救生艇属具中除带钩艇篙应散置外，其他属具均应适当的牢系于艇内。（）
参考答案：对
一个数是4，另一个数比它的相反数小3，则这两个数的积为（ ）
A．11
B．-12
C．-28
D．28
— What does Mary look like?
— _____. [ ]
A. She's well
B. She's tall
C. She's a doctor
D. She likes dancing
