不要戴玻璃或隐形眼镜，去掉口袋内的尖锐的物品。（）
参考答案：对
Despite the rising costs of many products, bus fares in the city of Zhuzhou ______ unchanged.
A．remain
B．are remained
C．are remaining
D．remains
一批零件有96个，一台机床1.5小时可加工24个零件，照这样计算，加工完这批零件共需几小时？
