滚装客船设有侧推器它是一个（）推进器。
A、横向
B、纵向
C、垂向
参考答案：A
一个长方体的长和宽都扩大3倍，高不变，体积就扩大______．
______ be laughed at by his mates, he kept about quiet about punishment.
A．So not as to
B．So as not to
C．In order not to
D．In order to not
