地球上生物生长的大部分能量来自于() A.太阳 B.月球 C.矿物 D.海洋

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问题:

地球上生物生长的大部分能量来自于()

A.太阳

B.月球

C.矿物

D.海洋

考点:事业单位招聘考试科技常识科技常识题库
题型:单项选择题

Early to bed, early to rise, makes a man healthy, wealthy and wise. This is an old English saying. It means that we must go to bed early and get up early in the morning. Then we shall be healthy. We shall also be rich and clever.

This is true. The body must have enough sleep to be healthy. Children of young age should have ten hours’ sleep every night. People who do not have enough sleep can’t do their work very well. They won’t be wise and they may not become healthy!

The body also needs exercise. Walking , running , swimming and playing games are all exercise. Exercise keeps the body strong. Exercise also helps the blood (血液)move around inside the body. This is very important. Our blood takes food to all parts of our body. The head also has blood. Exercise helps us think better.

小题1:If we get up early and go to bed early, we shall be healthy.

小题2:Children of young age shouldn’t have ten hours’ sleep every night.

小题3:A person needs exercise because it makes him strong.

小题4:Exercise also helps the blood (血液)move around inside the body

小题5:Exercise can’t help our head think better.

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Now I know that we black people are much more likely to have high blood pressure and diabetes (糖尿病) than white people. And they often lead to heart attacks and other untreated diseases. For example, black people are three to four times more likely than white people to have high blood pressure and twice as likely as the white population to die of a stroke (中风).

New research has found out the surprisingly high levels of salt in many of black people’s favorite meals. I stopped putting extra salt in my food at the table long ago and I try to cut down on the salt. I use in cooking. The suggested daily level of salt for adults is 6 grams. It is easy to see that if you try not to eat too many processed (加工过的) foods and use salt in your cooking within the limit, you won’t reach more than the daily level.

The research showed how much salt there is in some foods that we buy from restaurants and takeaways. An average salad with rice and peas has 6.2 grams of salt. This is more salt than you are supposed to eat for the whole day.

A researcher talked about the importance of home cooking rather than take-outs. At home, he pointed out, not only can you hold control of the salt bottle, but also you can create tasty food which is low on salt. The researcher later provided curry goat and rice and peas. They were low on salt, but completely delicious.

I do not suppose Jamaicans are going to stop buying takeaways soon. But if you suffer from high blood pressure, it is probably better not to buy them often.

小题1:The underlined word “they” in Paragraph 1 refers to _______.

A.white people

B.black people

C.untreated diseases

D.high blood pressure and diabetes小题2:What has the new research found out according to Paragraph 2?

A.Black people take in too much salt.

B.Black people’s meals are very special.

C.Processed foods have too much salt in them.

D.6 grams of salt per day is enough for an adult.小题3:What would the writer probably suggest black people do?

A.Order no salad in a restaurant.

B.Take in no salt for several days.

C.Stop cooking their favorite meals.

D.Eat less takeaways.小题4:The researcher provided curry goat and rice and peas in order to _______.

A.thank those who came to his home for his research

B.let people know that eating less salt makes one healthier

C.show that tasty food with less salt can be made at home

D.prove the less salt the food has the more delicious it is小题5:What would be the best title for this passage?

A.Watch the salt

B.Take care, black people

C.Say no to takeaways

D.Say no to high blood pressure

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在1946年美国又成立了一个新的篮球组织,称为(),英文简称为(),至1949年继而又成立了美国(),英文简称为(),由此可见,()是()的前身。

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