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【单选题】
患者,女性,74岁,慢性支气管炎喘息性发作,应用头孢类抗生素、沐舒坦、氨茶碱静脉输液治疗。请问静脉输液的原理是A.
负压原理
B.
虹吸原理
C.
液体静压原理
D.
正压原理
E.
空吸原理
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举一反三
【单选题】As I don't know _____ to take up Miss Rose's course because of her wedding leave, I have to ask her students about it . [ ]
A.
how
B.
what
C.
where
D.
whether
【单选题】I ____ that we would be able to leave soon, but it’s beginning to look difficult.
A.
hoped
B.
have hoped
C.
was hoping
D.
had hoped
【单选题】I ______ that we would be able to leave tomorrow, but it's beginning to look difficult.
A.
hope
B.
hoped
C.
have hoped
D.
had hoped
【单选题】－I my keys in the room yesterday. I had to get in the window. －It’s dangerous to do that.
A.
leave, from
B.
left, through
C.
forget, from
D.
forgot, through
【单选题】Should I leave earlier tomorrow morning? ()
A.
Yes, it's better to leave earlier to avoid the morning traffic.
B.
Yes, you will.
C.
No, you won't.
【单选题】—Excuse me, visiting hours are over．It' s time for you to leave． —I' m sorry, I didn't know the time or I ______ earlier．
A.
will leave
B.
would leave
C.
had left
D.
would have left
【单选题】I ______ that we would be able to leave tomorrow, but it's beginning to look difficult.
A.
had hoped
B.
has hoped
C.
hope
D.
hoped
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