两道看似简单但不知道知识点就很难做对的题目

? Q13:

A leading figure
in the Scottish enlightenment, Adam Smith’s two major books are to
democratic capitalism what Marx’s Das Kapital is to socialism.

1. Adam Smith’s two major books are to democratic
        capitalism what
2. Adam Smith’s two major books are to democratic
        capitalism like
3. Adam Smith’s two major books are to democratic
        capitalism just as
4. Adam Smith wrote two major books that are
        to democratic capitalism similar to
5. Adam Smith wrote two major books that are to
        democratic capitalism what

这句话什么意思啊。答案E:books that are to democratic capitalism中democratic是形容词呀，所以若后面加what，那岂不是把democratic当成动词了？D又错在哪里呢？

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? Q4:

A new hair-growing
drug is being sold for three times the price, per milligram, as the
drug’s maker charges for another product with the same active ingredient.

1. as
2. than
3. that
4. of what
5. at which        
                       答案是D，这个题是在考哪个知识点呢？还望XDJM指点

考点是都是比较结构中的对称原则.

Q13是个特殊结构 A to B is C to D  A就B而言相当于C就D而言.                                 democratic当然是形容词,  democratic capitalism 等于socialism

Q4 xx times sth 某某的多少倍

of...介词短语修饰the price.

对称的是价格, the price =  what the drug's maker charges..... 

of...介词短语修饰the price.

对称的是价格, the price =  what the drug's maker charges..... 

这两题我现在都不会，第一题没有什么道理，据说是一个习惯用法。

第2题也不懂 ：（  你弄明白了，要告诉我哦

ｍｅ　ｔｏｏ

第2题历史争议题答案在C,D之间争议着,我倾向选D

第1题思故MM解释的很好,此题也是托福语法题,LZ最好自己搜索GWD讨论贴,因为我不知道你做的是GWD第几套,没法帮你搜了 呵呵

1。插入语“, per milligram, ”使句子分散成为非限制性定语从句，非限制性定语从句中通常只能用which不能用that， 且非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开在。我们这道题可不是附加说明而是必要解释。

2. 即便跳过插入语“, per milligram, ”来看，认为它是限制性定语从句。C选项的that所代替的先行词在从句中作宾语，此时必须省略（GMAT）。中学语法只说可以省略。