10.Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits caused by the desire to be as thin as possible. (A) Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits caused by the desire to be as thin as possible. (B) Good eating habits sometimes fail to be maintained by young female ballet dancers and gymnasts caused by desiring to be as thin as possible. (C) Because they desire to be as thin as possible, good eating habits are sometimes not maintained by young female ballet dancers and gymnasts. (D) Because they desire to be as thin as possible, young female ballet dancers and gymnasts sometimes fail to maintain good eating habits. (E) Young female ballet dancers and gymnasts sometimes fail to maintain good eating habits because they desire to be as thin as possible. ans 请教A的错误,D与E的区别
11.Since conscious patients often died of shock on the operating table, (the invention of anesthesia was essential to the development of surgery as the invention of the propeller was to powered fight). (A) the invention of anesthesia was essential to the development of surgery as the invention of the propeller was to powered fight (B) inventing anesthesia was as essential for the development of surgery as the invention of the propeller was for powered fight (C) the invention of anesthesia was as essential in the development of surgery much as the invention of the propeller had been for powered fight (D) the invention of anesthesia was as essential to the development of surgery as the invention of the propeller was to powered fight (E) the invention of anesthesia was essential to the development of surgery, so was the invention of the propeller essential to powered fight ans 请教与A的区别
11是表示一个平行比较,the invention of anesthesia 对the development of surgery/ the invention of the propeller对powered fight,是一个大平行和两个小平行的并列,所 以要使用as...as。抱歉我说的太过简单:)