1. These are our motives for doing it.

　　A. reasons  B. excuses  C. answers  D. replies

　　比较: 

　　These are our motives for doing it

　　A. reasons  B. arguments  C. targets  D. stimuli

　　分析: 略

　　2. The river widens considerably as it begins to turn west.

　　A. extends  B. stretches  C. broadens  D. bends

　　比较: 

　　The river widens considerably as it begins to turn west.

　　A. extends  B. stretches  C. broadens  D. traverses

　　分析: 略

　　3. Many economists have given in to the fatal lure of mathematics.

　　A. error  B. puzzle  C. attraction  D. contradiction

　　比较: 

　　Many economists have given in to the fatal lure of mathematics.

　　A. error  B. function   C. attraction  D. miracle

　　分析: 略

　　4. A great deal has been done to remedy the situation. 

　　A. maintain  B. improve  C. preserve  D. protect

　　比较:

　　Hundreds of years ago cloves were used to remedy headaches.

　　A. disrupt  B. diagnose  C. evaporate  D. cure

　　分析: 略

　　5. He will consolidate his power.

　　A. strengthen   B. win   C. abandon  D. unite

　　比较:

　　She has consolidated her power.

　　A. strengthened  B. won   C. hardened   D. united

　　分析: 答案都是strength. 题目内容稍作了改变， 答案的形式也稍有改变。

　　consolidate – strengthen使坚固，巩固

　　win 胜，赢

　　abandon– give up 放弃

　　unite结合；使联合

　　harden使坚固，使变硬

　　6. Many scientists have been probing psychological problems. 

　　A. solving  B. exploring  C. settling  D. handling

　　比较:

　　In their productions, choreographers of modern dance have introduced humor, protested social injustice, and probed psychological problems.

　　A. solved  B. explored  C. involved  D. disputed

　　分析: 考题题目内容简化. 其他被选项内容进行了一些改动.

　　probe – explore调查，探查

　　solve – settle – handle 解决

　　involve – include 包括

　　dispute争论，辩论