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题库 / Prep2007E2-SC-17
The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible--better control, if not eradication, of the other infections such as measles and yaws.
what they had not previously considered possible--better control, if not eradication, of the other infections such as
what they had not previously considered a possibility--better control, if not eradication, of such infections like
something they had not previously considered possible--better control, if not eradication, of such infections as
something not considered a previous possibility--better control and perhaps eradication, of other infections such as
the possibility of what they had not previously considered--better control and possibly eradication of infections like
better control of other infections such as---后面举例的就应该是control的手段 如果是better control of such infections as--后面举例的就应该是infection，非划线部分的两个例子是感染
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