好像是OG13-SC97？我做的时候是OG18SC737了

lin9 · 发表于 2018-8-2 23:05:10

Some anthropologists believe that the genetic homogeneity evident in the world's people is the result of a "population bottleneck"—at some time in the past our ancestors suffered an event, greatly reducing their numbers and thus our genetic variation.
(A) at some time in the past our ancestors suffered an event, greatly reducing their numbers
(B) that at some time in the past our ancestors suffered an event that greatly reduced their numbers
(C) that some time in the past our ancestors suffered an event so that their numbers were greatly reduced,
(D) some time in the past our ancestors suffered an event from which their numbers were greatly reduced
(E) some time in the past, that our ancestors suffered an event so as to reduce their numbers greatly,

请问大家E选项中的that哪里有问题啊？？ some time in the past 和后面that balabala中间的逗号有什么深意吗？？

lin9 · 发表于 2018-8-2 23:16:02

球解答~谢谢大家了

追梦的Yvonne · 发表于 2018-8-3 00:59:33

你没划线欸。

追梦的Yvonne · 发表于 2018-8-3 01:02:02

that引导的从句前木有逗号的

追梦的Yvonne · 发表于 2018-8-3 01:11:25

E选项。 that our ancestors suffered an event so as to reduce their numbers greatly,和没划线的后半部分and thus our genetic variation. 连不起来

lin9 · 发表于 2018-8-3 07:59:48

追梦的Yvonne 发表于 2018-8-3 01:11
E选项。 that our ancestors suffered an event so as to reduce their numbers greatly,和没划线的后半部 ...

哦哦这样啊，那请问前面加了逗号之后，some time in the past修饰的对象变了吗？
谢谢

[SC悬赏令] 好像是OG13-SC97？我做的时候是OG18SC737了

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