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【单选题】
下图为A,B二元体系的t-x图,当组成为M的溶液缓缓冷却至温度t 1 时, 若以纯固体为标准态,则液相中 A 的活度:A.
a A >1
B.
a A =1
C.
a A <1< /div>
D.
a A =0
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【简答题】A child shorter than 1.2 meters (accompanied by an ) can travel ______________.
【单选题】Only ______________ child shorter than 1.2 meters can travel free with an adult.
A.
one
B.
two
C.
three
D.
four
【简答题】一患者被人搀扶着步入医院，接诊护士看见其面色发绀，口唇呈黑紫色，呼吸困难，询问病史得知其有慢性阻塞性肺疾病史。 需立即对其进行的处理是A．为患者挂号 B．不作处理，等待医生到来 C．鼻塞法吸氧 D．电击除颤 E．人工呼吸 患者吸氧时，氧流量应控制在A．1～2T／min B．2～4L／min C．4～6L／min D．6～8L／min E．8～10L／min
【单选题】Only one child shorter than 1.2 meters can travel free with an adult. ______________ child need to buy a half-price ticket.
A.
The other
B.
One another
C.
Each other
D.
The one
【单选题】Only one child shorter than 1.2 meters can travel free ______________ an adult.
A.
along
B.
with
C.
among
D.
of
【简答题】Only one child shorter than 1.2 meters can travel free with an . ______________ child need to buy a half-price ticket.
【单选题】A child shorter than 1.2 meters (accompanied by an adult) can travel ______________.
A.
fear
B.
fire
C.
fare
D.
free
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