I think I had at least a billion tests,i

练习题库2022-08-02  19

问题 I think I had at least a billion tests,including(  )in which they cut out a piece of muscle from my leg and looked at it under a microscope.A.thatB.the oneC.itD.one

选项 A.that
B.the one
C.it
D.one

答案 D

解析 One是泛指,可以指代任何可数名词单数。而选项中that/the one/it都是特指某一个物体。题干说“我做了至少上亿次实验,包括一次…”可知本句意思是泛指的概念,故正确答案是选项D。
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