锟斤拷锟斤拷2020锟竭匡拷锟斤拷锟斤拷锟絖(k锟斤拷i)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟�(zh锟斤拷n)锟斤拷锟斤拷藛幔匡拷呖锟斤拷W(w锟斤拷ng)小锟斤拷锟斤拷锟轿伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭恍╋拷呖锟斤拷锟�(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷覅锟斤拷锟斤拷锟絰锟斤拷

锟斤拷锟斤拷锟斤拷锟絵1  锟斤拷x锟斤拷锟解專锟絵之----锟斤拷旨锟斤拷锟斤拷锟絵

锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷(w锟斤拷n)锟斤拷式锟斤拷

锟斤拷锟斤拷1.锟斤拷旨锟斤拷锟斤拷锟絵之锟斤拷(bi锟斤拷o)锟絵锟絯锟絳锟絵锟斤拷見(ji锟斤拷n)锟絆(sh锟斤拷)锟斤拷(w锟斤拷n)锟斤拷式锟斤拷

锟斤拷锟斤拷1锟斤拷What may/can be the best title for the text?

锟斤拷锟斤拷2锟斤拷The best title for the text would be______.

锟斤拷锟斤拷3锟斤拷Which of the following can be the best title for the text?

锟斤拷锟斤拷4锟斤拷What might be the most suitable title for the text?

锟斤拷锟斤拷....

锟斤拷锟斤拷2.锟斤拷旨锟斤拷锟斤拷锟絵之锟斤拷锟絵锟絯锟絳锟絵锟斤拷見(ji锟斤拷n)锟斤拷锟絆(sh锟斤拷)锟斤拷(w锟斤拷n)锟斤拷式锟斤拷

锟斤拷锟斤拷1锟斤拷The main idea of the passage is…

锟斤拷锟斤拷2锟斤拷The passage is mainly about…

锟斤拷锟斤拷3锟斤拷Which of the following statements best expresses the main idea of the passage?

锟斤拷锟斤拷4锟斤拷What is the passage mainly about?

锟斤拷锟斤拷......

锟斤拷锟斤拷锟斤拷锟斤拷锟介方式锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷x锟斤拷锟斤拷锟斤拷旨锟斤拷锟斤拷锟絵锟侥匡拷锟斤拷旨锟节匡拷锟斤拷W(xu锟斤拷)锟斤拷锟斤拷(du锟斤拷)一篇锟斤拷锟铰伙拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷锟斤拷锟接达拷锟斤拷锟斤拷桶锟斤拷锟斤拷锟斤拷锟街硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷針岋拷(du锟斤拷)某一锟絑(y锟斤拷)锟轿伙拷某一锟絑(y锟斤拷)篇锟斤拷锟斤拷锟絵锟斤拷锟斤拷(bi锟斤拷o)锟絵锟絆(sh锟斤拷)锟絵锟斤拷锟紷锟斤拷}目一锟姐考锟介：锟斤拷锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷锟铰碉拷锟斤拷锟絵锟斤拷锟斤拷锟铰橈拷(bi锟斤拷o)锟絵锟斤拷锟斤拷锟斤拷锟斤拷锟饺★拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷全锟侥的伙拷锟紸(ch锟斤拷)锟斤拷锟斤拷锟絕锟矫碉拷锟絓(y锟斤拷n)锟矫革拷锟斤拷锟斤拷锟叫旓拷锟斤拷锟絯锟絳锟斤拷锟斤拷锟斤拷锟斤拷邏輯思锟絊锟斤拷锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷锟斤拷锟組(j锟斤拷n)锟叫高度革拷锟斤拷锟酵匡拷锟結(ji锟斤拷)锟斤拷要锟斤拷W(xu锟斤拷)锟斤拷通锟絕(gu锟斤拷)锟斤拷锟斤拷锟斤拷x锟紷取锟絑(y锟斤拷)篇锟斤拷锟斤拷思锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絜锟結锟絰锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷1. 锟斤拷旨锟斤拷锟斤拷锟絵之锟斤拷(bi锟斤拷o)锟絵锟絯锟絳锟絵锟斤拷锟絵思路锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷x锟斤拷锟斤拷锟叫ｏ拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥撅拷锟�(l锟斤拷i)锟絖锟斤拷锟斤拷锟铰橈拷(bi锟斤拷o)锟絵锟斤拷锟斤拷锟斤拷通锟絰锟斤拷锟斤拷锟斤拷锟揭碉拷锟斤拷锟铰碉拷锟斤拷锟侥句，锟斤拷锟斤拷(j锟斤拷)锟斤拷锟侥撅拷锟斤拷P(gu锟斤拷n)锟絀锟絶锟斤拷(l锟斤拷i)锟絖锟斤拷锟斤拷褬锟�(bi锟斤拷o)锟絵锟斤拷同锟絩(sh锟斤拷)锟斤拷锟斤拷锟絰锟斤拷(bi锟斤拷o)锟絵锟侥時(sh锟斤拷)锟斤拷還要注锟斤拷锟斤拷锟铰幾傦拷(g锟斤拷)锟斤拷(w锟斤拷n)锟絵锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷要锟节岋拷(du锟斤拷)原锟侥碉拷锟斤拷锟斤拷锟斤拷A(ch锟斤拷)锟斤拷锟叫硷拷(x锟斤拷)锟斤拷锟絔锟斤拷锟絰锟斤拷(bi锟斤拷o)锟絵锟角凤拷锟斤拷锟斤拷锟斤拷碌锟斤拷锟斤拷锟剿硷拷锟�锟斤拷同锟絩(sh锟斤拷)锟絇(gu锟斤拷n)注锟斤拷(bi锟斤拷o)锟絵锟斤拷(du锟斤拷)锟斤拷锟铰的冿拷(n锟斤拷i)锟捷的革拷锟絯锟斤拷锟斤拷危锟斤拷锟斤拷锟斤拷}目锟斤拷锟斤拷锟絕(gu锟斤拷)锟斤拷锟斤拷^(gu锟斤拷)小锟斤拷

