列竖式计算 0.91÷1.3=3.06×0.55=8.5÷0.51（保留两位小数

把绥靖政策推向巅峰的标志是

A．德军突袭波兰

B．苏德战争爆发

C．慕尼黑阴谋

D．太平洋战争爆发

铝合金门窗推拉窗扇开关力应不大于（），用（）进行检查。

When instructing the client with severe burns about proper nutrition, the nurse would encourage him to eat which of the following meals()

A. Chicken breast, salad, iced tea.

B. Roast beef sandwich, milkshake, cottage cheese.

C. Hamburger, orange, coffee.

D. Pasta salad, carrots, iced tea.

离子学说的实验证据是什么？

叉车司机在启动和行驶时，必须注意车周围（）。