猜你喜欢
- 1蜜蜂辨别方向的知识
- 2Sorry,I am late again.I ____ have taken a taxi to come here.
- 3设集合M,N是两个非空集合,定义M与N的差为M-N={x|x∈M且x不∈N},若M-N=M,则集合M,N应满足的关系是___.
- 4把12个苹果平均分,共有哪几种分法?
- 5判断对错.负数不一定带有负号.（ ）
- 6Is it graceful grief and sweet sadness to think of you?这句话有错吗?
- 7“写留言”的英文怎么写?
- 8Be s___ to come to school on time.
- 9初中电功题：一灯泡220V100W接在电路中不太亮,实际电功率为81W,电路电压不变220V球导线上消耗的电功率
- 10-2.5除以5/8乘(-1/4) —27除以2又四分之一乘4/9除（-24） (-3/5)乘(—3又二分之一)除(-1又四分之一)