2017年11月成人学位英语考试考前提分试题及答案二
Reading Comprehension Directions: There are 4 passages in this part. Each of the passages is followed by 5 questions or unfin-ished statements. For each of them there are 4 choices marked A, B, C and D. Choose the best one and mark your answer on the ANSWER SHEET with a single line through the centre.
根据下面资料，回答{TSE}题
Since the beginning of history, man has been attracted by the idea of living forever, of win-ning the fight against death and disease. So far, this has only remained a dream, though a very powerful one. Many people have wondered whether it would be possible to find a way to preserve human bodies, and what would be the best way to preserve human bodies.
It has long been known that meat of fruit can be kept fresh for long periods by freezing; in ancient China, for example, food was stored with ice to keep it fresh. This method could also be useful for preserving humans, and in fact many people have explored this possibility.
However, most living beings that exist under warm conditions die when frozen. This is be-cause of the harmful effects of freezing ice crystals( 晶体), which are not only larger than the vol-ume of the water originally in the cells, but also form sharp cutting shapes that harms the cells.
In the 1940s Dr B.J. Luyet and a group of scientists in England were working on the problem of freezing cells without damaging them. Since the harm caused by ice crystals was the main cause of the damage, Luyet suggested removing some or all of the water from the cells before freezing them.
Using living cells from chicken, Luyet and his assistants discovered that they could partly dry the chicken cells, using a mixture of the white part of an egg and glycerin(丙三醇), a clear, thick liquid made chiefly from fats and oils. Some success was obtained. The chicken cells were dried,frozen for a period of time, and then carefully unfrozen. Almost all the cells recovered when they roached normal temperatures.
Since then, the cooling of whole animals to a temperature very much below freezing point for later unfreezing has become more of a possibility, and the glycerin method would probably be used to accomplish this. When this can be done completely and successfully, science will have moved much closer to its aim of freezing and storing incurable patients until the day they can be cured.
第11题 The passage is mainly about__________.
A.the possibility of preserving human bodies by freezing
B.the practice of preserving food by freezing
C.the harmful effects of freezing
D.how to remove water from living cells
第12题 The idea of freezing human bodies to preserve them__________.
A.comes from that of keeping meat and fruit fresh by freezingB.was invented in ancient ChinaC.has already been realizedD.is widely accepted by the scientific world
参考答案：A
参考解析：【定位】第二段。
【答案详解】本题为细节题。第二段首句提到果肉和食品通过冷冻可以保鲜，接着“This method could also be useful for preserving humans…”，这里的this method指的就是上文中的冷冻保鲜法。故选A。
第13题 According to the passage, freezing is__________.
A.the best way of preserving food
B.a way of removing water from living cells
C.a way of realizing the idea of preserving human bodies
D.harmful to living cells and cannot be adopted to preserve them
第14题 Glycerin can be used__________.
A.to freeze living cells
B.to unfreeze living cells
C.to remove water from living cells
D.to change the shapes of crystals
第15题 The success obtained by Dr Luyet and his helpers was a long step towards__________.
A.keeping meat or fruit fresh
B.changing the volume of the water in living cells
C.changing the shapes of ice crystals
D.preserving human bodies for long periods
学位英语考试：2017年成人学位英语考试试题题型详解
学位英语报名：2017年成人学位英语考试报名时间/入口