问题 单项选择题 A1/A2型题

下列哪种癌症发生与亚硝胺无关?()

A.结肠癌

B.肝癌

C.食管癌

D.胃癌

E.胆囊癌

答案

参考答案:E

解析:在我国食管癌高发区调查发现,当地某些粮食及食品中含有一定量的亚硝胺,检出率比非高发区高。亚硝胺致癌谱广、致癌性强,除食管癌外,胃癌、肝癌、结肠癌、肺癌等多种癌症的发生都与亚硝胺有关。胆囊癌与亚硝胺无关。

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You may not realize it, but you are doing much more than just studying when you are at school. School is a   小题1: the place where you learn to get along well with people. But this is not always easy. What can you do if you just don’t like one of your classmates?

If you d  小题2: that you have problems getting along with your classmates or friends, the most important thing to learn is tolerance(宽容). Tolerance is the ability to realize and respect the differences in others. We cannot change the w 小题3: that other people do, so it is important to learn to live h  小题4: with them.

Tolerance will make everyone get on better with each other. K  小题5:others constantly(不断地) makes us understand others’ differences.

Something different does not exactly mean that it is bad. Tolerance t 小题6:us to keep an even temper(温和的脾气) and an open mind.

You need to remember an old saying, “Treat others h   小题7: you want to be treated.” You would like to be treated kindly by your classmates, so it is important to treat them kindly too. If you tolerate something, it does not mean that you have to like it. No one is asking you to change who you are or what you believe in. Tolerance just means that you s   小题8: respect the differences in others and not to try to make them change.

It is important to practice tolerance, because it will make e   小题9: life easier. Learn to accept people for t   小题10: different abilities and interests. The world is very different, and practicing tolerance in your own school and city can help make things better.

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