装配图的特殊表达方法中,除了有拆卸画法、夸大画法和简化画法外,还有()。A、综合画法

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问题:

装配图的特殊表达方法中,除了有拆卸画法、夸大画法和简化画法外,还有()。

A、综合画法

B、分析画法

C、假想画法

D、省略画法

考点:燃气具安装维修工考试燃气具安装维修工考试题库
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Life will probably be very different in 2050. First of all, it looks as though TV channels will have disappeared by 2050. Instead, people will choose a program from a “menu” and a computer will send the program directly to the television. Today, we can use the World Wide Web to read newspaper stories and see pictures on a computer thousands of kilometers away. By 2050, music, films, programmers, newspapers and books will come to us in this way.

In many places, agriculture is developing quickly and people are growing fruit and vegetables for export. This uses a lot of water. Therefore, there could be serious shortages. Some futurologists (未来学家) predict that water could be the cause of wars if we don’t act now.

In future, cars will run on new,clean fuels and they will go very fast. Cars will have computers to control the speed and there won’t be any accidents. Today, many cars have computers that tell drivers exactly where they are.By 2050, the computer will control the car and drive it to your destination. Also, by 2050, space planes will fly people from Los Angeles to Tokyo in just two hours.

A number of large companies now use robots instead of people who ask for pay rises, or go on strike, and can not work 24 hours a day. By 2050, we will see robots everywhere—in factories, schools, offices, hospitals, shops and homes.

By 2050, we will be able to help blind and deaf people see and hear again. In the last few years, scientists have discovered how to control genes and have already produced clones of animals. By 2050,scientists will be able to produce clones of people and decide how they look, how they behave and how much intelligence they have. Scientists will be able to do these things, but should they? 

小题1:By 2050, people will get information mainly by _______.

A.watching TV

B.reading newspapers

C.listening to the radio

D.turning to a website小题2:From the second paragraph, we learn that _______.

A.the demand for water will increase a lot in the future

B.future wars will lead to an increasing need for water

C.there can be no agriculture without enough water

D.the population will decrease for lack of water小题3:Which of the following is NOT a reality at the present time?

A.Scientists have found out how to control some genes.

B.Cars have computers which tell drivers their positions.

C.People can learn about what has happened anywhere on the Internet.

D.Robots have completely replaced humans in some factories.小题4:What will play the biggest part in the quality of life in the future?

A.Medicine.

B.Technology.

C.Education.

D.Agriculture

题型:单项选择题

必需行胸腔闭式引流的气胸是()

A.闭合性气胸

B.张力性气胸

C.开放性气胸

D.自发性血气胸

E.双侧气胸·

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在蜂窝移动通信系统中,多址接入方法主要有( )。

A.频分多址

B.时分多址

C.码分多址

D.以上都是

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29,31,34,39,48,()。

A.57

B.60

C.65

D.68

题型:单项选择题

舌之两侧所候脏腑一般是()

A.肺

B.心

C.肝胆

D.脾胃

E.肾

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