41.You can know a man by the he keeps.

　　D. company

　　42.The river's name from an Indian chief.

　　B. originates

　　43.Susie's school work is well above .

　　B. average

　　44.Human beings have themselves to very diverse environments with the help of fire ,

　　agriculture and machines.

　　A. adapted

　　45.they stayed up late trying to out a way to solve the problem.

　　D. figure

　　46.His art criticism has brilliance but no substance.

　　A. external

　　47.The nurses do all they can to make the patients feel .

　　B. at ease

　　48.Short-term sufficiency lulled them into about the long-term threat.

　　C. complacency

　　49.The talks had been but much remained to be done.

　　A. fruitful

　　50.People have little information on the of air pollution near the factory.

　　A. extent

　　51.We are in of extra pay for extra work.

　　A. favor

　　52.There are no contradictions that are not at the meeting.

　　C. avoidable

　　53.This middle school is to a key university.

　　C. attached

　　54.Farmers will have a bumper harvest , that the whether is favorable.

　　B. assuming

　　55.This might explain the feeling I have long had about pop music.

　　A. intuitive

　　56.He came to the meeting his serious illness.

　　A. despite

　　57.Say what you mean and then there will be no misunderstanding.

　　D. precisely

　　58.Under his leadership the of expansion was carried out.

　　D. policy

　　59.The workers are well aware that if they undertake this project they will inevitably

　　many difficulties , even hazards.

　　C. encounter

　　60.The of the pill is beginning to have on the patients.

　　B. effect