don't expect anything in ,I did it because I enjoyed it.A. award B. rewardC. prize D. praise 题目和参考答案——青夏教育精英家教网—

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don't expect anything in ________；I did it because I enjoyed it.

A. award B. reward

C. prize D. praise

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Citizens were forced to f_______ the city surrounded by the flood.

A society was set up to _______ the endangered animals and plant life from dying out in this area.

A. reserve B. preserve

C. observe D. deserve

The writer had his first novel p_____________ in his early twenties.

The police officers in our city work hard _________the rest of us can live a safe life.

A. in case B. as if

C. in order that D. only if

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—That’s OK. We’ll catch the next train to London.

A. has left B. had left

C. was leaving D. would leave

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It is well-known that the sudden change of weather a_______ our health.

A recent study has shown that eating a small amount of dark chocolate every day could be good for your health. Scientists have found that a regular 2 ounces can help lower blood pressure and reduce the risk of having a heart attack or stroke（中风）without any weight gain. But take care before you reach for a large bar. The effects are canceled out if more than 30 calories are taken into your body each day, the researchers warn.

It’s already known that a chemical called polyphenol（多酚）, found in chocolate, can help reduce blood pressure, and blood pressure lowered in this way can reduce the risk of death from a stroke by 8 percent and from a heart attack by 5 percent, scientists declare. And it can also reduce the risk or death in general by 4 percent.

A daily diet with a little chocolate has the same effect with some special diets designed to lower blood pressure, according to one researcher. “Although all the degree of the blood pressure reduction is small, the effects are quite obvious,” the researchers said.

However, Sara Stanner, a nutritionist at the British Heart Foundation, is quite cautious. “This study suggests that small quantities of small chocolate might have good effects on blood pressure. However, it is important to remember that chocolate is also high in fat and calories. So eating much is not good for your heart.” “Polyphenols are also found in fruits and vegetables, which can be taken in without the risks associated with overintake,” she added.

But the German study shows that the fat content does not cancel out the good effects—at least where small amounts are concerned.

1.How is Paragraph 2 developed?

A. By making comparisons. B. By listing figures.

C. By analyzing causes. D. By giving examples.

2.What health benefits does dark chocolate have?

A. It lowers blood pressure heavily.

B. It may prevent heart attacks in a way.

C. It’s useful for controlling one’s weight.

D. It helps people strengthen their body.

3.What do Sara Stanner’s words suggest?

A. Eating chocolate has no health benefits.

B. Dark chocolate is not so nutritious as expected.

C. The findings of scientist’s study are not scientific.

D. Eating fruits and vegetables may be a better choice.

4.What will be discussed in the following passage?

A. Some details of the German study.

B. Benefits of fruits and vegetables.

C. Harm of overeating dark chocolate.

D. The proper amount of dark chocolate taken in.

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