>>>>2015大学英语六级语法暑期精讲练习及答案汇总

　　1.In India more than one hundred languages are spoken,__1___ which only fourteen are recognized as official.Many foreigners are curious about that how they understand others and communicate with others. And the mystery that different languages create the same ancient culture also attracts the overseas students. So,the course normally attracts 20 students per year,___2___up to half will be from overseas.

　　1.[a]of [b]in [c]with [d]within

　　2.[a]in which [b]for whom [c]with which [d]of whom

　　2.The goals, fame and wealth,___3____he had fought all his life no longer seemed important to him.Tom took only such men and things_____4___he really needed into the jungle with him.He wanted to seek a new and different experience, and explore the nature of life.

　　1.[a]after which [b]for which [c]with which [d]at which

　　2.[a]which [b]that [c]as [d]who

　　1.选a.该题考查定语从句引导词前介词的选择。定语从句可以由“介词+which/whom”来引导，介词的选择取决于从句动词的搭配关系以及从句本身的意义。本题中which代表前面的one hundred languages,根据句意，其中14种被定为官方语言，这是一种部分与整体的关系，所以关系代词前面的介词要用of.

　　2.选d.该题考察非限定性定语从句。观察句子结构及四个选项可以看出这里需要一个“介词+关系代词”的结构引导定语从句，因其先行词为人(20students)，且从句中需一个表范围的词，介词of表示“在一群人当中有一个或几个”

　　3.选b.该题考点为“介词+关系代词”引导的定语从句。关系代词which代表goals在从句中作fight for的宾语。

　　4.选c.该题考查such….as引导定语从句。As为关系代词，在该从句中为宾语。

　　1.A more conclusive answer about life on Mars,past or present, would give researchers invaluable data about the range of conditions under which a planet can generate the complex chemistry that leads to life.

　　2.The Bush administration seems bent on satisfying the small but vocal group of Americans who oppose stem cell research under any conditions.

　　答案

　　1.【解析】该题考察which引导定语从句的用法。Past or present是插入成分，补充说明life on Mars.which 引导定语从句，修饰conditiona,which在从句中作方式状语，前面加介词under.

　　【句意】有关火星上过去和现在是否存在生命的更加确凿的答案，将向研究人员提供以下方面的珍贵数据，即行星在什么条件下能够导致最终产生生命的复杂化学反应。

　　2.【解析】该句为主从复合句。主句是the Bush administration seems bent on satisfying the small but vocal group of Americans,定语从句who oppose stem cell research under any conditions来修饰Americans.

　　【句意】少数人呼声不断，坚决反对出于任何目的的干细胞研究，布什政府似乎已经屈从于满足这些人了。

　　1.The road of life is long,but only a few steps are crucial especially during some years_______(当人年轻的时候)

　　2.April Fool’s Day is that special day of the year______(在这一天你可以捉弄别人)

　　答案

　　1.when people are young

　　【解析】该题考察when 引导定语从句的用法。when 在定语从句中充当时间状语，相当于“in which”

　　2.when you should play a joke on someone

　　【解析】该题考察when 引导的定语从句。When只能对that special day of the year这类表示时间的名词进行修饰。

　　翻译：

　　Therefore,with every increase of knowledge and skill,wisdom becomes more necessary,for every such increase augments our capacity for realizing our purposes,and therefore augments our capacity for evil,if our purposes are unwise.

　　【妙译】因此，随着知识和技术的增加，更加需要智慧，因为知识和技术的每一次增长都会增强我们到达目标的能力，当然如果我们不智慧，也能增强我们作恶的能力。

　　【点拨】该句为一个复合句，其主干为“wisdom becomes more necessary”。With引导的短语构成伴随状语;for 在本句中引导原因状语从句，在该句原因状语从句中，包含一个由if引导的条件状语从句。

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