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【单选题】
在同种固体材料中，纵波声速CL横波声速CS表面波声速CR之间的关系是：（）A.
CR>CS>CL
B.
CS>CL>CR
C.
CL>CS>CR
D.
以上都不对
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【单选题】听力原文：W: I'd like to invite the Kramers to my birthday party, but I lost their telephone number for my handbag was stolen last month. M: Don't worry. I think my son can give you their phone number sinc...
A.
The woman is going to ask the Kramers for their address.
B.
The woman is going to mail the Kramers an invitation.
C.
The man's son and Miss Kramer are working in the same company.
D.
The man's son and Miss Kramer are studying in the same school.
【多选题】核心价值观和核心价值体系都坚持重在建设,就是要( ),形成全民族奋发向上、团结和睦的精神纽带,使我们的国家、民族、人民在思想上和精神上强大起来,更好地坚持中国道路、弘扬中国精神、凝聚中国力量。
A.
凝聚精神力量
B.
引领道德风尚
C.
弘扬社会主义精神
D.
弘扬共同理想
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