如图是电熨斗的结构图，下列说法正确的是（ ） A．双金属片上层金属的膨胀系数小于

So________ was the boy in the game he was playing online that he could feel neither sleepy nor hungry.

A．hidden

B．engaged

C．absorbed

D．drawn

As the most frequently spoken language in the world, Chinese ________ in many schools in Europe.

A. is teaching      B is taught       C. has taught     D. teaches

理财规划各部分规划中最能体现保持家庭财务流动性的是( )。

A．现金规划

B．投资规划

C．消费支出规划

D．风险管理与保险规划

石油产品具有易燃、（）、易发挥、易渗漏和易聚集静电荷的特性.

公司不符合项分为内部不符合项和外部不符合项，其中外部不符合项分为（）类、（）类和（）类。