绝缘油的诊断性试验项目包括（）。A.抗氧化剂含量检测 B.体积电阻率 C.油的相容性

“不学礼，无以立”，孔子的这句话说明了                   [ ]

A．人没有礼貌，就无法生存  

B．不讲礼仪，就会伤害别人、使自己难堪，甚至无法适应现代社会 

C．人既是审美的主体，也是审美的对象 

D．礼仪关系到我们民族和国家的形象

三个同学，小华的身高1.37米，比小军矮0.03米，小晴比小军高0.08米，小晴的身高是（    ）。

按要求改写句子，每空只填一词。

1. He often does his homework after supper. ( 改成一般疑问句)

    _______ he often _______ his homework after super?

2. They were excited at seeing the film. (改成感叹句)

    _______ _______ they were at seeing the film.

3. He has learned to play the piano since he was five years old. (对划线部分提问)

    _______ _______ has he learned to play the piano?

4. English is so hard that I can't learn it well. (同义句)

    English is               hard for me               learn it well.

5. Both Lucy and Kate are Americans. (否定句)

    _______ Lucy              Kate is an American.

下列叙述中属于减小压强的是   [ ]

A、菜刀被磨得很薄     

B、书包带扁而宽    

C、啄木鸟有细长而尖硬的嘴  

D、铁路钢轨不直接铺到路基上而铺在枕木上    

E、坦克有二条履带

季节流通储备主要应用于消费领域。( )