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【单选题】
气体具有如下性质（ ）。A.
无固定形状又无一定体积
B.
无固定形状而只有一定体积
C.
无一定形状而只有固定体积
D.
有固定形状和一定体积
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皮皮学刷刷变学霸
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【单选题】患者，30岁，月经一向正常，现在是月经干净后第7天，宫颈粘液涂片见布满直而细长、分支繁杂的羊齿叶状结晶。应考虑的是( )
A.
黄体期
B.
月经前
C.
排卵后
D.
接近排卵
E.
已妊娠
【简答题】A．the icebox B．the ice C．scientific answers D．the experiment E．the world F．Water When your child asks you questions, you should give her ______.
【单选题】When Pele was only 17, he played his first ____________.
A.
Olympic games
B.
Football game
C.
World Cup final
D.
Final
【单选题】When he was 17, Pele turned down big offers abroad because (4).
A.
the clubs did not offer him enough money
B.
he wanted to stay with his family
C.
he loved his club
D.
he did not believe the offers
【简答题】在新生儿窒息抢救时，首先应采取的措施是_____。
【简答题】A．He played soccer when he was very young. B．He was the son of Pele. C．His son also played soccer. D．lie played soccer because of Pele.
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