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【单选题】
烃类热裂解中二次反应有( )、烯烃环化和缩合、烯烃的加氢和脱氢、烃分解生成碳。A.
芳烃缩合
B.
芳构化反应
C.
烷基化反应
D.
烯烃的裂解
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皮皮学刷刷变学霸
举一反三
【单选题】Many doctors are still general practitioners, but the tendency is toward specialization in medicine.
A.
rumor
B.
trend
C.
prejudice
D.
security
【简答题】Many women still work under a glass ceiling, unable to earn as much as their male colleagues.
【单选题】按照我国现行《住宅设计规范》，下列说法哪条是错误的（）。
A.
低层住宅为1层至3层
B.
多层住宅为4层至6层
C.
小高层住宅为7层至11层
D.
高层住宅为10层及以上
【单选题】Many doctors are still general practitioners, but the ___________ is toward specialization in medicine.
A.
stereotype
B.
transition
C.
premise
D.
tendency
【单选题】按照我国现行《住宅设计规范》，下列说法哪条是错误的( )。
A.
低层住宅为1层至3层
B.
多层住宅为4层至6层
C.
小高层住宅为7层至11层采集者退散
D.
高层住宅为10层及以上
【简答题】A．The dentistry field is still a man's world. B．There are still not many female dentists owning their practices. C．Most of female dentists are senior partners or employers in a man's business. D．All t...
【单选题】유학은 ______을 모든 도덕을 일관하는 최고 이념으로 삼고, 수신(修身) ·제가(齊家) ·치국(治國) ·평천하(平天下)의 실현을 목표로 하는 일종의 윤리A.인
A.
의
B.
선
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