Classifying culture into active culture and passive culture is from the perspective of attitude towards nature()
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Communication occurs when two or more people interact through the exchange of messages()
混凝土在长期压力作用下,随时间延续而增长的变形称为_____()
A. 应力松弛变形
B. 收缩变形
C. 弹性后效变形
D. 徐变变形
到()年,把我国建成富强民主文明和谐美丽的社会主义现代化强国
A. 2020
B. 2035
C. 2050
D. 2040
单片机复位需要()
A. 高电平
B. 低电平
C. 脉冲
D. 下降沿