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【单选题】
,28岁,排便时及排便后剧烈疼痛,粪便表面带少量鲜血,应考虑为A.
一期内痔
B.
二期内痔
C.
血栓性外痔
D.
肛裂
E.
直肠息肉
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【简答题】我国煤炭分类是按照表征 的参数( Vdaf , Pm )和表征 的参数( G,Ymm , b )相结合进行分类,通常分为 、 和 三大类。
【单选题】The p roject was complete d one week ahead of time, _____ was a b ig surprise to all of us .
A.
which
B.
that
C.
whose
D.
what
【单选题】Tom turned round from time to time, as if______for someone in the crowd.
A.
searching
B.
searched
C.
to search
D.
to have
【简答题】听下面一段材料，回答第1-4题。 1. What is the best way to learn to behave in the working world? A. more friends. B. Taking university classes. C. Following good examples. 2. From whom can young people learn ...
【单选题】The police _____ the missing boy everywhere when he suddenly appeared in a theatre. [ ]
A.
were searching for
B.
are searching for
C.
were searching
D.
is searching for
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