2010年12月英语四六级考试语法提高练习(3)

　　21.The doctors _______ the medicines to the people in the flood area.

　　A. distributed B. packed C. prayed D. undertook

　　22.Much of the news provided by this newspaper is _______, not foreign.

　　A. domestic B. strain C. purchase D. murder

　　23.He tried to _______relations with his former wife but he failed.

　　A. measure B. maintain C. shelter D. reply

　　24.He _______ to study harder in the future so that he could have more opportunities to find a better job.

　　A. resolved B. resorted C. requested D. reserved

　　25.The _______ work continued for more than a week but there was still no sign of the missing boy.

　　A. research B. rescue C. vessel D. vast

　　26.Many kinds of animals are believed to have _________ from the earth

　　A. withdrawn B. vanished C. found D. hung

　　27.The engineers in this lab spent several weeks _______ their plans for the new bicycle.

　　A. counting B. stripping C. elaborating D. casting

　　28.Pine trees are usually believed to _______ cold weather.

　　A. guard B. accomplish C. roar D. endure

　　29.Free medical service is _______ to nearly all the college students in China.

　　A. favorite B. available C. convenient D. average

　　30.After working for twenty hours without any rest, the doctors were _______.

　　A. exhausted B. mounted C. wrapped D. restored

　　21.A 22.A 23.B 24.A 25.B 26.B 27.C 28.D 29.B 30.A