2012大学英语四级时态真题训练(5)
1.While people may refer to television for up-to-the-minute news, it is unlikely that
television______ the newspaper completely. (95.6/48)
A. will replace B. have replaced C. replace D. replaced
2.The fifth generation computers, with artificial intelligence, _______ and perfected now.
(96.1/21)
A. developed B. have developed C. are being developed D. will have been developed
3.It’s reported that by the end of this month the output of cement in the factory_______ by about
10%. (96.1/39)
A. will have risen B. has risen C. will be rising D. has been rising
4.Sir Dennis, who is 78, has made it known that much of his collection ______¬ to the nation.
(96.6/24)www.ExamW.CoM
A. has left B. is to leave C. leaves D. is to be left
5.Before the first nonstop flight made in 1949, it_______ necessary for all planes to land for
refueling. (96.6/25)
A. would be B. has been C. had been D. would have been
答案:ACADC