-May I park my car here? -No, you . No car is allowed to park here. A．may not B．needn't C．mustn't D．daren't 题目和参考答案——青夏教育精英家教网—

题目内容

—May I park my car here?

—No, you ________. No car is allowed to park here.

A．may not　　 B．needn't　　　 C．mustn't　　 D．daren't

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阅读下面短文，请根据短文后的要求进行答题。（请注意问题后的字数要求）

[1]Keeping a busy social life among lots of friends may keep people slimmer than spending hours on a treadmill, according to scientists. They say that socializing and meeting with friends helps boost levels of ‘brown fat’ in the boby which burns calories to generate heat.

[2]Living in a stimulating, social environment was found to reduce abdominal fat in mice by half over four weeks, even if they ate more. US researchers say that social stimulation can

by converting white fat into brown, White stores calories and makes us fatter, while brown burns energy to generate heat .Converting white fat into brown is difficult, as we all know, normally requiring long term exposure to cold conditions or activating part of the body’s nervous system

[3]However, scientists from Ohio State University now think that having a busy social life is an even more effective way of changing white fat into brown, The team came up with their theory by studying the effects of various living environments on mice. Those who lived alongside a greater number of mice and had more space and toys to stimulate them lost far more weight over the course of the study than their ‘couch potato’ ones.

[4]Study author Dr. Mattew During, whose team’s findings appear in journal Cell Metabolism said: I’m still amazed at the degree of fat loss that occurs. Explaining how new technology had threatened face-to-face socializing, he added: ‘It’s not just a sedentary lifestyle and high calorie foods, but an increasing lack of social engagement.’

[5]Co-author Dr. Lei Cao said: ‘Loneliness is a profound factor for cancer and death; it’s on par with cigarette smoking. Social engagement is very important’.

1.What’s the main idea of this passage? (no more than 10 words)

2.Fill in the blank in Paragraph 2 with proper words. (no more than 5 words)

3.What’s the purpose of the study of mice? (no more than 20 words)

4.How does socializing help make people slim? (no more than 15 words)

5.Translate the underlined sentence into Chinese.

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