21.This is a purely _______ problem, not a political one.

　　A. additional B. advantage

　　C. announce D. academic

　　22.The _______ TOEFL score for entering this program is 600.

　　A. less B. sandy

　　C. stain D. minimum

　　23.The best example of a paradox is the proverb ‘More _______, less speed’.

　　A. haste B. range

　　C. possession D. purse

　　24.This company provides a very good _______ service for its products.

　　A. maintenance B. merit

　　C. philosophy D. pigeon

　　25.There is more _______ in meat than in vegetables.

　　A. dam B. protein

　　C. cash D. bloody

　　26.Do not _______ in the exam. This will do you no good.

　　A. coin B. disaster

　　C. cheat D. resort

　　27.Because of the boring _______, we need to take a vacation every year.

　　A. routine B. surgery

　　C. rifle D. sake

　　28.We need to _______ the purpose of the experiment again.

　　A. clarify B. cheek

　　C. claim D. clap

　　29.I _______ great success for my study in this university.

　　A. disgust B. proceed

　　C. pioneer D. anticipate

　　30.From the _______ from this examination, we know it is too easy for the students.

　　A. feedback B. frost

　　C. outline D. overlook

　　31.He drove very fast to _______ that red car.

　　A. scatter B. overtake

　　C. site D. sponsor

　　32.Slides are sometimes called ________ film.

　　A. whistle B .vigorous

　　C. robot D. transparent

　　33.Professor Smith _______the most important part in his paper.

　　A. omitted B. disputed

　　C. designed D. chased

　　34.This knife is made of steel _______ it can be used for a long time.

　　A. mixed B. alloy

　　C. champion D. grasp

　　35.The theory of _______ was developed by Darwin is now understood by nearly everybody in the world.

　　A. determination B. distribution

　　C. discipline D. evolution