1. As children mature, they develop (an independence) that their parents, who have been responsible for them since they were born, often find difficult to accept.
Children是复数,怎么可以对上an independence?
2. The oldest dated jigsaw puzzle, (which was engraved) in 1767, is a hand-colored map of the counties in England and Wales.
A. which was engraved
B. being engraved
答案为A
括号部分being engraved为什么错?
3. Societies acting through their governments make the rules (to state) which acts are illegal, but although war is the most violent of human activities, it has not been declared illegal by any of the world’s governments or their agencies.
A. to state
B. stating
答案为B
括号部分为什么是stating?to state表societies的目的不行吗?
4. Jean Toomer was not only the author of Cane, a novel whose publication has been viewed (as making) the beginning of the Harlem Renaissance, but also a respected advisor among Quakers.
括号部分为什么没错?be viewed as sth,不应该是has been viewed as the mark of 吗?
5. Pual Ecke, flower grower and hybridizer, became known as “Mr. Poinsettia” after developing new varieties of the flower and (by pioneering) it as a living symbol of Christmas.
如果after developing和by pioneering并列的话,为什么解释说by多余了?这算是绝对错误吗?
6. The fruit fly is often used to study genetic _____ scientists can observe the effects of experiments on several generations.
A. mechanisms, since, with its rapid reproduction,
B. mechanisms; because it reproduces rapidly,
Explanation for Incorrect Answer A:
Choice (A) involves incorrect punctuation. The subordinating work “since” should not be preceded by a comma.
Since前面不能有逗号??
谢谢!
很详细,再请问一下第三题Societies acting through their governments是不是整体作主语?
追答是的 acting...是现在分词作定语