_______ it rain tomorrow, we would stay at home.

As I understand, if scientists produced a human clone, there would be a great risk of it having a disease. Nobody seems to understand the ageing process of a clone. It would be terrible if a baby was the age of its parent at     31   . Its cells would grow old fast and it would die young.    32    until the technique is perfectly safe, it should be     33   .

I'd love to have a clone of     34   . I often wish I had a twin sister, someone who    35   me in everything. So why not a clone? Well, the idea    36   be fun but I'm not sure if it would be     37   . I think we would be playing with fire if we let scientists go ahead with     38   cloning. There are so many     39   

involved that all research in this area should be strictly controlled.

There are so many arguments     40    cloning that it is difficult to get anyone to consider the possible benefits. I am     41    that it is a technique which could be beneficial. The most obvious use would be for childless     42   . They would be able to have babies with their own genetic material. I don't see what's wrong with that.

Imagine a child     43    up knowing that his or her mother is really a sister or a brother. The emotional     44    on the child would be     45   . Or a child who was cloned from a dead brother or sister. What kind of emotional pressure would they feel, knowing they were made as a replacement for another? The whole idea

    46    me!

It's all very good to ban human cloning but scientists should be allowed to   47   

research. If they don't, we may     48    important benefits for our society, such as producing body organs. A clone is an     49    copy of a person with the same gene. Therefore, it is the     50    donor for an organ(器官) transplant.

Health is the most important thing in the world. Nothing is more important than health. If we take away our money, houses, or even our clothes, we can still survive.___1.__    That is why we always try to eat in a healthy way and exercise regularly.

How can we keep healthy? In order to eat healthily, I usually avoid eating food high in fat, like French fries or cookies, which are junk food .2._ I eat a lot of vegetables and fresh fruit which are full of vitamins.

3._ Taking exercise every day helps us build a strong body. Regular exercise is an important part of keeping me healthy.

What’s more, I think friends are an important part of one’s health. _4._I always feel better when I am with friends than I am alone. When I am with friends, I always laugh .Laughing is also an important part of health. It's good to stay with my friends.

By eating properly and exercising regularly, I can keep my mind as well as my body happy. These things sound easy to do, but not many people can manage them. ___5._

A．On the other hand , doing exercise is very important

B．There are some people who like staying alone, but they keep healthy.

C．Many students show that people with a wide range of social contacts don’t get sick

D．But if our health was taken away , it is certain that we would surely die

E. I only eat little meat

F. I think a strong will is necessary if want to keep healthy

G. Some people appear fat because they often eat too much

1 

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项

Health is the most important thing in the world. Nothing is more important than health. If we take away our money, houses, cars or even our clothes, we can still survive.   71   That is why we always try to eat in a healthy way and exercise regularly.

How can we keep healthy？In order to eat healthily, I usually avoid eating food high in fat, like French fries or cookies, which are junk foods.   72   I eat a lot of vegetables and fresh fruit which are full of vitamins.

   73   Taking exercise every day helps us build a strong body. Regular exercise is an important part of keeping me healthy.

What’s more, I think friends are an important part of one’s health.   74   I always feel better when I am with friends than when I am alone. When I am with my friends, I always laugh. Laughing is also an important part of health. It is good to stay with my friends.

By eating properly and exercising regularly, I can keep my body at a proper weight and keep healthy. By spending time with my friends, I can keep my mind as well as my body happy. These things sound easy to do, but not many people can manage them.    75  

A．On the other hand, doing exercise is very important．

B．There are some people who like staying alone, but they keep healthy．

C．Many studies show that people with a range of social contacts don’t get sick．

D．But if our health was taken away, it is certain that we would surely die．

E．I only eat little meat．

F．I think a strong will is necessary if we want to keep healthy．

G．Some people appear fat because they often eat too much．

Mea and vegetables are measured in grams and kilograms . Milk and other liquid foods are measured in liters or milliliters , These units only measure quantity : they do not measure the value of the food to the body . The unit which measures the quality or value of food is the calorie, the amount of heat given off by food when it burns . This measurement tells how much energy a certain food has when it is completely used by the body .

Our bodies use varying amount of calories . The more exercise we take, the more calories we burn . If we eat food which contains more calories than we use up , then it is possible that we would increase in weight . In order to avoid becoming overweight , it is advisable to eat a balanced diet and not to eat too many foods that have a high calories rating . The table below gives you some idea of the number of calories in food .

1.Which is the best title of this passage ?

2.How many slices of bacon equal the same number of calories as in a sausage roll ?

3.To keep he calorie intake down , it is better to eat more  ________ .

4.When do you need the most calories from your diet ?