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【判断题】
网络覆盖的范围介于局域网和广域网之间的是城域网。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】a limited water supply
【简答题】第二代晶体管计算机的特点?
【单选题】——Does agriculture(农业) need a large amount of water? ——Yes, a limited water supply will_________ agriculture.
A.
have a good effect on
B.
have a bad affect on
C.
have a bad effect on
D.
has a good effect on
【单选题】Which of the following statements, according to the passage, is NOT true?
A.
A limited water supply will affect industrial production.
B.
Every large city purifies and reuses its water.
C.
Purified water is not exactly as fresh as spring water.
D.
Oceans are the largest water source.
【单选题】__________ 查看材料
A.
A limited water supply
B.
so that it can be used again just as if it were fresh from a spring
C.
It is possible to purify large amounts of sea water
D.
But even if every large city purified and reused its water
E.
And we cannot even use all of that
F.
Experiments have already been done in this field
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