— No, she doesn't. But his brother does.
A:Do; has
B:Does; have
C:Do; have
D:Does; has
在Rt△ABC中,∠C=90°,如果AB=6,cosA=23,那么AC=____
法律是规范全体社会成员的行为,其中违法行为也就是犯罪行为。( )
填空。
在密闭容器中点燃下列气体时,可能发生爆炸的是( )