léi 累赘
lěi 累计
lèi 劳累
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- 1do,when,you,do,exercises,morning连词成句
- 2介词填空.1.Kittly's birthday is ( ) the 5th ( ) September.
- 3新客厅铺了320块瓷砖,每块瓷砖的边长是4分之1米,每块瓷砖的面积有多大?玲玲家客厅地面的面积有多大?
- 4已知A=-x平方-2xy+y的平方B=2x平方-6xy+3y平方 求3A-[（2A-B）-2(A-B)]的值其中xy满足
- 5AB＜0,a+b＜0,A的绝对值大于B的绝对值,试确定A和B的正负.
- 6对于任意正整数n，猜想2n-1与（n+1）2的大小关系，并给出证明．
- 7诗句填空.
- 8请问把3米长的方木料锯成相同的5段后,表面积比原来增加了128平方厘米,这块木料原来体积是多少立方厘米?
- 9高手给我翻译下True Love Of My Life
- 10"Why couldn't they meet us at five o'clock?" "Because they were delayed by heavy traffic