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【单选题】
纵波、横波和面波(L波)之间的波速关系为A.
VP > VS > VL
B.
VS > VP > VL
C.
VL > VP > VS
D.
VP > VL> VS
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】国家食品药品监督管理总局负责的工作有()
A.
药品的行或监督和技术监督
B.
医疗器械的行或监督和技术监督
C.
化妆品的审批
D.
食品生产、经营企业的监督管理
E.
消费环节食品卫生许可
【简答题】The newly married couple lived a happy life since they ______(他们两个人彼此有很多共同语言).
【简答题】基带数据传输系统中发送滤波器的作用是()，接收滤波器的作用是()
【简答题】用物理或化学方法杀死物品上大部分微生物的过程称 ( )。使存在于物体中的所有生活微生物永久性地丧失其生活力的过程称 ( )。
【单选题】Why did the author feel miffed in his interview with Anne? (Paragraph 5)
A.
Because he fell in love with Anne at first sight.
B.
Because the author was a famous American movie star, h e expected Anne to accept the job with eagerness, as most girls would do, but Anne declined the offer.
C.
Because the author was a famous American movie star, h e expected Anne to accept the job with eagerness, as most girls would do, and Anne accepted the offer.
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