抽油机抽油参数不包括()。A、井下抽油泵的泵径 B、冲程 C、地面减速箱的扭矩 D、

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问题:

抽油机抽油参数不包括()。

A、井下抽油泵的泵径

B、冲程

C、地面减速箱的扭矩

D、冲速

考点:采油工考试采油初级工考试采油初级工考试题库
题型:单项选择题

按保险责任划分,个人意外伤害保险可以分为()。

A.意外伤害死亡残疾保险

B.出单意外伤害保险

C.普通意外伤害保险

D.意外伤害医疗保险

E.意外伤害停工保险

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For over one hundred and fifty years, Americans of all social classes have worn blue jeans. 小题1: Whether they are worn for work or for fashion today.Strauss' invention continues to be popular not only among Americans but also among people around the world.

Levi Strauss was born in Germany in 1829. 小题2:   He grew up in Kentucky before moving to New York in 1847.Before becoming an American citizen and moving to the West in 1853, Strauss worked in his brother's dry goods business.This gave him a chance to produce his famous invention.After the gold rush of 1949, Strauss decided to move to the West to seek his fortunes.

Strauss did not want to be a person who searched an area for minerals.Instead, he knew he could make a good living by selling supplies to the miners.At first, he planned to sell sewing supplies and cloth. 小题3: When he heard miners complaining that their clothes were easily broken or they usually tore their pockets during mining, he decided to use a special fabric to make pants for the miners.These pants proved so popular that he quickly ran out of materials to make more.

In 1873, Strauss received a letter from a Jewish tailor named Jacob Davis who had invented a process of connecting pockets with copper rivets(铆钉).This made the pants last a long time.Because Davis did not have the money to patent his idea, he offered to share it with Strauss if Strauss would agree to pay for the patent. 小题4:  .

The business has been growing ever since and Levi Strauss' company is now one of the largest clothing companies in the world.

By the time Strauss died in 1902, he had made a great contribution to American fashion.小题5:  

A.As a young boy, he moved with his family to the United States.

B.Nobody knew what kind of material was suitable.

C.He did and Levi jeans have been made with metal rivets ever since.

D.However, he did not get much business for those products.E.He also made a great contribution to America's clothing industry.

F.Since they were invented by Levi Strauss, they have become a symbol of American consumer culture.

G.As the business grew, Strauss got much money from it.

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试述脑卒中患者的康复护理目标。

题型:单项选择题

麻疹的传播特点有()

A、麻疹是高度传染性的病毒,通过咳嗽、喷嚏或直接接触感染鼻咽分泌物而传播

B、麻疹病毒在空气中或污染物的表面2小时仍具有活性和传染性

C、感染麻疹的病人在出疹开始的前后4天均可传播麻疹

D、与病人密切接触而传播

题型:单项选择题

风速和风压力中心纵向位置对单锚泊船的偏荡周期的影响为:().

A.风速增大、风压力中心纵向位置前移,偏荡周期减小

B.风速增大、风压力中心纵向位置后移,偏荡周期减小

C.风速增大、风压力中心纵向位置前移,偏荡周期增大

D.风速增大、风压力中心纵向位置后移,偏荡周期增大

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