EX 9- 47, Some psychiatric studies indicate taht among dsitinguished artists the rates of manic depression and major depression are ten to thirteen tiems as prevalent as in the population at large.
B. the rates of manic depression and major depression are ten to thirteen times more prevalent than in
E. manic depression and major depreession are ten to thirteen times more prevalent than in
答案:E, B 为什么不对?
谢谢!作者: Louisa_xy 时间: 2003-3-5 23:52
不能说rates更加盛行，而是这种疾病更加prevalent,所以B中rates....are more prevalent...不对作者: Mush 时间: 2003-3-6 00:52
