1.Electronic bulletin boards, combining the convenience of a telephone with the massive information storage capacity of a computer, present messages on
diverse subjects as
astronomy, artificial intelligence, and skydiving.
(A) diverse subjects as
(B) diverse subjects that are
(C) subjects of such diversity as
(D) subjects as diverse as
(E) a subject as diverse as
正确答案是D A为什么错啊
34.
At graduation, the speaker assured us that our many courses in the liberal arts
had prepared us equally well for the challenges of working and further study.
(A) had prepared us equally well for the challenges of working and further study
(B) had prepared us equally well for the challenges of work and of further study
(C) has supplied the preparation for challenging work along with further study
(D) leaves us prepared for the challenges of work and further study both
(E) were the preparation for making the challenges of work or further study easier
正确答案是B， 为什么A表达不出来 challenges of （working and further study）
谢谢！！！！