SGW-150型刮板输送机的功率为150KW。()

题型:判断题

问题:

SGW-150型刮板输送机的功率为150KW。()

考点:综采维修电工综采维修电工(综合练习)综采维修电工(综合练习)题库
题型:判断题

一堆煤,如果每次运6吨,刚好可以运完,如果每次运8吨,也可以刚好运完.这对煤至少有______吨.

题型:判断题

A farmer grew some vegetables in his garden. One day his wife was ill and he had no money. He had to sell some cabbages and carrots in the market. The next morning he took two baskets of vegetables to town. But it was raining hard that afternoon and there were few people in the street. When his vegetables were sold out, it was dark. He bought some medicine and hurried to his village.

On his way home he saw a person lying on the snow. He placed his baskets on the ground and was going to help the person to get up. At that time he found it was a dead man and there was much blood on his body. He was so afraid that he ran away quickly, without taking the baskets with him.

The next afternoon the farmer was sent to the police station. Having shown the baskets, an officer asked: “Are these yours?” “Yes, sir.” the farmer answered timidly(胆怯地)。”Have you killed the man?” “No, no, sir.” the farmer said in a hurry.” When did you see the dead man?” ”About seven last evening.” “Did you see who killed the man?” “No, Sir.” The officer brought out a knife and asked, “Have you seen it yet?” ”No, Sir.’ The officer became angry and told the policemen to beat him up and send him into prison.

That evening the officer went on trying .Pointing to the knife, he asked again,” Have you seen it yet?” ”Yes, Sir.” The officer was happy and asked,” When and where?” “I saw it here this afternoon, sir.”

小题1:The farmer decided to sell the vegetables to           .

A.buy some food for his family

B.buy some medicine for his wife

C.go to see a doctor

D.go to the cinema小题2:The farmer didn’t sell out his vegetables until the evening because           .

A.they were too bad

B.they were very expensive

C.it rained hard that morning

D.few people liked to go out on such a bad day小题3:As          , the farmer decided to help the person to stand up.

A.he wanted to get some money from him.

B.the person was one of his friends

C.he thought the person would thank him.

D.he thought the person had drunk too much小题4:The farmer ran away quickly because        .

A.the policemen were coming towards him.

B.his wife was waiting for him at home

C.he was afraid to see a dead man.

D.it was so late that he couldn’t stay there any longer.小题5:The officer tried the farmer to        .

A know who had killed the man.

B. know if he had seen the dead man

C .ask when he saw the dead man

D .ask if he had seen the knife

题型:判断题

甲、乙分别是两种主族元素形成的氧化物,它们广泛存在于地壳中,均不溶于水,且都有如下相同的转化关系,不同之处是乙对应的转化过程中需控制盐酸用量,若盐酸过量则得不到白色沉淀B。

(1) 写出甲、乙的化学式:甲________,乙________;

(2) 写出下列反应的化学方程式:

甲+NaOH溶液____________________________________________,

乙+NaOH溶液____________________________________________;

(3) 分别写出甲、乙对应的A溶液与过量盐酸反应的离子方程式:

甲 ________________________________________

乙____________________________________________

(4) 若将5.1g乙溶于适量的盐酸(二者恰好完全反应)后,再加入175 mL的2 mol.L-1 NH3H2O溶液,得到沉淀___________g

题型:判断题

一家从本地成长起来的餐饮企业的首要目标市场是()。

A.外地市场

B.本地市场

C.海外市场

D.港台市场

题型:判断题

患者突然昏倒,不省人事,口吐涎沫,四肢抽搐,醒后如常,属()

A.癫病

B.中暑

C.中风

D.痫病

E.狂病

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