电石和水接触能迅速生成（）A、乙炔和氧气 B、乙炔和氧气 C、乙炔和氢氧化钙 D、乙炔和氢

Bob was a gardener and he had no work for a few months. One day he went out to look for a job. While he was walking in the street, he saw a poster at the gate of a big restaurant. It said the restaurant needed to hire（雇佣） a man who could grow flowers and trees well. Bob was so pleased that he went straight to answer it. There Bob was told to go back and get his old working clothes to the office. Bob did so.

The boss looked over his working clothes carefully and then decided to let Bob have the job. Bob asked the boss why his working clothes were so important. The boss answered with a smile, "Oh, young man, your working clothes are all with patches(补丁) on the knees. You know, I have dismissed（解雇） two men these days. They had working clothes with patches on the buttocks(臀部). They were too lazy."

小题1:When the boss saw Bob, he ________.

A．gave him the job at once

B．liked Bob at once

C．asked Bob to go home to get his working clothes

D．liked Bob's clothes小题2:Bob's new job was________.

A．to wash dishes

B．to clean the restaurant

C．to cook dishes

D．to grow flowers and trees小题3:We may learn that the boss was ________.

A．very clever

B．foolish

C．very kind

D．hardworking

下列费用中，属于与未来企业生产经营有关的工程建设其他费用的有( )。

A．办公家具购置费

B．生产家具购置费

C．生产准备费

D．交付生产前进行局部联动试车所发生的费用净支出

E．设备调试和试车费用

男性，35岁，高热，皮肤瘙痒半个月，右颈及锁骨上淋巴结肿大，无压痛，互相粘连，血红蛋白90g/L，白细胞10×10⁹/L，中性粒细胞0.66，淋巴细胞0.24，骨髓涂片找到里-斯细胞。如需明确诊断首先应作的检查是（）

A.腹部或全身CT

B.肝、脾B超

C.淋巴结活检

D.MRI

E.中性粒细胞碱性磷酸酶测定

单结晶体管三个电极分别是两个基极、一个（）。

下列关于商业信息与商业数据的关系中，描述错误的是（）。

A．商业信息是对商业数据的解释

B．商业数据是事物的本质

C．商业数据是管理商业信息的媒介

D．两者在运动中相互依存，相互转化