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【单选题】
液体 A 与液体 B 不。在一定温度 T ,当有 B 存在时,液体 A 的蒸汽压为A.
与体系中 A 的摩尔分数成比例
B.
等于 T 温度下纯 A 的蒸汽压
C.
大于 T 温度下纯 A 的蒸汽压
D.
与 T 温度下纯 B 的蒸汽压之和等于体系的总压力
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举一反三
【单选题】He ______ John now. [ ]
A.
is talking
B.
talking with
C.
talks with
D.
is talking with
【单选题】关于溶骨型骨肉瘤骨质破坏区的X线表现,叙述错误的是( )
A.
斑片状骨破坏
B.
大片状溶骨性骨破坏
C.
破坏区内无骨化或钙化影
D.
Codman三角
E.
软组织肿块中常见瘤骨
【单选题】What are they talking about?
A.
They are talking about building a house.
B.
They are talking about their modern house.
C.
They are talking about things.
【单选题】关于溶骨型骨肉瘤骨质破坏区的X线表现,叙述错误的是( )
A.
斑片状骨质破坏
B.
大片状溶骨性破坏区
C.
破坏区内无骨化或钙化影
D.
Codman三角
E.
软组织肿块中常见瘤骨
【单选题】—Do you teach ______ English in your spare time? —Yes, I do. [ ]
A.
you
B.
your
C.
yourself
【单选题】What are they talking about?
A.
They are talking about building a house.
B.
They are talking about their modem house.
C.
They are talking about things.
【简答题】What would you do if you your joh?
【单选题】What are they talking about?
A.
They are talking about building a house.
B.
They are talking about their modem house.
C.
They are talking about thin
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