标题: 求教几道题！！！ [打印本页] 作者: lllmmm 时间: 2011-5-23 15:24 标题: 求教几道题！！！ According to a 1996 study published in the Journal of Human Resources, Americans of Middle Eastern descent were twice as likely as was the national average to be self-employed.
(A) as was the national average to be self-employed (B) as the average American to be self-employed (C) as the national average that they would be self-employed (D) to be self-employed than was the average American (E) that they would be self-employed than was the national average B项 average American是什么意思啊？
As the former chair of the planning board for 18 consecutive years and a board member for 28 years, Joan Philkill attended more than 400 meetings and reviewed more than 700 rezoning applications.
(A) As the former (B) The former (C) Former (D) She was (E) As the 正确答案是E 这个题其它选项哪不对啊
It is unclear whether chimpanzees are unique among nonhuman species in their ability to learn behaviors from one another, or if, when other animals are studied in as much depth, similar patterns would be found.
(A) if, when other animals are studied in as much depth, similar patterns would be found (B) if other animals were studied with as much depth they would exhibit similar patterns (C) would similar patterns be found in other animals if they were studied in as much depth (D) whether similar patterns would be exhibited in other animals that were studied with as much depth (E) whether other animals would exhibit similar patterns if they were studied in as much depth E选项为啥用would啊？