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【多选题】
平滑肌纤维的特点是A.
. 呈长梭形
B.
无横纹
C.
可有分支
D.
有 1 个细胞核
E.
肌原纤维明显
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反馈参考答案：
举一反三
【单选题】Do you know when _________ he ________ the Football Club ? And how long ______ he _______ it ?
A.
did join ; has been
B.
did join in ; have been a member of
C.
did join ; has been in
D.
has joined ; has been a member of
【单选题】—_____did he hiccup? —He hiccupped for 36 years and 3 months. [ ]
A.
How long
B.
How soon
C.
How often
【单选题】—He is fluent in English because he once stayed in London。 —Really ?How long ____ there ?
A.
did he live
B.
has he lived
C.
had he lived
D.
does he live
【简答题】已经感染或疑似感染 新型冠状病毒的病人, 拒绝 执行卫生防疫机构依照传染病防治法提出的 预防、控制 措施,后果是什么?
【单选题】--“How long did it take you to realize that he was dishonest?” --“I _______ from the start。”
A.
looked him out
B.
looked him over
C.
saw him out
D.
saw him through
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