If you are like most people ,your intelligence (智力) changes with the seasons ,You are probably a lot sharper in the spring than you are at any other time of year . A famous scientist ,Ellsworth Huntington (1876—1947),concluded (总结) from other men’s work and his own among people in different climates that climate and temperature have an effect (作用) on your mental abilities (智力).

He found that cool weather is much more favorable for creative (激活) thinking than summer heat .This does not mean that all people are less intelligent in the summer than they are during the rest of the year. It does mean, however , that the mental abilities of large numbers of people tend to be lowest in the summer .

Spring appears to be the best period of the year for thinking One reason may be that in the spring man’s mental abilities are affected(受影响)by the same factors (因素) that bring about great changes in nature .

Fall is the next-best season ,then winter .As for summer ,it seems to be a good time to take a long vacation from thinking .

1. Ellsworth Huntington decided that climate and temperature have ______

A. a great effect on everyone’s intelligence

B. some effect on most persons’ intelligence

C. some effect on a few persons’ intelligence

D. no effect on most persons’ intelligence

2.Why is spring the best season for thinking ? Because _______________.

A. all nature ,including man ,is growing then

B. it lasts longer than the other seasons

C. it is not too warm and not too cold

D. both B and C

3.The two best seasons for thinking seem to be _____________.

A. spring and fall B. winter and summer

C. summer and spring D. fall and winter

4.According to the passage, any vacation from thinking should be taken_____________ .

A. several times throughout the year B. during the winter

C. during the summer D. as seldom as possible

5. The main idea of this passage is that ____________.

A. most people’s intelligence changes with seasons

B. seasons are the reason of the changing intelligence

C. spring is the best season for thinking

D. summer is the best season for taking a long vacation

完形填空(15分)

It’s natural that young people are often uncomfortable when they’re with their parents. They say that their parents don’t them. They often think that their parents are out of touch with modern ways; that they’re strict ______their children; and they give their children a free hand. It’s true that parents often find it to get on well with their children. In fact, they seem to forget they themselves felt when they were young. For example, young people like to act on the spot (当场) without thinking. It’s one of their ways to show that they’re grown up and they can any difficulties. Old people worry____. Most of them plan things ahead, ____ in the back of their minds, and don’t like their to be broken(打断) by something unexpected. Young people often their parents angry at their choices in clothes, in hobbies and in music. But they don’t ____ to cause any trouble. They just don’t want to be like anyone . For many years, you will be completely under your parents’ ____. If you plan to control your life, you’d better win your parents and try to get them to understand you. If your parents see that you have a high sense of responsibility(责任感), they will certainly believe you, and you can do you want to do. Maybe this is the best way for the young to be happy with their parents.

1.A. lie B. understand C. look after D. love

2.A. in B. with C. to D. for

3.A. always B. seldom C. often D. usually

4.A. easy B. possible C. interesting D. difficult

5.A. how B. what C. who D. where

6.A. a little B. many C. a bit D. much

7.A. deal B. face C. do D. have

8.A. sadly B. more easily C. hardly D. really

9.A. at most B. at least C. at last D. at first

10.A. health B. plans C. ways D. work

11.A. cause B. let C. think D. keep

12.A. mean B. decide C. plan D. need

13.A. important B. famous C. else D. funny

14.A. control B. pay C. look D. worry

15.A. all B. which C. that D. what

Are you carrying too much on your back at school? I'm sure lots of children of your age will, say "Yes". Not only the students in China have this problem, but children in the United States also have heavy school bags.

Doctors are starting to worry that younger and younger students are having back and neck problems as a result of schools bags being too heavy for them.

"It's hard for me to go upstairs with my bag because it's so heavy, "said Rick Hammond, an 11-year-old student in the US.

Rick is among students who have common school bags with two straps(带子) to carry them, but many other students choose rolling(有滚轮的)bags.

But even with rolling bags, getting up stairs and buses is still a problem for children. Many of them have hurt their backs and necks because of the heavy school bags.

But how much is too much? Doctors say students should carry no more than 10% to 15% of their own body weight.

Scott Bautch, a back doctor, said children under Grade 4 should stay with 10 % . But it is also important that older children don't stay with over 15 %, because their bodies are still growing. "Children are losing their balance and falling down with their school bags, "he said.

Parents and teachers are starting to tell children to only take home library books they will be reading that night. Some teachers are using pieces of paper or thin workbooks for students to take home.

One of the best answers is, as some children said, to have no homework at all!

1. From the passage we can know that ___________.

A. only children in China carry too heavy school bags

B. children in other countries don't carry too heavy bags

C. both children in China and the US carry too heavy school bags

D. only children in the US carry too heavy school bags

2. Children feel it hard for them to go upstairs because___________.

A. they are too young

B. their school bags are too heavy

C. they don't know how to go upstairs

D. their parents don't always go upstairs with them together

3.If a child carries a heavy school bag, ________________. .

A. his back and neck will be hurt

B. his head and arms will be hurt

C. his hands will be hurt

D. his feet will be hurt

4.According to the doctor, Scott Bautc, if a child in Grade 5 weighs about 30 kilos, the school bag he carries should not be over ___________.

A. 5 kilos B. 3 kilos

C. 5. 5 kilos D. 4. 5 kilos

5. Some students think the best answer to his problems is that _________________.

A. they should have a little homework to do after they get home

B. their teachers had better not ask them to do any homework

C. they should only take home library books they will read that night

D. they should use thin workbooks instead of thick ones

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