逻辑电路的基本单元是()。A、晶体管 B、电阻 C、门电路 D、电容

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问题:

逻辑电路的基本单元是()。

A、晶体管

B、电阻

C、门电路

D、电容

考点:测井工考试高级测井工高级测井工题库
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化简:(2x+1)2-(2x)2

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甲数是乙数的4倍,甲数:乙数=4:1.______.(判断对错)

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More and more people like bicycling and it is no surprise. It is fun, healthy and good for the environment. Maybe that’s why there are 1.4 billion bicycles and only 400 million cars on roads worldwide today. Bikes can take you almost anywhere, and there is no oil cost!

Get on a bicycle and ride around your neighbourhooD. You may discover something new all around you. Stopping and getting off a bike is easier than stopping and getting out of your car. You can bike to work and benefit (受益) from the enjoyable exercise without polluting the environment. You don’t even have to ride all the way.

Folding (折叠) bikes work well for people who ride the train. Just fold the bike and take it with you. You can do the same on an airplane. A folding bike can be packed in a suitcase. You can also take a common bike with you when you fly. But be sure to look for information by getting on airline websites. Not all airlines are bicycle-friendly to travelers.

Health Benefits of Bicycling.

·It helps to prevent heart diseases.

·Bicycling helps to control your weight.

·A 15-minute bike ride to and from work three times a week burns off five kilos of fat in a year.

·Bicycling can improve your mood (心情).

·Exercise like bicycling has been shown to make people feel better, more relaxed and self-confident.

·Bicycling is healthier than driving.

If you travel with a folding bike, you can fold it and ().

A. get out of the car

B. take it onto a train

C. put it in your purse

D. go on airline websites

题型:单项选择题

亚里斯多德认为一件事物的形式就是它的()和它的原始()。

A、形式,本质

B、实质,形式

C、本质,实质

题型:单项选择题

任何单位和个人都不能延期申报纳税。 ( )

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