皮皮学，免费搜题
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【单选题】
两平面平行,则必须( )A.
两平面形状类似
B.
两平面内有两组相交的线分别平行
C.
两平面内有两组平行相交的线分别平行
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皮皮学刷刷变学霸
举一反三
【单选题】Questions 9 to 12 are based on the conversation you have just heard.
A.
Cages should be removed from the zoos.
B.
Wild animals should not be rescued.
C.
Animals should live their own way.
D.
Zoos should not prolong animals?life.
【单选题】Questions 9 to 12 are based on the conversation you have just heard.
A.
To show the woman around his neighborhood.
B.
To share the apartment with the woman.
C.
To buy a new set of furniture.
D.
To contact the landlord soon.
【单选题】12 Questions 9 to 12 are based on the conversation you have just heard.
A.
Cages should be removed from the zoos.
B.
Wild animals should not be rescued.
C.
Animals should live their own way.
D.
Zoos should not prolong animals' life.
【简答题】生长发育的规律:1生长发育的连续性和()性 2生长发育速度的()性 3生长轨迹现象和生长关键期 4生长发育的()差异
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