单项选择题

变配电室要求做到“五防一通”五防：即防火、防水、防雷、防雪、防小动物。一通：即保持通风良好。

A.正确
B.错误

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单项选择题

旅游市场调查是顾名思义就是指搜集和分析某一个被明确限定的问题的相关信息，以提高营销人员或策划规划人员的决策水平。（）

A．对
B．错

单项选择题

In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、Singing and music are prohibited.
B、Tight restrictions are imposed on women.
C、Many women are taken as sex slaves.
D、Women are backed by the U.S.A.