The possible effects of some scientific fields, such as lasers and cryogenics (低温学), are difficult to imagine and both already have a number of uses. The supercooling effects of the cryogenics which convert liquid helium (液态氦) and other gases into superfluids and metals into superconductors, making them non-resistant to electricity, could change the world in a number of ways. The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations. The question is whether it will be most used for peaceful purposes or as a deadly weapon.
But perhaps the most remarkable developments will occur in space flight. One of the difficulties in the past has been the high cost, but now the space shuttle is being developed, and can be used a large number of times instead of only once. Already man has been to the moon. Perhaps by the end of the century he will have had a close-up view of Venus (金星) or Mars (火星).
答案解析
Section VI: Chinese-English Translation (20 points)
50.Please turn off the switch (switch off) as soon as the water boils.
51.The Chinese people will forge ahead (march on, march onward, march forward) with greater strides in 1980s.
52.We all agree to the decision comrade Li has made (made).
53.The result is much (far) better than we expected.
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