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【单选题】
肺动脉瓣区第二心音亢进,并伴固定分裂的先天性心脏病A.
房间隔缺损
B.
室间隔缺损
C.
法洛四联症
D.
肺动脉狭窄
E.
动脉导管未闭
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举一反三
【单选题】On the top of the hill ______ an ancient tower with a history of more than 1, 000 years.
A.
stood
B.
ran
C.
came
D.
lived
【单选题】Between 1990 and 1992, there were more than 1,000 closedowns in that industry, all of which _____job losses.
A.
were bound to
B.
adapted to
C.
led to
D.
devoted to
【单选题】A survey of more than 1,000 philosophers, teachers and students by the authoritative Philosophers' Magazine placed Charles Darwin's The Origin of ______ as the third most important work.
A.
Sperms
B.
Species
C.
Spectrums
D.
Specimens
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