问题
选择题
(2013·福建，22)________ basic first－aid techniques will help you respond quickly to emergencies.
A．Known
B．Having known
C．Knowing
D．Being known
答案
答案：C
考查非谓语动词。此句谓语为will help，因此所选非谓语动词做主语，故使用动名词，答案选C。
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