2. 外语
  3. (The) number of leprosy cases around the world (has been) cut (of) ninety (percent) during the past ten years.

(The) number of leprosy cases around the world (has been) cut (of) ninety (percent) during the past ten years.

admin2008-10-11  53
问题 (The) number of leprosy cases around the world (has been) cut (of) ninety (percent) during the past ten years.
选项 A、The
B、has been
C、of
D、percent
答案C改为by
解析 意为“减少了90%”。
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