A. Not received B. Since receiving C. Having received D. Not having received
（D，receive的主语是she，因此应是主动，A不对；receive的动作在主句谓语动词之前发生，所以要用分词的完成形式，否定应是not having done.）
16. ____ at in this way, the present economic situation doesn’t seem so gloomy. (2000)
A. Looking B. Looked C. Having looked D. To look （B,）
17.There __ nothing more for discussion, the meeting came to an end half an hour earlier. (2000)
A. to be B. to have been C. being D. be （C．前面分句构成独立主格结构。）
18._____ no cause for alarm, the old man went back to his room. (1996)
A. There was B. Since C. Being D. There being
(D．C中的现在分词短语的逻辑主语不是主句的主语。)
19.The country’s chief exports are coal, cars and cotton goods, cars _____ the most important of these. (1994)
A. have been B. are C. being D. are being (C．ABD都会使后半部分构成完整的句子，但句中用的是逗号，不能是完整句子。)
20.Agriculture is the country’s chief source of wealth, wheat _____ by far the biggest cereal crop. (2003)
A. is B. been C. be D. being
(D，同上。“农业是这个国家的主要财源，目前小麦是谷物中产量最大的。”)
21.If not _____ with the respect he feels due to him, Jack gets very ill-tempered and grumbles all the time. (2004)
A. being treated B. treated C. be treated D. having been treated (B，If (Jack is) not treated…“如果没有受到他觉得应得的尊敬，杰克的脾气就会变得很坏，并且不停地抱怨。”)
22. Time _____, the celebration will be held as scheduled. (2003)
A. permit B. permitting C. permitted D. permits
(B，“时间允许的话，庆祝活动将按计划进行”。time和permit是主动关系。)
英语专业四级考试真题语法要点解析：名词性从句。 名词性从句
1.We can assign the task to ______ is capable and trustworthy. (1994)
A. whomever B. who C. whom D. whoever
（D，介词to后面是个宾语从句，从句缺主语；whom和whomever虽然可以接宾语从句，但它们不能在从句中作主语，AC不对；whoever语义比who强烈，更贴切。)
2.The team can handle whatever _____. (1997) A.
that
needs
handling
B. which needs handling
C. it needs handling
D. needs to be handled
(D，whatever引导的分句作handle的宾语，又在从句中作主语，因此不需要再加任何其他主语，ABC都有多余的主语成分。)
3. After __ seemed an endless wait, it was her turn to enter the personnel manager’s office. (1999)
A. that B. there C. what D. it
(C，after在句中时介词还是连词？如果是连词，从句中的时态通常为完成体，所以排除连词的可能性。既然after是介词，那么后面必定是宾语从句，后面的从句缺主语，只有what既引导宾语从句，又在宾语从句中作主语；BD都不能引导宾语从句。A虽然可以引导宾语从句，但不在从句中充当任何语法成分。)
4.Have you ever been in a situation _____ you know the other person is right yet you cannot agree with him? (2002)
A. by which B. that C. in where D. where
(B，situation后的从句是对situation作出具体的解释，因此是同位语从句。)
5 After ____seemed an endless wait, it was his turn to enter the personnel manager’s office.
A that B it C what D there
6 Quality is _______counts most .
A which B that C what D where
英语专业四级(TEM4、TEM4)重要语法点:not+比较级+than,no+比较级+than。
not + 比较级 + than, no + 比较级 + than
1. John is _______ hardworking than his sister, but he failed in the exam. (1998)
A. no less B. no more C. not less D. no so
(A，“约翰的用功绝不亚于他姐姐，可是这次考试他却没及格。”not less than只是比较约翰和他姐姐，没有强调约翰非常用功。)