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【多选题】
现在世界各国已向宇宙空间发射了几千颗人造卫星，这些卫星主要有（）。A.
军事侦察卫星
B.
导航卫星
C.
气象卫星
D.
科研卫星
E.
摄影卫星
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举一反三
【简答题】Man is not only a dweller in nature, he also transforms it. Humanity converts nature’s wealth into the means of the cultural, historical life of society. Man has subdued and disciplined electricity an...
【简答题】Everywhere man is altering the balance of nature . He is facilitating the spread of plants and animals into new regions, sometimes deliberately, sometimes unconsciously . He is covering huge areas wit...
【简答题】Read the first part of the text and try to fill in the blanks in the following paragraph. We humans live inside and i with the nature. The air, water and food make us constantly a of the influence of ...
【简答题】The (biology) clocks make plants and animals live in harmony with the rhythms of nature.
【判断题】The Nature Conservancy has declared war on a multitude of invasive species , from sheep to plants to the aggressive Argentine ant. (5.0分)A. √ B. ╳
A.
正确
B.
错误
【单选题】The changes of the plants and animals in an area ________ from differences in climate and the nature of the country.
A.
rise
B.
raise
C.
arouse
D.
arise
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