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【单选题】
关于气雾剂不正确的表述是()。A.
按气雾剂处方组成可分为二相和三相气雾剂
B.
二相气雾剂一般为溶液型气雾剂
C.
按给药途径可分为吸入气雾剂、非吸入气雾剂和外用气雾剂
D.
气雾剂需要借助抛射剂
E.
气雾剂比雾化器治疗时间长
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A.
感知运动阶段
B.
前运算阶段
C.
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D.
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A.
died from
B.
died for
C.
died in
D.
die of
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A.
They want to know if they get prepared for the future.
B.
They consider it beneficial to their future lives.
C.
They pay too much attention to their self-improvement.
D.
They overemphasize their progress in the past year.
【简答题】SolidWorks零件造型时，可以用集合运算中（ ）的概念造型具有内部复杂型腔的结构形状。（从“差”、“并”、“交”中选择）
【单选题】Friendship is a topic close to all our hearts, for none of us would choose to live ____ friends, the source of so many of our ______ moments.
A.
with; saddest
B.
without; sadest
C.
with; happiest
D.
without; happiest
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A.
感知运动阶段
B.
前运算阶段
C.
具体运算阶段
D.
形式运算阶段
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