在如图所示的光电管的实验中,发现用一定频率的A单色照射光电管时,电流表指针会发生

题型:选择题

问题:

在如图所示的光电管的实验中,发现用一定频率的A单色照射光电管时,电流表指针会发生偏转,而用另一频率的B单色光照射时不发生光电效应,那么(  )

A.A光的频率小于B光的频率

B.只要增强B光的强度,即可发生光电效应

C.用A光照射光电管时流过电流表 G的电流方向是a流向b

D.A光的在水中的传播速度大于B光在水中的传播速度

考点:光电效应实验规律
题型:选择题

非公司制国有独资企业或国有独资有限责任公司,以其部分资产与他人组建新公司,且该国有独资企业(公司)在新设公司中所占股份超过50%的,对新设公司承受该国有独资企业(公司)的土地、房屋权属,免征契税。( )

题型:选择题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余项。

5 Things to Do in a Traffic Jam

Tired of traffic jams? Here are some tips that can help you to calm down in a traffic jam.

Listen to a CD audio book

It’s a good idea to keep several audio books in your car.    小题1:   Listening to an exciting story is more interesting than sitting silently and being bored.

Sing loudly

If you begin getting angry because of a long traffic jam, turn your CD player on or radio    up.  小题2:  Imagine you’re a wonderful singer and the audience is listening to you in admiration. Your stress will disappear.

  小题3:  

You can use the radio and play entertaining games while waiting. For example you can   guess the song or the singer or to see how quickly you can recognize a new song.

Have a snack(零食)

Keeping a tasty snack in the car is especially good for waiting in traffic jams. Choose what you like most of all, so you will look forward to traffic jams to have a chance to eat the delicious snack.   小题4:   In that case, time is the last thing to worry about.

Argue with the radio talk show host

Find a station with a radio talk show.   小题5: If you disagree, you can show your anger. Don’t be afraid to call their ideas stupid. Only make sure that the car windows are closed so no one may hear you.

Sitting in a traffic jam can be very stressful but next time you can use these simple tips, and you won’t notice how long you have been waiting and soon you will be on your way.

A.Play games

B.Use the radio.

C.Enjoy every bite of it.

D.Listen to their debates carefully.E. Loud singing can help to reduce stress.

F. Begin to enjoy them as quickly as you can.

G. The storyteller’s voice can clear all your bad emotions.

题型:选择题

材料一:“和谐世界”,一个充满东方智慧的名词,如今频频出现在重大国际场合,它所描绘的国际关系的理想状态,正得到越来越多国家的理解和赞同。中国认为,和谐世界应该是民主的世界,和睦的世界,公正的世界,包容的世界。

材料二:胡 * * * * 指出:“中国的发展离不开亚洲,中国的发展将继续为亚洲的发展注入强大动力。中国将坚定不移地走和平发展道路,坚持奉行与邻为善、以邻为伴的周边外交方针和睦邻、安邻、富邻的周边外交政策, 同亚洲各国一道,致力于开创亚洲更加美好的未来。”

(1)说明我国高度重视发展睦邻友好关系的政治学依据。

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(2)为什么说我国是建设和谐世界的一支重要力量?

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题型:选择题

利用“控制面板”的“程序和功能”()。

A.可以删除Windows组件

B.可以删除Windows硬件驱动程序

C.可以删除Word文档模板

D.可以删除程序的快捷方式

题型:选择题

只要有购买的欲望就构成了需求。

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