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Important Points 专四主要考点
副词的位置
频率副词always, often, frequently, seldom, never, ever, usually , rarely, occasionally, no sooner, hardly, scarcely等以及just, shortly等其他副词必须放在助动词、情态动词或be动词与实义动词之间。在省略结构中，这些副词必须放在助动词、情态动词或be 动词之前。
Examples
We ___ our breakfast when an old man came to the door.
A. just have had B. have just had C. just had had D. had just had
San Francisco is usually cool in the summer, but Los Angeles ____.
A. is rarely B. rarely is C. hardly is D. is scarcely
程度副词的位置
程度副词的位置通常放在所修饰的词前面， 如very, much, almost, hardly, nearly, awfully, fairly, rather等。但enough必须放在所修饰词的后面。
How I wish John recognized the fact that he ___ in the wrong.
A. is always nearly B. always is nearly C. is nearly always D. nearly is always
频率副词的位置
频率副词如always, usually, never, ever, just, shortly, seldom, hardly, scarcely, no sooner, rarely, occasionally常放在助动词、情态动词、或be动词后或实义动词之前，但在省略结构中，必须置于助动词、情态动词或be动词之前。
San Francisco is usually cool in summer, but Los Angeles ____. (91.6)
A. is rarely B. hardly is C. rarely is D. is scarcely
评注性副词的位置
对全句进行修饰的评注性副词如actually，fortunately, surely, certainly, briefly通常放在句首，并用逗号隔开。
Not ____, the process of choosing names varies widely from culture to culture. (93.6)
A. obviously B. particularly C. surprisingly D. normally
同根形容词
When ___ scientists first suggested the possibility that one person could speak directly to another over a long distance, few people took them seriously.
A. imaginable B. imaginative C. imaginary D. imagination
The car is quite ___ of petrol.
A. economic B. economical C. economics D. economy
同根形容词
No one imagined that the apparently ___ businessman was really criminal.
A. respectful B. respectable C. respective D. respecting
This is a well ___ plan.
A. considered B. considerate C. considerable D. considering
易混淆的同根形容词
Considerable
Historic（历史上重要的）
Confident
Favorable
Industrial
Comparative
Incredible
Continual （连续不断的）
Economic （经济的，经济学的）
对比：
Considerate （体贴的，周到的）
Historical
Confidential
Favorite
Industrious
Comparable（可比的）
Incredulous （不轻信的）
Continuous （持续的）
Economical （节约的，合算的）
