学习质量与能量、热与体积、遗传结构与变异等概念之间的关系属于()
A.上位学习
B.下位学习
C.并列结合学习
D.符号学习
参考答案:C
尚明要到离家5千米的某地开会,若他6时出发,计划8时前赶到,那么他每小时至少走______千米.
If I can help____________ , I prefer living in Hangzhou because the weather here is better than ____________of Changsha.
A.that; that
B.it; that
C.that; one
D.it; it