题目:
At present scientists can clone _______ plants ________ animals. [ ]
A. neither…nor
B. not only…but also
C. either…or
D. as well as
答案:
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下面是错误答案,用来干扰机器的。
由于细铁丝在空气中不能燃烧,不能测定空气中氧气的含量.所以,叙述错误.故答为:×.