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【多选题】
说“全部社会生活在本质上是实践的”。这一观点的基本含义是A.
实践是人类社会的基础，是一切社会现象最后的根源
B.
实践形成了社会生活的基本领域
C.
实践构成了社会发展的动力
D.
实践是社会生活的本质内容， 人通过实践活动认识物质世界，又通过实践活动改造物质世界，并改造人自己
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】在三包有效期内,因生产者未供应零配件,自送修之日超过() 日未修好的,修理者应当在修理状况中注明,凭发票和修理者提供的修理记录由销售者辅助未消费者调换同规格同型号商品
A.
7
B.
30
C.
15
D.
60
【单选题】听力原文：M: Janet's quite enthusiastic about camping, isn't she? W: Yes, she often goes for weeks at a time. Q: What does the woman say about Janet? (16)
A.
She hasn't gone camping for several weeks.
B.
She likes to take long camping trips.
C.
She prefers not to go camping on weekends.
D.
She takes a long time to plan her trips.
【单选题】听力原文：M: Jane likes travelling, doesn't she? W: Yes, she often goes for weeks at a time. Q: What does the woman say about Jane? (5)
A.
She hasn't gone travelling for several weeks.
B.
She likes to take long trips.
C.
She prefers not to go outing on weekends.
D.
She takes a long time to plan her trips.
【单选题】听力原文：M: Janet's quite enthusiastic about camping, isn't she? W: Yes, she often goes for weeks at a time. Q: What does the woman say about Janet? (13)
A.
She hasn't gone camping for several weeks.
B.
She likes to take long camping trips.
C.
She prefers not to go camping on weekend.
D.
She takes a long time to plan her trips.
【单选题】听力原文：M: Janetis quite enthusiastic about camping, isn't she? W: Yes. She often goes for weeks at a time. What does the woman say about Janet?
A.
She hasn't gone camping for several weeks.
B.
She likes to take long camping trips.
C.
She prefers to go camping on weekends.
D.
She takes a long time to go.
【单选题】当吸附剂用量一定时,影响本实验变压吸附效果的主要因素有哪些?
A.
吸附压力、温度、气体流量、解吸压力。
B.
吸附压力、气体流量、脱附压力、吸附时间。
C.
吸附压力、气体流量、吸附时间。
D.
温度、气体流量、脱附压力、吸附时间。
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