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【简答题】
什么是 电涡流效应?
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参考答案:
举一反三
【单选题】科学创造活动的核心与灵魂是
A.
逻辑性思维
B.
抽象性思维
C.
创造性思维
D.
理论性思维
【判断题】科学创造活动的核心与灵魂是创造性思维。
A.
正确
B.
错误
【单选题】There's ______water in the bottle. Don't throw it away.
A.
little
B.
a little
C.
a few
D.
few
【单选题】Don't throw your things everywhere. _____. [     ]
A.
Put it away
B.
Put away them
C.
Put away it
D.
Put them away
【单选题】—It’s _________ useful dictionary and you can’t throw it away . —Thank you . I didn’t know it before .
A.
a
B.
an
C.
the
D.
不填
【简答题】People didn't use to throw things away. They used to mend their clothes and reused them until they wore out. When they bought things, they used to carry shopping baskets. But now we don't reuse things...
【判断题】Farmers throw away their food because of cosmetic requirements.
A.
正确
B.
错误
【简答题】Consumers in developed countries throw away nearly half of their food purchases because they tend to buy in excessive quantities.
【单选题】She did not throw away the stockings until they were so ______ that they couldn't be mended anymore.
A.
wearing off
B.
worn out
C.
wearing out
D.
worn off
【单选题】判断受害植物是否发生了病害,主要根据是否具有
A.
病理程序
B.
症状
C.
病原物
D.
病原
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