The passage is mainly about ____________.
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1 .Why is X-rays treatment called “radiotherapy”?
A Because the treatment involves nuclear radiation. B Because X-rays is in association with nuclear reaction. C Because the disease is treated by means of X-rays. D Because it is treated by means of radio.
2 .Why is X-rays called Roentgen rays?
A Because X means the unknown. B Because Roentgen was a very famous physicist. C Because Roentgen sounds very good. D Because Roentgen discovered X-rays.
3 .The word “by accident” (Para. 2) can be best replaced by ________.
A by design B by chance C on purpose D deliberately
4 .Why Roentgen named the new rays produced from the tube as X-rays?
A Because the letter X is special. B Because others give the name. C Because the letter X is the name of this ray itself. D Because the letter X stands for the unknown.
5 .What is the main idea of the passage?
A Roentgen discovered X-rays. B The usage of X-rays C An experiment made by Roentgen D The discovery of X-rays and its medical usage
7 .The first paragraph of the passage suggests ________.
A modern society has made old people more fragile B there is still much one can do in his old age C in old age one should forget his past as capably as he can D in old age one should switch his thoughts to the future
8 .The second paragraph of the passage suggests _______.
A one should leave his grown-up children to live on their own as early as possible B too much concern for grown-up children may likely make you a burden to them C nowadays grown-up children are usually indifferent to their parents and grandparents D modern grown-up children want to live a different ...
9 .According to the passage, what attitude should be adopted towards your grown-up children?
A Leave them to live their own life and learn their own lessons. B Give them some material help if you can, but not too much. C Help them with your wisdom born of experience. D Live separately, if you can afford.
10 .According to the passage, which of the following would the author advise old people to do?
A Try to mix with the young B Avoid strong personal emotions C Try to remain as active as you were when you were young D Find out your own interests and try to be actively engaged in them
