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【单选题】
关于预防新型病毒感染的肺炎,以下措施有效的是A.
戴口罩
B.
桑拿，汗蒸
C.
淡盐水漱口
D.
饮酒
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举一反三
【简答题】. Bill Gates was born on October 28th, 1955. He and his two sisters grew up in Seattle. Their father, William H. Gates II, was a Seattle lawyer. Mary Gates, their late mother, was a school teacher. Ga...
【简答题】Bill Gates was born on October 28, 1955. He grew up in Seattle, Washington in the US. He was a very clever boy. His favorite subjects at school were science and math. When he was 13, he started to pla...
【简答题】Bill Gates was born into a (wealth) family and he has two sisters.
【单选题】假设名义汇率为1美元=6人民币，市场完全开放，没有贸易与非贸易壁垒。再假设某型华为手机与某型苹果手机完全同质，一只华为手机价格为3000元人民币，一只苹果手机价格为1000美元。那么华为的贸易条件
A.
好于苹果
B.
劣于苹果
C.
恶化
D.
与汇率无关
【简答题】中段习作教材的优点。
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