[求助]一些新東方的題...

   The expected rise in the price of oil could be a

serious impact to industrialized nations and severely

diminish the possibility to have an economy free of

inflation.

(A) be a serious impact to industrialized nations

  and severely diminish the possibility to have

(B) seriously impact on industrialized nations and

  severely impede the possibility to have

(C) seriously impact on industrialized nations and

  severely impede the possibility of having

(D) have a serious impact on industrialized nations

  and severely impede the possibility to have

(E) have a serious impact on industrialized nations

  and severely diminish the possibility of having

答案是E。C的結構應該比E對稱，請問C除了改變句意外，還有那裡不好?

   In a plan to stop the erosion of East Coast beaches,

the Army Corps of Engineers proposed building

parallel to shore a breakwater of rocks that would

rise six feet above the waterline and act as a buffer,

so that it absorbs the energy of crashing waves and

protecting the beaches.

(A) act as a buffer, so that it absorbs

(B) act like a buffer so as to absorb

(C) act as a buffer, absorbing

(D) acting as a buffer, absorbing

(E) acting like a buffer, absorb

答案是C。為何B不好? 查過字典，act接as, like都可以，在本題應該也不影響句意

Once they had seen the report from the medical examiner, the investigators did not doubt whether the body recovered from the river was the man who had attempted to escape from the state prison.

(A) did not doubt whether the body recovered from the river was

(B) have no doubt whether the body recovered from the river was

(C) had not doubted that the body recovered from the river was

(D) have no doubt whether the body recovered from the river was that of

(E) had no doubt that the body recovered from the river was that of

答案是E, 為何要有"that of" ? 為何不是A? "body... was the man..." 很合理啊...

Nuclear fusion is the force that powers the Sun, the stars, and hydrogen bombs, merging the nuclei of atoms and not splitting them apart, as in nuclear reactors.

(A) merging the nuclei of atoms and not splitting them apart, as in nuclear reactors

(B) merging the nuclei of atoms instead of splitting them apart, like nuclear reactors

(C) merging the nuclei of atoms rather than splitting them apart, as nuclear reactors do

(D) and merges the nuclei of atoms but does not split them apart, as is done in unclear reactors

(E) and merges the nuclei of atoms, unlike atomic reactors that split them apart

答案是E，可是 "nuclear fusion... unlike atomic reactors..." 可以做比較嗎? C那裡不好?

問了很多題，先感謝各位的回答!!

你没有理解题目吧?第二题应该用OR和HAS BEEN,因为"合成"已经完成了.合成的东西与color,flavor additives, chemical preservatives并列.

问题那么多,我实在很难上下对照来回答.就此为止.