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【单选题】
泵浦可激活介质内部的一种( ),使其在某些能级间实现粒子数反转分布,这是形成 激光的前提条件。A.
分子
B.
粒子
C.
原子
D.
电子
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【简答题】在西方,单词 etiquetteyi一词最初的意思是“进去法庭的通行证”,后来到英语中,用于人际交往中,人们也应遵循一定的规矩和准则,所以它便有了( )的含义,意即“人际交往的通行证”
【单选题】The doctor ordered the patient to______ all solid food for at least twenty-four hours.
A.
keep out
B.
keep away
C.
keep off
D.
lay aside
【判断题】The doctor ordered ABG for a patient with heart failure. It means the nurses need to take blood from the artery of the patient.
A.
正确
B.
错误
【单选题】The doctor ordered that the wounded soldiers ______ to the hospital without any delay.
A.
be sent
B.
have been sent
C.
will be sent
D.
must be sent
【判断题】The doctor ordered ABG for a patient with heart failure. It means the nurses need to take blood from the vein of the patient.
A.
正确
B.
错误
【单选题】The doctor ordered that the nurse ______the patient carefully.
A.
watched
B.
watch
C.
watches
D.
to watch
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