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【单选题】
What will happen when there is more solar wind activity?
A.
Less carbon-14 is produced.
B.
More carbon-14 is produced.
C.
None carbon-14 is produced.
D.
Nothing will happen.
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参考答案:
举一反三
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A.
全波
B.
半波
C.
桥式
D.
不间断
【单选题】_____ most countries, Japan doesn't offer much access to the Internet to its people who have less money and receive less education. [     ]
A.
As for
B.
As if
C.
As with
D.
As of
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A.
正确
B.
错误
【单选题】3s电子的径向分布图有:
A.
1个峰
B.
2个峰
C.
3个峰
D.
4个峰
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【简答题】In many countries, unusual names for children are becoming more popular, especially when more and more stars give their children special names. In Britain, you can call a child almost anything you lik...
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