17. (25335-!-item-!-188;#058&002335)
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.
(A) what they had not previously considered possible--better control, if not eradication, of the other
infections such as
(B) what they had not previously considered a possibility--better control, if not eradication, of such
infections like
(C) something they had not previously considered possible-better control, if not eradication, of such
infections as
(D) something not considered a previous possibility--better control and perhaps eradication, of
other infections such as
(E) the possibility of what they had not previously considered--better control and possibly
eradication of infections like
A C 想要问下D为什么错呢 SOMETHING后面的主语是能够省略的吗 除了那个POSSIBILITY和PERHAPS的重复使用 | 
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发表于 2009-11-30 19:23:16
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