Good news for kids in Nanjing!You can see the world's biggest solar-powered plane named Solar Impulse 2 (SI2)．How different from other planes it is-without a drop of oil!Its power comes from the ligh 题目和参考答案——青夏教育精英家教网—

题目内容

17．

Good news for kids in Nanjing!You can see the world's biggest solar-powered（太阳能的） plane named Solar Impulse 2 （SI2）．How different from other planes it is-without a drop of oil!Its power comes from the light of the sun．
Early this March，it started its five-month world trip．In total，the plane will travel 35，000kilometers and cross the whole world．Two pilots are driving the plane．The team hopes to improve green energy around the world．
On March 22^nd，the plane landed in Nanjing．It stayed there for one month．The stop in China is very important，because China is a big market for green energy technology．To welcome SI2，Nanjing Lukou International Airport built a special garage （飞机库） for it．
The plane's wings are the largest in the world，but the plane weighs only the same as a family car．There are 17，000solar cells （太阳能电池） in the wings，they can provide energy for the flying．During the day，the solar cells change solar power into electricity （电） and make the plane fly all day and all night．
It is not the first solar plane，however，it is the first plane that is able to cross the whole world．

46．The news is aboutB．
A．solar power
B．a solar-powered plane
C．a train
D．sunlight
47．The trip will last forB．
A．one year
B．five months
C．five years
D．one month
48．SI2stopped in China becauseC．
A．Nanjing has built a garage for it
B．China welcomes it
C．China is a big market for the technology
D．Chinese kids like it
49．Flying all day and all night mainly depends onD．
A．its wings
B．the pilots
C．the oil
D．its solar cells
50．This passage may be taken from aC．
A．storybook
B．notebook
C．science newspaper
D．travel guide．

分析短文介绍了世界上最大的太阳能飞机，它的名字是SI2.3月22日，它降落在了南京，并将在此待一个月．

解答 46．B　推理判断题　根据短文大意可知，短文介绍了世界上最大的太阳能飞机，所以这是一篇关于太阳能飞机的新闻，答案为B
47．B　细节理解题　根据"Early this March，it started its five-month world trip"可知，此次世界之旅将要持续五个月，故答案为B
48．C　细节理解题　根据"The stop in China is very important，because China is a big market for green energy technology"可知，它来中国是因为中国是一个绿色能源技术的大市场，故答案为C
49．D　细节理解题　根据"During the day，the solar cells change solar power into electricity （电） and make the plane fly all day and all night"可知，飞机日夜飞行是依靠太阳能电池储存电量，故答案为D
50．C　推理判断题　根据短文大意可知，短文介绍了太阳能飞机以及它的技术原理，属于科学．所以这篇短文应该来自科学报纸，答案为C

点评做这道题时要先通读全文，弄清短文大意，然后根据相关句子选出正确答案，最后仔细检查．

练习册系列答案

8．____ it's raining，_______ they expect to go to the park．（　　）

5．I didn't have dinner，so I'm veryhungry（饥饿的）now．

12．The man practiceswriting （write） stories every day．

2．---I think animals shouldn't be kept in such small cages．
---I agree _______you．And I'm_______building zoos．（　　）

9．People who are about the same age as you are your peers．Peers include your friends and your classmates，They have strong influence on your actions．Your peers influence how you think，how you act，and even how you dress．Peer pressure is the influence that people of the same age have on one another．
Sometimes your peers influence you in a helpful or positive（积极的）way．A friend may notice that you have problems in math．And he might invite you to join a study group or show you how to solve a difficult problem during lunch．Such actions are helpful to you．
Sometimes your peers influence you in a negarive or unhealthy way．A friend might offer you cigarettes（香烟）．Cigarettes are harmful to your health．Your friend knows that．Your friend also knows that underage smoking is against：he law．Yet he or she still makes the offer．This bad influence is negative peer pressure．
Your peers may not always realize they are influencing you in a negative way．For example．a friend might invite you to the movies．You would love to go．but you have a lot of housework to do．In situations like this you should make a wise decision．
You can learn to deal with negative peer pressure．Keep away from people who try to influence your behavior in harmful ways．Though it is trot always easy to say no．it's really necessary to learn flow to do that．Follow the following steps．First．look at the person and say no in a firm（坚定的）but polite voice．
Make sure your face shows that you are serious．Let the person know you will not back down．Then，give reasons for saying no．Explain why you won't do what the person wants．Remember to say goodbye and walk away if he or she continues．

42．From Paragraph 2•we can infer（推断）that a friend who influences you in a positive way mightD．
A．go to school together with you
B．do your homework instead of you
C．share cigarettes from his father with you
D．try to help you when you are in trouble
43．What does the underlined word"negative"in Paragraph 3 probably mean？A．
A．Harmful．
B．Useless．
C．Careless．
D．Forgetful．
44．How many steps of saying no are mentioned in the last paragraph？A．
A．Three．
B．Four．
C．Five．
D．Six．
45．Which sentence shows the writer's opinion？B
A．Peer pressure is the influence that people of the same age have on one another．
B．We should learn to deal with negative peer pressure．
C．It's not always important to say no to your peers．
D．Peers include your friends and your classmates．

6．"Can you sing the song ABC？He alwaysasks （ask） me．

10．New Energy in the Twenty-first Century
Energy from the wind
Wind is a kind of clean energy，and there is lots of it，But，if there's no wind，there is no wind energy．
Energy from the water
When water moves from a high place to a lower place，it can make electricity（电）without pollution．However，people have to build dams（水坝） to use this energy，and building dams is very expensive．
Energy from the earth
There is heat in the rocks under the earth．Scientists use the heat to make geothermal（地热的）energy．This kind of energy is cheap，but it is only possible in a few places in the world．
Energy from the sun
Solar panels （太阳电池板） on the roofs of houses can turn energy from the sun into electricity．Solar power is clean and plentiful（丰富的）．but when the weather is bad，It doesn't work．

New Energy in Twenty-first Century

	Advantages	Disadvantages
Wind Energy	Clean．There is a lot．	It needs （57）wind．
Water Energy	（58）No pollution	It is expensive．
Geothermal Energy	（59）Cheap	only possible in a few places．
Solar Energy	Clean and plentiful．	It depends too much on （60）weather．

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