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[四级词汇语法] 2012大学英语四级时态真题训练(5)

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发表于 2012-8-14 09:56:44 | 显示全部楼层 |阅读模式
2012大学英语四级时态真题训练(5). y0 Q  y8 _6 _
1.While people may refer to television for up-to-the-minute news, it is unlikely that
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    television______ the newspaper completely. (95.6/48)
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    A. will replace   B. have replaced   C. replace    D. replaced
0 Y* J1 R, J' z* W# v: m/ u    2.The fifth generation computers, with artificial intelligence, _______ and perfected now.
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    (96.1/21)+ p7 F( x7 P; ~) ?) r. m4 }" O  B/ e$ f
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    A. developed  B. have developed   C. are being developed   D. will have been developed
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    3.It’s reported that by the end of this month the output of cement in the factory_______ by about4 P+ J8 _& m- Q. x: b9 c1 t8 b
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    10%. (96.1/39)
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& A4 \5 R0 P) @0 {! S7 Y    A. will have risen   B. has risen    C. will be rising    D. has been rising
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    4.Sir Dennis, who is 78, has made it known that much of his collection ______¬ to the nation.
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4 x( ~; m2 w/ s  L1 u$ j    (96.6/24)www.ExamW.CoM
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    A. has left   B. is to leave   C. leaves   D. is to be left
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5 q8 d& r7 c6 a8 C. V% n- ^+ k. e    5.Before the first nonstop flight made in 1949, it_______ necessary for all planes to land for% P0 K7 ?; w6 h. M
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    refueling. (96.6/25)8 u) U2 w5 s( n7 T8 q4 v7 y
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    A. would be   B. has been   C. had been    D. would have been1 _! {1 W5 l, s2 P  _! N  Z
答案:ACADC
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