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题库 / Prep2012-SC-9
Roughly twice each century the planet Venus passes between the Earth and the Sun, an occasion known as a transit of Venus, during which it makes the outline of the planet visible in stark relief.
during which it makes the outline of the planet
during which the outline of the planet becomes
so that it makes the outline of the planet
such that during which the outline of the planet becomes
such that the outline of the planet becomes
题目分析：
略
选项分析：
A选项：during which是定语从句的关系词，其所修饰的先行词a transit of Venus在定语从句中作状语，在从句中，it也指代a transit of Venus，从句可以写为：
a transit of Venus makes the outline of the planet visible in stark relief during a transit of Venus.
出现的两次a transit of Venus中有一次是赘余的。
B选项：Correct. 本选项在语法和逻辑上均是正确的。
C选项：本选项中两个小句的因果关系不成立。我们不能说：因为金星每个世纪从地球和月球之间穿越两次，所以金星让星球的轮廓可见。（前后两句没有任何联系，或者说，这个因果关系之间存在明显的gap）
D选项：语法有误，such that 和during which都是连词，不能一起使用。
E选项：因果关系不成立错误同(C)。
选项A：冗余
an occasion known as 【a transit of Venus】, during which 【it（形式主语=先行词a transit of Venus）】 makes the outline of the planet visible in stark relief. （出现的两次a transit of Venus，所以冗余）
同理：
which 后面就不能加代词了。比如:
I like my dog, who is a lovely animal. （√）
I like my dog, who it is a lovely animal。（× ，∵冗余）
原句没有因果关系
核心语义
such that 表示目的
during which 定语从句
1. it 无指代 AC
2. such that & during which 两个连词连用错
3. E 因果关系不成立： 不能因为金星穿过地球和太远这件事，所以行星轮廓变得清晰
so that=suth that
A which 和 it都是代指transit of Venus，重复
B正确
CDE so that/such that表示结果，前后两句没有任何联系
D such that 和during which都是连接从句，不能放在一起
主句结构是planet passes X
Split#1：选项A中which引导的句子成分完整，去掉
Split#2：选项D中such that 和during which都是连词，不能一起使用，去掉
Split#3：Roughly twice each century，可以看出不强调因果关系，such that 和 so that 强调因果关系。
主句结构是planet passes X
Split#1：选项A中which引导的句子成分完整，去掉
Split#2：选项D中such that 和during which都是连词，不能一起使用，去掉
Split#3：Roughly twice each century，可以看出不强调因果关系，such that 和 so that 强调因果关系。
during which 修饰 a transit of Venus
1、such that=so that
2、such that during 两个连词不能一起使用
such that = so that
it 指代模糊
such that sothat 是否存在因果 存在才可以使用
duringwhich it it多余
分辨不出是否存在因果关系...
such that=so that
which是指transit，it也是指transit。
宾语是bwtween and..短语
A it仍是指先行词，多余
回复amarelleqy: which 后面就不能加代词了。比如:
I like my dog, who is a lovely animal. 正确
I like my dog, who it is a lovely animal。错误。
AC：it无指代对象，不知道是什么 使outline变清晰
AB：定从
CE：so/such that状从
D：混搭2种引导词....
A it仍是指先行词，多余