Official 39 Lec 4
Question 5 of 6
What does the professor imply about a superbug?

A.

It will be an altered version of a naturally occurring organism.

B.

It was discovered as a result of looking for new sources of cellulose.

C.

It may contribute to the development of an efficient way to produce ethanol.

D.

It may produce many kinds of alternative fuels.

正确答案:AC

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