XY一4型钻机变速箱和分动箱之间用()联接。A.花键 B.法兰 C.万向轴

题型:单项选择题

问题:

XY一4型钻机变速箱和分动箱之间用()联接。

A.花键

B.法兰

C.万向轴

考点:固体矿产钻探工固体矿产钻探工(初级)固体矿产钻探工(初级)题库
题型:单项选择题

阅读表达。

     A young man couldn't sleep well every night. He was very worried. One day he went to see the

doctor. The doctor looked him over carefully. But nothing wrong with him. The doctor told him to

count from l to 10 again and again. " Keep doing it until you fall asleep," the doctor said.    

     After a few days,the young man came to the doctor again. But to his surprise,the doctor found the

young man was even worse than before! "Didn't you count as I told you?" the doctor asked. "Yes,I did,"

the young  man answered. " But every time when I reached eight,I couldn't help jumping from bed. "        

     " But why?" the doctor wanted to know. The young man said,"I  am a boxer(攀击运动员 ). "

根据短文内完成下列各题。

l. The young man had to go to see a doctor because___________________________

2. Was there anything wrong with the young man?

    ___________________________

3. The doctor told the young man to___________________________

4. The young man came to the doctor again because___________________________

5. What is the young man?

    ___________________________

题型:单项选择题

小明制定了一个孝敬父母长辈的小计划,下列内容你应该学习的是[ ]

①给正在忙碌的爸爸端茶送饭

②妈妈工作回家,端上一杯清茶,说声“辛苦了”

③到王大伯家的鱼塘中钓条鱼回来让奶奶尝尝鲜

④天天在家陪爷爷聊天,逗他开心,不上学

A.①②    

B.②③    

C.③④    

D.①④

题型:单项选择题

在古代的算书中,经常以诗歌的形式来把一些实际生活背景的题目写出来.下面就有这样一道题:“我问开店李三公,众客都来到店中,一房七客多七客,一房九客一房空.”那么这个客栈有______间房,一共来了______名客人.

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《与贸易有关的知识产权协议》(TRIPs)确立的知识产权保护标准是()。

A.最高标准

B.最低标准

C.最惠国待遇标准

D.国民待遇标准

题型:单项选择题

“人面不知何处,绿波依旧东流。”出自谁的哪部作品?

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