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【单选题】
神经纤维中相邻两个锋电位时间间搁至少应大于其A.
相对不应期
B.
绝对不应期
C.
超常期
D.
绝对不应期和相对不应期
E.
低
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举一反三
【单选题】– You look very tired this morning. What did you do last afternoon? -- I did _______ Christmas shopping.
A.
a number of
B.
a few of
C.
a lot of
D.
a piece of
【单选题】You look very tired. You ____ too hard these days.
A.
could have worked
B.
ought to have worked
C.
should have worked
D.
must have worked
【单选题】—You look very tired this morning. What did you do yesterday afternoon? —I did Christmas shopping. [ ]
A.
a lot of
B.
a few of
C.
a number of
D.
a piece of
【单选题】—You look very tired_______at all last night?—N
A.
7. —You look very tired_______at all last night? —No,not really.I’m stired out now. ( 全国 2) A.Do yousleep
B.
Were you sleeping
C.
Did yousleep
D.
Had you slept
【单选题】You look very tired. You ____ late last night.
A.
needn’t sit up
B.
didn’t need to sit up
C.
shouldn’t sit up
D.
needn’t have sat up
【单选题】You look very tired and you must have been preparing for the coming examination yesterday evening, _________ you ?
A.
didn’t you
B.
haven’t
C.
weren’t
D.
hadn’t
【单选题】陈先生,45 岁,腹泻多次,粪便呈果酱样,诊断为阿米巴痢疾,医嘱用灭滴灵灌肠治疗。护理措施正确的是
A.
灌肠前臀部抬高20cm
B.
液面与肛门有距离40cm-60cm
C.
灌肠时病人取右侧卧位
D.
灌入药液量应少于500ml
E.
灌入后保留30 分钟
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