affect VS effect

　　affect是动词，意思是“影响”

　　effect是名词，意思是“影响”

　　例题:

　　This effect, my mother explained, was the result of two techniques.

　　A. NO CHANGE

　　B. affect,

　　C. affect

　　D. effect

　　解析：

　　划线部分是主语，所以必须选名词effect，所以选A

　　contract VS compress

　　contract词性是动词，意思是收缩(自动)

　　e.g. The plastic toy contracts when it is cooled.

　　compress词性是动词，意思是压缩(人为的)

　　e.g. Poor posture compresses the body’s organs.

　　例题:

　　The engineers called in local firefighters in the hope that spraying the leg with water to cool it would make it contract.

　　A.NO CHANGE

　　B. reduce.

　　C. decrease.

　　D. compress.

　　解析：

　　句子意思是遇冷自动收缩，所以应该选“contract”A

　　allusion VS illusion

　　illusion是名词，意思是“幻觉”，常见搭配是“illusion of sth.”

　　e.g. This new window can give the illusion of extra height.

　　allusion是名词，意思是 “影射，间接提到”，常见搭配是“allusion to”

　　e.g. He made an allusion to a secret plan in his speech.

　　例题：

　　We also find illusions of Shakespeare’s words in film.

　　A. NO CHANGE

　　B. illusions to

　　C. allusions of

　　D. allusions to

　　解析：

　　根据句意应该选择“影射”所以选D