清扫器的刮板或刷子与胶带接触长度不得小于()A、60%; B、75%; C、85%;

题型:单项选择题

问题:

清扫器的刮板或刷子与胶带接触长度不得小于()

A、60%;

B、75%;

C、85%;

考点:矿钢缆皮带操作工矿钢缆皮带操作工试题库(高级)矿钢缆皮带操作工试题库(高级)题库
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Mr. Brown was in school for only one year when he was young and later on he was made to help his father to work in the fields. There wasn’t 小题1:   rain for several years and though there was a river nearby, the water was polluted. The farmers dared not w 小题2:  their corn with the polluted water. So they had several poor harvests. They had l  小题3:   food and sometimes they were hungry. One year his parents died of hunger and there was no one to care for him. He had to go to find work in the town and he learned to drive a truck in a factory.

Coming from a village made him strong and ready to help others. He met a girl who loved him, so they got married. His wife works in a shop and his children study in a school. He tries his best to 小题4:   everything even if a pound, and hardly eats in a restaurant. He’s good at 小题5:   and always takes some food he has made at home with him when he goes to work in the morning.

It was Sam’s eighth birthday yesterday. The boy hoped to have dinner in a restaurant. At first, Mr. Brown wouldn’t agree. Then he thought his son had never had anything in restaurants before, so he decided to give in. The boy was very happy and the Browns went to a restaurant for the

小题6:  time. When they finished their dinner, Mr. Brown said to the waiter, “My son has some meat l 小题7:  on his plate. Could you give me a bag so that I can take it home for the dog?” “Oh, Dad!” the boy called out. “We haven’t got a dog at all!”

题型:单项选择题

转子流量计使用较为广泛,可适用于很多场合,但下面有一项不适合().

A.微小流量

B.高粘度流体

C.腐蚀性流体

D.脏污介质

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圆明园是我国古代园林和建筑艺术的杰出代表,1868年被英法联军大肆抢劫后焚毁,现在是我国重要的文化遗址。20世纪80年代以来,关于圆明园遗址保护和重建方案的争论充分展开,目前主要有原址整体复建、原址部分复建、遗址附近复建、异地重建等观点。

(1)你赞成上述哪种观点?请从文化教育功能和文化传承的角度阐述你的理由。(10分)

(2)假如让你制订方案,首先应抓什么环节?在这个环节你主要应做哪些工作?(10分)

题型:单项选择题

有关纤维异样增殖症,下列哪项是错误的()

A.女性多见,儿童期发病

B.畸形、肿块和病理骨折为常见临床症状

C.X线特点:好发于长骨干骺端,受累骨膨胀,皮质变薄,无骨膜反应

D.放疗有效,不易发生恶变

E.以手术治疗为主

题型:单项选择题

“实践是检验真理的唯一标准”的大讨论发生在()年。

A.1978

B.1979

C.1980

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