求助大牛 今天遇到几个语法点不会

longjili

求助各位兄弟姐妹啊，祝大家考试顺利！
1.The Acoma and Hopi are probably the twooldest surviving Pueblo communities, both dating back at least athousand years.

A.both dating

B.both of which have dated

C.and each has dated

D.and each one dating

E.each one of which date         答案是A，想问下date的用法？记得是date dated 还有dating某一个不能用？

The nineteenth-century chemist Humphry Davypresented the results of his early experiments in his “Essay on Heat andLight,” a critique of all chemistry since Robert Boyle as well as a visionof a new chemistry that Davy hoped to found.

A.a critique of all chemistry since Robert Boyle as well as a     vision of a

B.a critique of all chemistry following Robert Boyle and also his     envisioning of a

C.a critique of all chemistry after Robert Boyle and envisioning     as well

D.critiquing all chemistry from Robert Boyle forward and also a     vision of

E.critiquing all the chemistry done since Robert Boyle as well as     his own  envisioning of

答案是A 我错选了B  为什么B不行呢？


Several financial officers of the companyspoke on condition that they not be named in the press reports.

A.that they not be named

B.that their names will not be used

C.that their names are not used

D.of not having their names

E.of not naming them

答案是A，为什么啊？

longjili

自己顶起 坐等啊 难道没人解答？

longjili

难道真的没有人帮忙么。。。

许楚iris

第二道题的B选项里，ｈｉｓ出现指代不清，而且vision作为名词可以直接表达，不需要用动名词形式的envisioning，而且我觉得既然有了and，再加一个also，有点罗嗦了