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【单选题】
男性患者，28岁。一天前出现发热、恶心、呕吐，腹泻7次，伴里急后重。便培养示志贺痢疾杆菌生长。其腹泻的发生机制是A.
肠黏膜的吸收面积减少或吸收障碍
B.
黏膜炎症、溃疡等致血浆、黏液、脓血渗出
C.
肠蠕动进致肠内食停留时间少
D.
胃肠黏膜分泌过多的液体
E.
肠内容物渗透压增高
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举一反三
【单选题】I got in touch with Charles ________ I received his letter.
A.
when immdeiately
B.
immediately
C.
soon
D.
suddenly
【单选题】— Have you got in touch with Tom? — Oh, sorry.I couldn't________his phone number at that time. [ ]
A.
think out
B.
think about
C.
think of
D.
think over
【简答题】If it ______ _______ _______(要不是)your mobile phone, I couldn’t have got in touch with her.
【单选题】I got in touch with Charles ________ I received his letter.
A.
when immediately
B.
soon
C.
immediately
D.
suddenly
【简答题】在茎的初生结构中,初生韧皮部的分化方式为_____,先分化的是_____韧皮部,后分化出来的是_____韧皮部,初生木质部的分化方式为_____。
【单选题】I got in touch with Charles ________ I received his letter.
A.
when
B.
soon
C.
immediately
D.
suddenly
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