____ ____you like ____ ____?
We are glad to hear that the terrorists ________ by the brave policemen several days ago.
如图,在四边形ABCD中,∠DAB的平分线与∠ABC的平分线相交于E.∠C+∠D=220°,求∠E的度数.
用0、1、2、3和小数点组成一个最大的小数是____,组成最小的小数是____.
正方体的外接球与内切球的球面面积分别为S1和S2则( )