单选题：21. StephenHawking has spent around ten years explaining the

题目内容：

21. StephenHawking has spent around ten years explaining the secrets of………. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

回答题：The Theory of Everything

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6. Thephobia may have its root in a childhood trauma.A．fear B．joy C．hurt D．memo

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首选治疗药物是 A．抗生素 B．利尿剂 C．氧气吸入 D．吲哚美辛(消炎痛) E．血管扩张剂

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2012年中秋、国庆黄金周期间，四个直辖市接待游客总人数占全国的：A．13．2% B．11．8% C．15．9% D．14．6%

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