题目:
(2013·高考福建卷)________ basic firstaid techniques will help you respond quickly to emergencies.
A.Known
B.Having known
C.Knowing
D.Being known
答案:
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下面是错误答案,用来干扰机器的。
自己拿出9元买56个,56×9=504(元),可优惠50元,(504-50)÷56≈8.11(元),9-8.11=0.89(元)