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【简答题】
在常温常压下,( )的烷烃为气态;( )的直链烷烃呈液态。
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皮皮学刷刷变学霸
举一反三
【单选题】Why couldn’t Pepita find Miguel’s footsteps or catch his scent at Shantytown?
A.
Because it had no more magic power.
B.
Because Miguel wasn’t in the Land of the Dead then.
C.
Because Dante helped him hide away.
D.
Because it was the land of the forgotten. Nothing there lasted for very long.
【单选题】What would happen if Miguel couldn’t get back before sunrise?
A.
He would die,completely turning into a skeleton and could never go back as a living person.
B.
He could become a musician in spite of his family’s curse.
C.
He couldn’t play music as he liked.
D.
Nothing would happen.
【单选题】老师在组织规则游戏时,发现有孩子开小差。老师应采取的措施是
A.
点名批评，制止这种行为
B.
继续游戏，完全视而不见
C.
大发雷霆，把幼儿赶出活动室
D.
轻拍幼儿，提醒幼儿集中精力
【简答题】正弦函数 y=sinx 是 函数(奇偶性)
【单选题】下列选项中符合城市的定义的是（ ）
A.
一种防御性的构筑物
B.
具有商业和手工业职能的聚落
C.
以从事农业活动为主的人口的集聚地
D.
有着商品交换和防御职能的居民点
【简答题】判断奇偶性:正弦函数y=sinx 是 函数(填空:奇或偶)
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