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【单选题】
男性，63岁，反复发生黏液稀便、腹泻、便秘4个月，脐及下腹部隐痛不适，腹平软，无压痛及肿块，粪便隐血试验(+)。发病以来，体重下降5kg。该病人最应该考虑A.
左半结肠癌
B.
右半结肠癌
C.
肠息肉
D.
肠结核
E.
直肠癌
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皮皮学刷刷变学霸
举一反三
【单选题】He was about to tell me the secret ______ someone patted him on the shoulder.
A.
as
B.
until
C.
when
D.
while
【单选题】He was about to tell me the secret ______someone patted me on the shoulder. [ ]
A.
as
B.
until
C.
while
D.
when
【单选题】He was about to make a call to Tom _____ Tom patted me on the shoulder.
A.
as
B.
until
C.
while
D.
when
【单选题】---- What happened to you? ---- I ________ in the street when someone patted me on the shoulder, which frightened me.
A.
was about to walk
B.
was walking
C.
had walked
D.
walk
【单选题】The teacher said 'well done' and ______ me on the back.
A.
beat
B.
hit
C.
knocked
D.
patted
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