单选题：Horse-racing fans cannot be considered sportsmen because th

题目内容：

Horse-racing fans cannot be considered sportsmen because they are spectators whose primary interest is gambling. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

A red flag was placed there as a token of danger．

A red flag was placed there as a token of danger．A．sign B．substitute C．proof D．

分类：卫生类题型：单选题

When did Einstein begin teaching?A．In 1901． B．In 1902． C．In 1910． D．In 1879．

分类：卫生类题型：单选题

Questions 17-20 are based on the following story about Einstein’s life．You now

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He stayed in China for almostA．20 years． B．12 years． C．7 years． D．3 years．

分类：卫生类题型：单选题

对执行价格与期权合约标的物的市场价格的描述不正确的有（　　）。A．执行价格与市场价格的绝对差额决定了内涵价值的有无及其大小 B．就看跌期权而言，市场价格超过执行

分类：卫生类题型：单选题