Height is just one of the thousands of features your genes decide. In fact, because you have two parents, your genes provide you a height that usually lands somewhere between the height of each parent. If both your parents are tall, then most probably you will be tall, too, but if you have questions about how tall you're going to be, ask your doctor if he or she can help you find it out.

But genes don't decide everything. For example, eating an unhealthy diet can keep you from growing to your full potential(潜力). Getting plenty of sleep and enough exercise will help you grow to the expected height.

No doubt you're wondering how fast you should grow. It depends. There's no perfect or right answer. Generally speaking, kids grow about 2 inches (6 centimeters) a year between age 3 and the time when they start puberty (when your body starts changing and becoming more grown up).

Your doctor will know how your growth has been going over the years. Two centimeters here and 2 inches there are not nearly as important as the height you're at now, how you've been growing up to this point, and what other changes your body may be going through.

Don't be scared if you seem to have grown a lot in a very short time. Everyone has a growth spurt（高峰）during puberty. The age for starting puberty is about 10 for girls and about 11 for boys. But it can be earlier or later ----between 7 and 13 for girls and 9 and 15 for boys.

You'll usually begin to notice that you're growing faster about a year or so after your body starts to show the first changes of puberty. 

1.. The Chinese for the word “puberty” is 　　　　　　　　　.

   A. 童年时期          B.婴幼儿时期        C.习惯养成期        D. 生长发育期

2. If you want to know how fast and how tall you should grow, _____.

   A. you should have enough exercise   B. you can ask doctors for help

   C. you should save the environment   D. You can record your growth during puberty

3. This passage is mainly about 　　　　　　　　　.

   A. how the genes work in your body           B. when is the time you grow fast

   C. why you look like your parents                D. how you grow to a certain height 

4. After reading this passage, we can explain 　　　　　　　　　.

   A. how good it is to be a doctor             B. how much sleep time we need

   C. why genes can’t decide everything            D. what healthy diet is

5. Which is NOT mentioned in the passage?

   A. Your height most probably depends on how high your parents are.

   B. Girls’ age for starting puberty is usually earlier than that for boys’.

   C. The time showing the first changes of puberty is never noticed.

   D. You may be scared sometimes when you grow too fast.

 

 

根据句意，用括号中所给单词的适当形式填空

1.1. ---What _____ you ____(do) this Monday?

　　　 ---There ______ (be) a football match. ______ you _____(go) with us?

2. I _________________(go) to see you as soon as I get to Beijing.

3. I think it ___________________ (be) rainy tomorrow.

4. My father ______________________(send) me a new bike when I am tall enough.

5. We ______________________ (visit) the Great Wall next week.

6. Who __________(give) us a talk on the computer in two days?

7. They _________ (build) a new modern house near the river next year.

8. I want to know if he ________ (be) back tomorrow.

 

-- Who's singing in the next room?　　

--- It ____ be her . She went to New York yesterday evening

　　   A. can't           B. must          C. shouldn't         D. can

 

Dear Annie,

I have never written a letter to a newspaper before, I have just never felt the need to do such a thing. I have always felt I was quite able to do everything by myself. But now I know I was wrong.

Sometimes you really need help in life, I guess. And that’s why I’m writing this letter to you.

I have a happy family. I love my children and they love me . I’m a mother of three children. I know well how to bring up (带大)children, and two of them are already over twenty, so it is nothing new for me.

But now I have a serious problem:the Internet problem. My little son is just sixteen, and I feel he should do a lot of homework now , but he doesn’t seem to be interested in it . He can happily spend six or eight hours at a time on the Tnternet every day , He chats with pelple that he has never met before , but speaks little to us .He does lots of useless things on the Internet. And he sees red if you ask him to do his homework.

I just want him to be a good student . Now he seldomdoes his lessons at home. I’m afraid he will drop behind in his class soon. His father is a doctor , a very kind man . He never seems to be afraid of his father.

What can I do ?And don’t tell to talk to him. We’ve tried that and it didn’t work. But this is really a big problem in our family. I have tried everything I can think of . I

wonder how the Internet is so attractive(有吸引力的).You’re my last hope. Please tell me what I can do!

Yours,

Ellen Smith

 

(   ) 1. Mrs Snith wrote to Annie because　　　　　　　.

     A. she often asked others for help

     B. she thought she was a great mother

     C. she didn’t know how to stop his son surfing the Internet

     D. she didn’t know how the Internet was so attractive

(   ) 2.What might NOT Mrs Smith’s son do on the Internet?                        

     A. Send e-mails to his friends         B. Prepare for his lessons

     C. Chat with strange people           D.Read the news

(   ) 3. What does the phrase “he sees red”mean in this passage?                   

     A. He feels sorry                    B.He feels happy

     C. He becomes frightened             D. He becomes angry

(   ) 4. What do you think of Mr.Smith?                   

     A. An irresponsible(不负责任的)father who nerver taught his son

     B. A very excellent doctor who was busy with his work and had no time to teach

his son

     C. A very kind man who loved his son

     D.A man who always made his son be afraid of him but failed

 

 

　　Expert(专家)say that students usually need eight to ten hours’ sleep at night, but most Chinese students do not get enough sleep. Some Chinese parents are usually glad to see their children studying late. They will think their children work very hard, but not all parents are happy about this. Once a mother told us that every morning her 10-year-old boy put up one finger(手指)with his eyes still closed, begging(请求)for one more minute to sleep. Like thousands of students “early birds” in China, he has to get up before six every morning.

　　 A report shows that without a good night’s sleep, students seem to be weaker(虚弱)than they should be. Many students have fallen asleep(睡觉) during class at one time or another. Too much homework is not the only reason why students stay up late. Some watch TV or play the computer games late into the night.

　　 Experts have ever said that the students should develop good study habits. So some clever students never study late, they are able to work well in class.

1.The 10-year-old boy begged for more minute to sleep because__________.

A. he didn’t have enough sleep 　　　

B. it wasn’t time for him to get up

C. he didn’t want to go to school　

D. he wanted his mother to wake him up

2.In this passage we know if students don’t get enough sleep, they may________.

A. become too weak to sleep　　　　 B. not work well in class

C. go to bed early　　　　　　　　　D. be weak in English

3.In this passage “early birds” means “persons who ______________.”

A. get up early　B. get up late

C. sleepless D. don’t want to sleep

4.“Stay up late” here means “_____________.”

A. study late　B. watch TV late　

C. not go to bed until late　D. stay outside

5.According to the passage, which of the following is right? _________.

A. If you want to study better, you must work hard at night.

B. Sleeping less means working hard.

C. Some clever students are able to work well in class because they have good study habits.

D. Students don’t have enough sleep because they have lots of homework to do.