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【单选题】
你觉得这部电影怎么样?A.
How do you think of the movie?
B.
How do you find the movie?
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举一反三
【单选题】Mr. Smith couldn’t open the door because his naughty boy ______ it from the inside.
A.
would lock
B.
was locking
C.
has locked
D.
had locked
【单选题】在反应体积 1m 3 间歇反应器中等温进行一级不可逆反应 A → R ,当转化率达 90 %时,所需反应时间为 2h ,若反应条件不变,反应体积改为2 m 3, 则 2h时 转化率为( )
A.
60%
B.
90%
C.
45%
D.
75%
【单选题】一 Where have you been all day? — I _____ some former classmates and I couldn't get back until it was dark. [ ]
A.
have met
B.
met
C.
would meet
D.
had met
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