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【简答题】
开始写小雨点溅到眼镜上,之后写更大的雨点溅到眼镜上,其作用是:(不超过 20字) ______________________________
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【简答题】A.The lack of air pressure. B.The extremely hot or cold temperature. C.Exposure to radiation. D.An inadequately ventilated space suit.
【单选题】Which situation is most conducive to the formation of radiation fog?
A.
Warm, moist air over low, flat land areas on clear, calm nights.
B.
Moist, tropical air moving over cold, offshore water.
C.
The movement of cold air over much warmer water.
【简答题】Undoubtedly, Tibet is one of the 1. _________ places for human existence. It is cool in summer but freezing cold in winter. In Lhasa, the mildest city in Tibet, temperatures may 2. _________29 degrees...
【单选题】The passage of very cold air over much warmer water causes ___ .
A.
frontal fog
B.
arctic sea smoke
C.
advection fog
D.
radiation fog
【简答题】根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 peer pressure peer pressure is the influence a 's social group has on him or her. As adolescents enter the years, they usually begin to f...
【单选题】Yet the LSS leaves big questions about the effects of low-dose radiation exposure unanswered.
A.
publicity a person receives
B.
harmful effect on one’s body caused by very cold weather
C.
being in a situation where something dangerous might affect you
【简答题】A regular drop in the sun’s radiation(辐射) can cause unusually cold winters in parts of North America and Europe, scientists say, a finding that could improve long-range forecasts and help countries pr...
【简答题】cold/radiation sterilization
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