問題詳情

四、篇章結構(61-65題,每題2分,共10分)      Buckyballs are molecules that are composed entirely of carbon. They are usually seen in the form of a hollow sphere. The correct term for them is "fullerenes". They are named after Richard Buckminster Fuller. __61__ Many buckyballs are similar in shape and appearance to his invention.      Scientists have studied the potential of buckyballs, and think they will be useful. __62__ Since they are hollow, they could carry drugs around the body. __63__ But it's going to take a lot more experiments to find out the possible health effects of these amazing new materials.      On the other hand, buckyballs can also be dangerous. __64__ They attach themselves to DNA molecules and interfere with their biological function. This research does not yet show that buckyballs actually do any real damage to humans. But it does create concern about the possible dangers of nanotechnology. __65__ To reduce the risk, scientists handle them as if they were pollutants. 
(A) It may not be long before they are used in the fields of industry and medicine.
(B) And they might be able to repel certain viruses. 
(C) Currently, only a small number of buckyballs are produced in the world every year. 
(D) Computer models have shown that they possess the potential to damage DNA.
(E) He was an inventor who created an architectural design called a geodesic sphere.
61

參考答案

答案:E
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)

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