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【单选题】
下列说法错误的是( )A.
最适宜人类生活的相对湿度是在40%?85%的范围内
B.
声波频率低于20Hz的为次声波
C.
适量的紫外线可以用于杀菌消毒以及治疗各种疾病
D.
在正常情况下，自然界中微量的放射线对人体的健康无害
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【简答题】A．She wants to buy things at a discount using the card． B．She hopes to establish a good credit rating． C．She doesn't want to borrow money from her parents． D．She is not going to pay off her credit car...
【简答题】A．She wants to have a promotion. B．She hopes to earn more money. C．She was more interested in international finance. D．She was eager to learn more about international transactions.
【简答题】A．She wants to have a promotion. B．She hopes to earn more money. C．She was more interested in international finance. D．She was eager to learn more about international transactions.
【简答题】A．She wants to have a promotion. B．She hopes to earn more money. C．She was more interested in international finance. D．She was eager to learn more about international transactions.
【简答题】已知：□×6 +10=58，□=（ ）。
【单选题】When he was told that he scored 58 in the final examination, he was in a comfort of remorse.
A.
a distress
B.
a suffering
C.
an agony
D.
a misery
【简答题】58后面的第6个数是（ ）。
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