皮皮学，免费搜题
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【单选题】
当截平面垂直于柱轴时，截交线为（）A.
圆
B.
直线
C.
椭圆
D.
曲线
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He asked his teacher______. [ ]
A.
if there was a monster in Loch Ness
B.
when was Albeit Einstein born
C.
how would the scientists find out the result
D.
where could find the library
【简答题】钢结构常用的钢材有哪些 ?构件连接有哪些方式?
【简答题】钢结构常用的钢材有哪些？构件连接有哪些方式？
【简答题】钢结构常用的钢材有哪些?构件连接有哪些方式?
【简答题】钢结构常用的钢材有哪些？构件连接有哪些方式？
【单选题】关于雌激素的生理作用的叙述,下列哪项是错误的:
A.
使输卵管平滑肌活动增强
B.
促进阴道上皮细胞增生，角化，并合成大量糖元
C.
促进肾小管对钠，水的重吸收
D.
子宫内膜增生变厚，腺体分泌
E.
刺激乳腺导管和结缔组织增生，产生乳晕
【单选题】The monster asked Freankenstein to make a ______ for him.
A.
father
B.
friend
C.
wife
D.
mother
【单选题】— What does the monster look like? — The tongue of the monster can be extended ______ of its body. [ ]
A.
more than twice the length
B.
twice more than the length
C.
more than the length twice
D.
more twice than the length
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