锟斤拷锟斤拷2锟斤拷锟絖锟斤拷锟斤拷锟铰橈拷(bi锟斤拷o)锟絵锟絩(sh锟斤拷)要注锟斤拷锟斤拷锟阶凤拷锟侥幾傦拷(g锟斤拷)锟絜(cu锟斤拷)锟絗锟斤拷锟劫猴拷锟絯锟斤拷(n锟斤拷i)锟斤拷片锟斤拷锟斤拷锟斤拷偏锟斤拷全 锟节橈拷(bi锟斤拷o)锟絵锟絕(gu锟斤拷)锟节籠锟統(t锟斤拷ng)锟斤拷锟絕(gu锟斤拷)锟节革拷锟斤拷锟斤拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟铰冿拷(n锟斤拷i)锟捷擴(ku锟斤拷)锟斤拷锟剿凤拷锟斤拷锟斤拷锟斤拷锟杰很好地岋拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷锟铰碉拷锟斤拷锟斤拷思锟斤拷锟斤拷锟桔橈拷(bi锟斤拷o)锟絵锟斤拷锟斤拷锟斤拷一些锟斤拷锟铰碉拷锟铰岋拷(sh锟斤拷)锟斤拷(x锟斤拷)锟斤拷(ji锟斤拷)锟斤拷锟絔(m锟斤拷i)锟叫岋拷(du锟斤拷)锟斤拷锟铰碉拷锟斤拷锟斤拷思锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷锟酵革拷锟斤拷锟斤拷锟斤拷锟絰锟斤拷(bi锟斤拷o)锟絵锟絩(sh锟斤拷)要站锟斤拷锟斤拷锟竭猴拷原锟侥的角讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟皆硷拷锟斤拷锟絕锟杰斷。

锟斤拷锟斤拷2.锟斤拷旨锟斤拷锟斤拷锟絵之锟斤拷锟絵锟絯锟絳锟絵锟斤拷锟絵思路锟斤拷

锟斤拷锟斤拷锟絯锟絳锟斤拷锟結(ji锟斤拷)锟斤拷锟絵锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷篇锟斤拷锟铰和岋拷(du锟斤拷)锟斤拷锟斤拷拇锟斤拷饪傦拷Y(ji锟斤拷)锟斤拷锟斤拷(du锟斤拷)锟斤拷篇锟斤拷锟铰的达拷锟解總锟結(ji锟斤拷)一锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟絵锟轿侊拷(l锟斤拷i)锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟斤拷思锟斤拷锟斤拷锟斤拷锟絵锟斤拷通锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷锟絖(k锟斤拷i)锟絕锟酵結(ji锟斤拷)尾锟斤拷锟斤拷要锟斤拷息锟斤拷(l锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟絡(lu锟斤拷)锟斤拷锟斤拷锟組(j锟斤拷n)锟叫綜锟较歸锟絳锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟絵锟斤拷

锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷锟斤拷锟斤拷锟侥匡拷锟結(ji锟斤拷)锟酵革拷锟斤拷锟斤拷要通锟絕(gu锟斤拷)锟斤拷锟斤拷锟斤拷锟絵锟斤拷姆锟斤拷锟斤拷锟�(l锟斤拷i)锟斤拷锟�锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷c(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟铰的結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷同锟斤拷锟斤拷锟絵锟斤拷锟斤拷F(xi锟斤拷n)锟斤拷位锟斤拷通锟斤拷也锟斤拷同锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟絖(k锟斤拷i)锟絕锟斤拷锟斤拷锟斤拷锟斤拷^锟絚(di锟斤拷n)锟斤拷锟斤拷锟絜锟斤拷論锟紺锟斤拷(x锟斤拷)锟斤拷(ji锟斤拷)锟斤拷锟斤拷^锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷末尾锟斤拷锟饺憋拷锟斤拷锟斤拷(x锟斤拷)锟斤拷(ji锟斤拷)锟斤拷锟絜锟斤拷锟斤拷锟劫歸锟絳锟結(ji锟斤拷)論锟斤拷Y(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟絞锟斤拷锟絖(k锟斤拷i)锟絕锟饺斤拷B锟斤拷锟斤拷锟斤拷(x锟斤拷)锟斤拷(ji锟斤拷)锟斤拷锟斤拷锟絞锟紺锟较伙拷锟斤拷锟斤拷锟斤拷锟斤拷}锟斤拷锟斤拷锟斤拷锟斤拷锟矫撅拷锟絯锟斤拷锟铰岋拷(sh锟斤拷)锟組(j锟斤拷n)一锟斤拷锟絝(shu锟斤拷)锟斤拷锟斤拷l(f锟斤拷)展前锟斤拷锟斤拷锟斤拷}锟斤拷锟斤拷锟斤拷尾锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟絖(k锟斤拷i)锟絕锟絚(di锟斤拷n)锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟絞锟斤拷锟皆斤拷锟�锟斤拷末尾锟劫次忥拷(qi锟斤拷ng)锟絳(di锟斤拷o)锟斤拷锟絵锟斤拷?q锟斤拷)锟角帮拷锟斤拷锟铰�?sh锟斤拷)锟斤拷锟斤拷锟組(j锟斤拷n)一锟斤拷锟侥革拷锟斤拷锟斤拷锟絤然前锟斤拷锟斤拷锟絵锟斤拷锟斤拷思锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟組锟斤拷同锟斤拷锟捷無(w锟斤拷)锟斤拷锟絵锟戒：注锟解反锟斤拷(f锟斤拷)锟斤拷锟紽(xi锟斤拷n)锟斤拷锟絇(gu锟斤拷n)锟絀锟絶锟斤拷锟斤拷锟組(j锟斤拷n)锟叫歸锟絳锟斤拷锟結(ji锟斤拷)锟斤拷

锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷(zh锟斤拷n)锟捷撅拷

锟斤拷锟斤拷锟斤拷锟斤拷锟絵锟斤拷

锟斤拷锟斤拷1. 锟斤拷旨锟斤拷锟斤拷锟絵之锟斤拷(bi锟斤拷o)锟絵锟絯锟絳锟絵锟斤拷2017 全锟斤拷(gu锟斤拷)锟斤拷1 C

锟斤拷锟斤拷Some of the world’s most famous musicians recently gathered in Paris and New Orleans to celebrate the first annual International Jazz Day. UNESCO( United Nations Educational, Scientific and Cultural Organization) recently set April30 as a day to raise awareness of jazz music, its significance, and its potential as a unifying(聯(li锟斤拷n)锟斤拷) voice across cultures.

锟斤拷锟斤拷Despite the celebrations, though, in the U.S. the jazz audience continues to shrink and grow older, and the music has failed to connect with younger generations.

锟斤拷锟斤拷It’s Jason Moran’s job to help change that. As the Kennedy Center’s artistic adviser for jazz, Moran hopes to widen the audience for jazz, make the music more accessible, and preserve its history and culture.

