1 . In a time when a dangerous number of people are overweight, many people seem to have forgotten the most important way to keep healthy and slim---exercise. And as a new study carried out on mice in the lab has shown, exercise done early in life can reward you in your adult years.
A team of researchers at the University of California studied the effects of early exercise on adult physical activity, body mass and eating. They found that early-age exercise in mice has positive effects on adult levels of voluntary exercise in addition to reducing body mass.
“These results may have an effect on the importance of regular physical education in elementary and middle schools,” said Theodore Garland, a professor of biology, who led the research project. “If kids exercise regularly through their school years, then they may be more likely to exercise as adults, which could have far-reaching positive effects on human health and well-being.”
Although the positive effects of early-life exercise lasted for only one week, it is important to note that one week in the life of a mouse is the same as about nine months for humans. “Our results suggest that any positive effects of early-life exercise on adult exercise will need to be kept up if they are to be long-lasting.”
His team of researchers found, too, that all mice that had access to early exercise were lighter in weight than non-exercised mice.
Garland explained that, in general, exercise will stimulate appetite sooner or later. However, it is possible that certain types of exercise, done for certain periods of time or at certain light levels, might not stimulate appetite much, if at all, at least in some individuals.
“If we could understand what sorts of exercise these might be, then we might be able to tailor exercise recommendations in a way that would bring the benefits of exercise without increase in appetite, leading to a better chance of weight loss,” he said.
1. How long do the positive effects of early-life exercise last for a mouse?

A．One day	B．One week
C．One month	D．Nine months

2. Which of the following statements is TRUE according to the article?

A．More study is needed to better understand the effects of different types of exercise.

B．Early-life exercise has life-long positive effects on people

C．Kids should be encouraged to do exercise as early as possible to ensure physical health.

D．The new study on mice mainly focused on how exercise affects appetite.

3. The underlined word “stimulate” in the last but one paragraph is closest in meaning to _______.

A．decline

B．improve

C．vary

D．harm

4. What is the article mainly about?

A．New ways to fight against being overweight.

B．The positive effects of mice.

C．The possible risks of doing exercise.

D．The positive effects of early- life exercise.

2 . 假如你是李华，你的笔友 Jane 最近总是感觉身体不适，因此写信向你询问如何保 持身体健康，请你根据以下要点提示用英文给他回一封信。
要点提示:
1.合理饮食，避免吃脂肪高及含糖多的食物，多吃新鲜蔬菜和水果；
2.锻炼身体，合理锻炼有助身体健康；
3.保证充足睡眠，不要熬夜；
4.你的其他建议……
词数:100 左右(信的开头和结尾已给出，但不计入总数)。
Dear Jane，
I’m glad to receive your letter. But at the same time, I’m sorry to hear that you are not very well these days.
_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours sincerely，

Li Hua

3 . If you asked high school girls to name their favorite sports, most would probably say basketball or volleyball. I happen to be one of the few girls who would _______: surfing (冲浪运动). But isn’t that a boy thing? Some people _______. Most certainly not.
I started surfing about five years ago and_______in love with the sport on the very first day. Riding that first _______ was the best feeling I had ever experienced.
When I try to _______ surfing with other things, I find it very difficult because, in my _______, there’s nothing like it. It involves (牵涉到) body, _______, and soul. There’s sand between my toes and cool, salt water all _______ us. The feeling I get when I’m surfing across that _______, becoming one with the________, is like I’m weightless.
The one thing I can ________ from surfing and not any other sport is endless challenge(挑战). You can never be the “best surfer” because the ocean ________ an uncountable variety of waves that nobody can ever master. The variations of surfing styles are wonderful. Some surfers are free and flowing; others are very aggressive(活跃有力的) and ________. All of these things attract me to surfing and make it ________ from any other sport.
I’ve ________ to tell every girl I know to do something that people don’t think girls can do. It’s part of being human to advance to new ________, so shouldn’t it be expected that girls should step up and start ________ the limits(极限) of things boys and men used to dominate(主宰)?
There’re women ________ side by side with the President of our country, so why not side by side with the boys ________ the football team or out in the water surfing? Give girls a chance to ________, and they will.1.

A．tell

B．answer

C．give

D．realize

2.

A．wonder

B．understand

C．reply

D．believe

3.

A．stayed

B．came

C．dropped

D．fell

4.

A．wave

B．storm

C．sail

D．boat

5.

A．bring

B．connect

C．compare

D．tie

6.

A．work

B．study

C．holiday

D．life

7.

A．mind

B．effort

C．health

D．time

8.

A．along

B．above

C．around

D．by

9.

A．beach

B．water

C．board

D．lake

10.

A．sky

B．world

C．earth

D．ocean

11.

A．take

B．get

C．make

D．keep

12.

A．catches

B．includes

C．offers

D．collects

13.

A．sharp

B．great

C．hard

D．calm

14.

A．known

B．right

C．far

D．different

15.

A．chosen

B．tried

C．learned

D．promised

16.

A．levels

B．points

C．steps

D．parts

17.

A．reaching

B．accepting

C．pushing

D．setting

18.

A．sitting

B．walking

C．fighting

D．working

19.

A．of

B．from

C．on

D．with

20.

A．think

B．succeed

C．perform

D．feel

4 . Swimming, cycling, jogging, skiing, dancing, walking or any of dozens of other activities can help your heart.    1     Whether it is a structured exercise program or just part of your daily routine, all exercise adds up to having a healthier heart. Here are some tips for exercise success.

●Choose activities that are fun and add variety. Develop several activities that you can enjoy.    2    

●Wear comfortable, properly fitted shoes and comfortable, loose-fitting clothing appropriate for the weather and the activity.

●Find a convenient time and place to do activities.    3     If you miss an exercise opportunity, work activity into your day another way.

●Use music to keep yourself entertained.

●    4     Decide what kind of support you need. Do you want them to remind you to exercise? Exercise with you regularly or occasionally? Be understanding when you get up early to exercise? Spend time with the children while you exercise? Try not to ask you to change your exercise routine? Share your activity time with others. Ask your family members, friends or co-workers for help.

●Don’t overdo it, especially at first. You can slowly increase the time and intensity (强度) of your activities as you become more fit.    5    

●Keep a record of your activities. Reward yourself at times. Nothing will inspire you more than success!

A．Try to make it a habit, but be flexible.

B．They all cause you to feel warm and breathe heavily without being out of breath.

C．Be an active role model for your children.

D．That way, exercise will never seem boring.

E．If you are overweight or have a high risk of heart disease, see your doctor for medical advice before exercising.

F．Surround yourself with supportive people.

G．Gradually, work up to exercising on most days of the week for 30-60 minutes.