多项选择题

中间继电器本质是电压继电器，其特点包括（）。
A、触点多
B、承受电流大
C、动作灵敏
D、延时慢

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单项选择题

According to the Report 1 in the textbook, which of the following statements is NOT a reason for the failure of smoking ban in China? A、China has an entrenched “cigarette culture”. B、The enforcement of the law was rather poor. C、Governments lack incentives to control tobacco. D、People have no awareness about the health risks of smoking.

多项选择题

创业能力主要包括( )。 A、决策能力 B、创新能力 C、管理能力 D、专业技术能力与交往协调能力

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