202.[答案]A. puzzled.[详解]be (feel, get) puzzled感到迷惑、为难。

　本题译文：人们不得不感到迷惑，因为他们简直不能理解，他怎么能犯这样愚蠢的错误。

201.[答案]C. unique.[详解]unique(=being the only one of its type)同类事物中独一无二的。如：This stamp is unique; all others like it have been lost or destroyed.

300. I shall take you back to Beijing _____ you are well enough to travel.

　A. presently B. promptly C. immediately D. shortly

答案解析

299. Our house is the most _____ one in the street; it is painted red.

　A. permanent B.indifferent C.predominant D. prominent

298. It has been laid down that each student must _____ a composition to the teacher once a week.

　A. turn in B. give up C. put forward D. bring out

297. Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.

　A. pile up B. build up C. keep up D. pull up

296. Having said he would mend the clock, he discovered that he had not brought the _____ tools for the job.

　A. concise B. correct C. right D. precise

295.The country needs a _____ government. We have had three Prime Ministers in a year.

　stant D.stable

294. There is a 20 minute parking _____ here, so we must get back to the car very quickly.

　A. freedom B. limit C. allowance D. prohibition

293. Because of the poor harvest, wheat prices have _____ in the last six months.

　A. added B. jumped C. amounted D. developed