大学英语四级考试涉及的语法知识点多、涉及面宽。对不少考生来说都是一个难题，希望通过本专题的学习，考生能对四级语法有更全面的掌握！

从句的判别和应用：

eg：Weather she will come or not is unknown.（主语从句）

It is unknown weather he will come or not.（主语从句）

I don't know weather he will come or not.（宾语从句）

The question is weather he will come or not.（表语从句）

The question weather he will come or not is not settled.（同位语从句）

例：09年6月真题 __________(很多人没有意识到的)is that Simon is a lover of sports , and football in particular .

what many people didn't realize

例：08年12月真题

It was very dark, but Mary seemed to (本能地知道该走哪条路) .

know which way to take by instinct 宾语从句

例：07年12月真题

In my sixties, one change I notice is that _________________ (我比以前更容易累了).

I feel/get tired more easily than before

例：真题08年6月

Global warming may or may not be the great environmental crisis of the 21st century, but- regardless of whether it is or isn't - we won't do much about it.

例： Because they usually receive the same score on standard examinations. There is ofen disagreement at who is the better student, Bob or Hellen？

例：真题08年12月

Your resume should attract a would-be boss's attention by demonstrating _____ (为什么你是某个特定职位的最佳人选). 宾语从句

why you would be the best candidate for a certain position.

例： Since my childhood I have found that ________ (没有什么比读书对我更有吸引力).

nothing is more attractive/appealing to me than reading

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