( ) You `Keep off the grass’. You walk on the grass. A. must; should B. must; shouldn’t C. ——青夏教育精英家教网—

摘要：( ) You `Keep off the grass’. You walk on the grass. A. must; should B. must; shouldn’t C. should; must

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　　　　　　　　　　To Be Healthy

There are some things you should and shouldn't do to be healthy. To be healthy, you should eat well, sleep well, exercise often and keep clean. It is important to eat good. You should often eat fruit, vegetable, meat or fish. You shouldn't eat too much candy or junk food. You should drink at least eight glasses of water each day. You should sleep at least 8 hours each night. It is not good to go to bed too late. To be healthy, it is also important to exercise every day. Do you walk, swim or run? Do you play sports? To be healthy, you also need to be clean. You should take a shower often. You should brush your teeth every day. You should comb you hair. You must also wash your hands often. If you care you health. You will not have to see the doctor. You will enjoy your life.

1.To be healthy, you should______.

A. eat good food

B. eat candy

C. go to bed late

2.To be healthy, you should ______.

A. go to bed late

B. sleep at least 8 hours each night

C. eat candy

3.To be healthy, you shouldn't _______.

A. Play sports

B. be lazy

C. eat good food

4.To be healthy, you shouldn't _______.

A. comb your hair.

B. eat too much junk food.

C. eat good food.

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　　One of the animals that helps people most is the dog. In some countries, dogs pull wagons(四轮马车)like horses. In the cold land of the North, dogs pull sledges(雪橇).

　　There are other ways that dogs help us, too. Policemen use them to look for missing people. Soldiers(士兵)use them to carry letters and medicines.

　　On farms, dogs are used to watch sheep. They keep them together in the fields. At night, they take the sheep home. Dogs help blind people(盲人), too.

　　Different dogs do different kinds of work. Some are good at one kind, some are good at another. Do you know what kind of dogs takes care of sheep?

(1)In the North, dogs are used to pull ________.

[　　]

(2)Which of the following is true? ________

[　　]

A．All dogs can help to do any kind of work.