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【判断题】
单选按钮使用标记是：
。
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】Fish and chips has always been a 1 in Britain, but as the oceans have been 2 , fish has become more and more expensive. So it comes as a surprise to learn that giant fish are 3 on North Sea oil rigs. ...
【简答题】crescendo(cresc.)是表示( )
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【判断题】Scientists have started work on vaccines and on treatments to make infections less severe. Vaccines for the novel virus have been developed.
A.
正确
B.
错误
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