——Your father never gets up late, does he?——______. It's unusual for him to be late for work this morning.
A:No, he does
B:Yes, he doesn't
C:No, he doesn't
D:Yes, he does
我国民法通则第一条规定:“根据宪法和我国实际情况,总结民事活动的实践经验,制定本法。”这说明( )
一生物兴趣小组的同学要探究某种植物生长是否需要含氮的无机盐,设计方案如下,请你帮他们将探究活动的过程填写完整.
解方程:①821x=415 ②23x÷14=12
幸福是每个人内心所追求的美好向往,你能感受到自己的幸福吗?对于这种情感说法错误的是( )