专四考试第四部分是语法词汇题共有三十道题，同学们平时复习专四语法知识的同时可以做做专四全真模拟练习题。

　　1. One of the requirements for a fire is that the material ____to its burning temperature.

　　A. be heated B. is heated C. would be heated D. to heated

　　2.____ will Mr. Forbes be able to regain control of the company.

　　A. With hard work B. Only if he works hardly C. In spite of his hard work D. Only with hard work

　　3. ____ is no reason for discharging her.

　　A. Because she was a few minutes late B. Owing to a few minutes being late

　　C. The fact that she was a few minutes late D. Being a few minutes late

　　4.____ what may, we’re not going to make any concessions to his unreasonable demands.

　　A. Come B.Came C. Coming D. Having come

　　5. Every means ____ tried out but never with success, as far as my knowledge goes.

　　A. is B. are C.has been D. have been

　　答案解析：

　　1.A)

　　【句意】形成火的条件之一是该材料能够被加热到燃烧的温度。

　　【难点】A)项requirement 这个词和idea, suggestion等一样，要求从句里的谓语动词用(should)+动词原形。2.D)

　　【句意】只有通过艰苦的工作，福比斯先生才能重新控制公司。

　　【难点】only+状语放在句首时，具有强调作用，谓语必须倒装。

　　3.C)

　　【句意】只是迟到了几分钟，并不能成为解雇她的理由。

　　【难点】A)，B)均不能充当句子主语，C)The fact 后跟that引出的同位语从句，D)Being 是动名词。但D)中的名词being没有行为主体，未说明谁迟到，所以排除。

　　4.A)

　　【句意】无论发生什么事情，我们都不会对他无理的要求做出让步。

　　【难点】come what may 是一个固定的用法，其中come总是用原形动词，在这一用法中，主谓必须倒装，此句相当于whatever may happen (不管发生什么情况)。

　　5. C)

　　【句意】就我所知，每种方法都试过了，但都没有成功。

　　【难点】means虽以s结尾却是单数形式，因此谓语动词应选用第三人称单数。