“一江春水向东流”反映了我国
A:地势呈阶梯状分布
B:地势西高东低
C:地形复杂多样
D:地形以高原、山地为主
This is my English _________.
—________ you play the piano for us?—Sorry, I can't play the piano, but I can sing for you.
——Would you mind my opening the window?——___________ It's much too hot here.
①学习需要自觉、主动、积极的态度和行为 ②大学生只在校学习就可以了
③人是在不断地学习中造就自己的 ④如果不学习,人的生命将会枯萎