SAT 语法题According to experienced auto mechanics,it is a good idea to change a car's oil and filter （regularly because doing so helps ）reduce wear on the engine parts.(A) regularly because doing so helps (B) regularly; it therefore helps (C)

SAT 语法题According to experienced auto mechanics,it is a good idea to change a car's oil and filter （regularly because doing so helps ）reduce wear on the engine parts.(A) regularly because doing so helps (B) regularly; it therefore helps (C)
SAT 语法题
According to experienced auto mechanics,it is a good idea to change a car's oil and filter （regularly because doing so helps ）reduce wear on the engine parts.
(A) regularly because doing so helps
(B) regularly; it therefore helps
(C) regularly,doing this helps
(D) regularly as doing it is helpful to
(E) regularly for the purpose to help

SAT 语法题According to experienced auto mechanics,it is a good idea to change a car's oil and filter （regularly because doing so helps ）reduce wear on the engine parts.(A) regularly because doing so helps (B) regularly; it therefore helps (C)
原句中raised on the Laguna Pueblo reservation 是过去分词短语作状语,而主句的主语是novels,后面的of Leslie Marmon Silko 只是用来修饰novels的.用raised on the Laguna Pueblo reservation来形容novels的状态,显然是不通的.前者是指作者Leslie Marmon Silko在印第安部落长大,所以应该改成Leslie Marmon Silko的定语.用who引导的定语从句,就明确了它所要修饰的是人,而不是主语novels.
非限制性定语从句,一般要用逗号和主句分开.所以改好的句子就是：
The novels of Leslie Marmon Silko,who was raised on the Laguna Pueblo reservation,affirm the enduring role of oral traditions and ceremonies in the Pueblo culture.
你先设置我最佳答案后,我百度Hii教你.

选择A。一个个分析吧：
A. because是原因表述中最简洁的用法；doing so中so可以指代前面叙述的行为；helps也正确。
B. 看到it想指代：it不能指代句子只能指某个名词【如果你觉得it可以指代idea的话，那么句意及逻辑就有问题：能够help reduce wear on the engine parts 的是某种“行为”，而不是“想法”本身】，it不能指代ch...

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选择A。一个个分析吧：
A. because是原因表述中最简洁的用法；doing so中so可以指代前面叙述的行为；helps也正确。
B. 看到it想指代：it不能指代句子只能指某个名词【如果你觉得it可以指代idea的话，那么句意及逻辑就有问题：能够help reduce wear on the engine parts 的是某种“行为”，而不是“想法”本身】，it不能指代change a car's oil and filter regularly 这个行为（若句中有behavior的话，it指代就没问题）。
C.this不能单独做宾语或主语，排除；且两个句子间没有连词或分号~
D.太罗嗦，用help就行了，动词永远最优先【动词优于名词优于形容词】；SAT表示原因最喜欢because；且it又没有指代了。
E.也是表达上不够好，表目的用to do就好了，为什么非要说perpose。。。呢？
希望这些解释能帮助你~~O(∩_∩)O~
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A..。。。。。。。。。。。。标准答案是什么？

B，it没有任何连接词就是两个句子是不行的哦
C，偷换了主语，doing的主语是somebody哦
D,it指代不明确
E， for the purpose与to do重叠了