选用下列某一种形状的瓷砖密铺地面,不能做到无缝隙,不重叠要求的( )
A:正方形
B:任意三角形
C:正六边形
D:正八边形
This is our n ____h____. Look! We have a s____ and a TV in the living r____. We have a f____ and a t____ in the kitchen. In the bedroom we have s____ dolls on the bed and a c____ on the desk. I l____ my new home.
不等式﹣ 12 x+3<0的解集是____.
1____ 2____3____ 4____.