— What are they?
— ______are lions.
A:This
B:They
设P={x|x<1},Q={x|x2<4},则P∩Q=( )
选择正确解释填在横线里
①使风____
A.指两个小孩用伞当帆,让风来帮忙,促使船向前行驶
B.使劲挡风
②棹____
A.船头B.船桨