赞题库-背景图
单项选择题

A．Taking pictures under water.
B．Connecting pipelines.
C．Planting sea weeds.
D．Placing explosives under the water.
<上一题 目录 下一题>
热门试题

单项选择题American city buses before 1960s didn’’t allow black people to sit in the middle of the bus.

A．Y
B．N
C．NG

单项选择题A．$1.53.B．$15.3.C．$5.3.D．$3.5.

A．$1.53.
B．$15.3.
C．$5.3.
D．$3.5.