常用灭火机具有（）、风力灭火机、灭火弹、化学灭火剂。

根据短文内容用所给单词的正确形式填空。

     Erik was a fourteen-year-old boy. He thought he was a young man but his parents didn't think so. They told him, “When you begin to think about _____l_____(help)  others,  you’ll be a young man.

     One morning, his parents gave Erik some money to buy hamburgers at a

store. He saw an old man there. The man looked very______2_____(tire).

Erik went up to him and knew that the old man had lost his money and hadn't had________3_______ (something) for his breakfast. Erik took the old man to the nearest restaurant. But the man asked only a glass of water for sorry for him, so he asked _____4______ (he). Erik felt waiter to bring the man some bread and a cup of coffee. The old man was so hungry that he ate up all the

food very soom. After that, the man told Erik chat he____5____ (will) never forget his kindness. Erik was Very pleased when he heard the old man" say, " You are a very good young man. " To their surprise, the food was a present

because that  day was the birthday of the boss.

1._______ 2.________ 3.________ 4._________ 5._________

我国成人白血病最多见的类型是（）。

A.巨核细胞白血病

B.急性单核细胞性白血病

C.急性粒细胞性白血病

D.慢性淋巴细胞性白血病

E.嗜酸性性粒细胞性白血病

在选择勘察单位时，监理工程师除重点对其资质进行控制外，还要检查勘察单位的（），考察勘察单位的专职技术骨干素质、业务及服务意识。

A．技术管理制度

B．质量管理程序

C．勘察实施方案

D．勘察任务书

E．年检合格证明

关于文字图层，错误的描述是（）。

A、变形样式是文字图层的一个属性 

B、使用变形可以扭曲文字，但无法将文字变形为波浪形 

C、对文字图层应用“编辑”菜单中的变换命令后仍能编辑文字 

D、使用变形可以扭曲文字，将文字变形为扇形

炉底不仅要承受被加热金属的负荷，而且要经受（）的化学侵蚀，以及金属的碰撞和摩擦作用。