrong at this matter, so she feels very sorry.
4. The new Chinese cartoon called Where is the Dragon will be on in _________ (几个)days.
5. Take a look at the bread. I think it has been bitten. I guess there are ________ (mouse) in the kitchen.
6. Many people enjoy visiting places of _______________ (nature) beauty.
7.____________ (pollute) here is more serious than that in Beijing. We see rubbish everywhere.
8. Are husbands willing to share their_____________(wife) housework now
二、动词填空。
1 There _______(be) a TV programme called“Super Brain” this Saturday on JSTV, isn’t there
2 What a nice time they had ________(swim) in the lake yesterday!
3.Nobody but the twins __________ (have) a computer for a long time.
4. ______________(communicate) by QQ is easy and fast.
5. ---No smoking here. Can't you see the sign ---Sorry, I ___________ (not see) it.
6.Many people are against ______________ (smoke) in public places.
三、完成句子。
1. 这对夫妇结婚已有50 年了,至今仍相亲相爱。
The couple _________________________ fifty years and they still love each other very much.
2. 顺便问一下,乘飞机去加拿大要多长时间?By the way, ________________________________ Canada
3. Tom去香港出差五天了。Tom ______________________________ Hong Kong for five days.
4探讨如何寻求出国留学方面的建议是今天会议的目的所在。
__________________________________________________is the purpose of today’s meeting.
5. 为什么自几年前以来他就从未离开过家乡?
Why hasn’t he __________________________________________________________________
四、选择题
1. It’s dangerous to climb mountains ______ cold and snowy days.
A. on B. in C. at D. /
2. I called my uncle before I _________ Beijing, so he would come to pick me up when I arrived.
A. has left to B. left to C. left for D. has left for
3. Look! __________ high speed the roller coaster is __________.
A. How; moving B. What; moving C. How; moving at D. What; moving at
4 He hasn’t got a letter from his uncle _________.
A. for three months ago B. since three months
C. since last Sunday ago D. for three months
5. Now mobile phones are not so expensive as they _______ to be.
A. use B. used C. are used D. were used
6. The house is made ______ bamboo and it is made _______ six rooms.
A. up; of B. from; up of C. of; up of D. from; of
7.--- Where ______ you _____ --- I went to see the football match.
A. have; been B. have; gone C. are; going D. will; go
8. — How long ________ you _______ the bad cold —Since last week.
A. do; catch B. have; had C. have; caught D. did; catch
9. ---Someone is knocking at the door. Who may it be ---It ______ be Tom. He is still at school.
A. can’t B. mustn’t C. couldn’t D. may not
10 ----When _____ he _____ home ----Sorry, I’m not sure. I only find he has stayed at home for two days.
A. will; return back B. has; returned C. did; return D. does; return back
五、七选五
Your brain controls everything you do. It makes it possible for you to think, learn, create and feel; to blink (眨眼) and breathe and for your heart to beat—this fantastic control center is your brain. _1__
Can this small grey organ (器官), which weighs less than one and a half kilos, really do so much Amazingly, your brain contains about 100 billion neurons (神经元)—it would take you over 3, 000 years to count them all. __2__ Your neurons create and send more messages than all the phones in the world. And although one neuron creates only a little electricity, all your neurons together can produce enough electricity to power a light bulb (灯泡).
So exactly how fast does your brain work _3__ Neurons in your skin send this information to your brain at a speed of more than 240 kilometers per hour. Your brain then uses other neurons to send the message back to your foot to shake the bee off quickly. __4_ No computer has your brain’s unbelievable ability to deal with the amount of information coming from your eyes, ears and other sensory organs.
But how does your brain allow you to learn things that you will use in the future The structure (结构) of your brain changes every time you have a new thought, remember or learn something. ___5__ How As you practice, your brain sends “bike riding” messages again and again. Soon, the actions are learnt and you are able to ride a bike easily from then on.
A. Well, imagine this: a bee lands on your foot.
B. Therefore, it is not surprising to see that somebody with average intelligence (智力) can have excellent performances in some fields.
C. Believe it or not, the activity in your brain never stops.
D. It is so amazing that a famous scientist once called it “the most complex (复杂) thing we have yet discovered in our universe”.
E. The brain is the boss of the body.
F. These neurons can send this information at more than 320 kilometers per hour.
G. For example, riding a bike seems impossible at first, but soon you are able to do it.