The thing you wash your hair with must be_____

A．used with care

B．very strong

C．extremely mild

D．fashionable

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参考答案

答案解析

正确答案是：A。文中第三段提及有关护发产品的问题。首先文章告诉我们任何护发产品都对头发有影响，这就暗示我们使用的时候应该小心，并且由此可以否定选项B。但并不是特别柔和(extremely mild)的产品就是对头发有效的产品，比如油性发质的人也许不适于使用这种产品，由此可以否定C。选项D文中没有提及。所以正确答案是A。

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A．keep the hair completely clean

B．wash the hair very often

C．have hair cut four times a year

D．avoid combing the hair with our hands

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2 "Those with a dry hair can usually go a little longer" means if your hair is dry _____

A．you can walk longe

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3 　　Death Control
　　A very important world problem -- in fact, I am inclined to say it. is the most important of all the great world problems_______ (1) -- is the rapidly increasing pressure of population on land and on land resources.
　　This enormous increase of population will create immense problems. By 2010 A．D．, unless something desperate happens, there will be as many as 7,000,000,000 people on the surface of the earth！So this is a problem which you are going to see in your lifetime.
　　Why　is this enormous increase in population taking place.9 It is really due to the spread of the knowledge and the practice of_______ (2) You have heard of Birth Control? Death Control is something rather different. Death Control recognizes the work of the doctors and the nurses and the hospitals and the health services in keeping alive people who_______ (3) , would have died of some of the incredibly serious killing diseases, as they used to do. In addition, squalid conditions, which we can remedy by an improved standard of living, caused a lot of disease and dirt.
　　Medical examinations at school catch diseases early and ensure healthier school children. Scientists are at work stamping out malaria and other more deadly diseases. If you are seriously ill there is an ambulance to take you to a modern hospital. Medical care helps_______ (4) We used to think seventy was a good age; now eighty, ninety, it may be, are coming to be recognized as a normal age for human beings. People are living longer because of this Death Control, and_______ (5), so the population of the world is shooting up.
A．fewer children are dying.
B．a few years ago
C．what is coming to be called Death Control
D．which face us at the present time
E．making it possible for people to live longer
F．to keep people alive longer

请选择（1）处的最佳答案．

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