(2013·福建高考)________basic firstaid techn...

(2013·福建高考)________basic firstaid techniques will help you respond quickly to emergencies.

A．Known B．Having known

C．Knowing D．Being known

C 【解析】选C 考查非谓语动词。句意：了解基本的急救技巧能够帮助你快速应对紧急情况。分析句子结构可知，空处在句中充当主语，应用动词ing形式。having known强调“完成”，不符合句意，可排除。故选C。

考点分析：

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(2013·福建高考)________basic first­aid techn...