锟斤拷锟斤拷“Jazz seems like it’s not really a part of the American appetite,”Moran tells National Public Radio’s reporter Neal Conan. “What I’m hoping to accomplish is that my generation and younger start to reconsider and understand that jazz is not black and write anymore. It’s actually color, and it’s actually digital.”

锟斤拷锟斤拷Moran says one of the problems with jazz today is that the entertainment aspect of the music has been lost. “The music can’t be presented today the way it was in 1908 or 1958. It has to continue to move, because the way the world works is not the same,”says Moran.

锟斤拷锟斤拷Last year, Moran worked on a project that arranged Fats Waller’s music for a dance party, “Just to kind of put it back in the mind that Waller is dance music as much as it is concert music,”says Moran. “For me, it’s the recontextualization. In music, where does the emotion(锟斤拷锟�) lie? Are we, as abstract as a Charlie Parker record gets us into a dialogue about our emotions and our thoughts? Sometimes we lose sight that the music has a wider context,”says Moran, “So I want to continue those dialogue. Those are the things I want to foster.”

锟斤拷锟斤拷31锟斤拷Which of the following can be the best title for the text?

锟斤拷锟斤拷A锟斤拷Exploring the Future of jazz.

锟斤拷锟斤拷B锟斤拷The Rise and Fall of jazz.

锟斤拷锟斤拷C锟斤拷The Story of a jazz Musician.

锟斤拷锟斤拷D锟斤拷Celebrating the Jazz Day.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶讹拷锟絚(di锟斤拷n)锟斤拷锟斤拷UNESCO( United Nations Educational, Scientific and Cultural Organization) recently set April30 as a day to raise awareness of jazz music, its significance, and its potential as a unifying(聯(li锟斤拷n)锟斤拷) voice across cultures.聯(li锟斤拷n)锟较囷拷(gu锟斤拷)锟教匡拷锟侥組锟斤拷锟斤拷锟剿憋拷锟給(h锟斤拷)锟斤拷士锟斤拷(l锟斤拷)锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷(gu锟斤拷)锟紿锟斤拷士锟斤拷(l锟斤拷)锟斤拷锟斤拷锟斤拷锟結(ji锟斤拷)锟斤拷全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷峒癑ason Moran锟斤拷(du锟斤拷)锟斤拷士锟斤拷(l锟斤拷)锟侥匡拷锟斤拷锟斤拷希锟斤拷锟斤拷锟斤拷锟皆得筹拷锟斤拷训臉锟�(bi锟斤拷o)锟絵锟斤拷A---“探锟斤拷锟斤拷士锟斤拷(l锟斤拷)锟斤拷未锟斤拷(l锟斤拷i)”锟斤拷锟斤拷锟斤拷锟斤拷锟铰碉拷锟斤拷锟斤拷思锟斤拷锟斤拷

锟斤拷锟斤拷2. 锟斤拷旨锟斤拷锟斤拷锟絵之锟斤拷锟絵锟絯锟絳锟絵锟斤拷2018 全锟斤拷(gu锟斤拷)锟斤拷1  C

锟斤拷锟斤拷Languages have been coming and going for thousands of years, but in recent times there has been less coming and a lot more going. When the world was sill populated by hunter-gatherers , small tightly knit (聯(li锟斤拷n)系)groups developed their own patterns of speech independent of each other. Some language experts believe that 10000 years ago, when the world had just five to ten million people, they spoke perhaps 1200 languages between them.

锟斤拷锟斤拷Soon afterwards, many of those people started settling down to become farmers, and their languages too became more settled and fewer in number. In recent centuries, trade, industrialization, the development of the nation-state and the spread of universal compulsory education, especially globalization and better communications in the past few decades, all have caused many languages to disappear, and dominant languages such as English, Spanish and Chinese are increasingly taking over.

锟斤拷锟斤拷At present, the world has about 6800 languages. The distribution of these languages is hugely uneven. The general rule is that mild zones have relatively few languages, often spoken by many people, while hot, wet zones have lots,often spoken by small numbers. Europe has only around 200 languages; the Americas about 1000; Africa 2400; and Asia and the Pacific perhaps 3200, of which Papua New Guinea alone accounts for well over 800. The median number (锟斤拷位锟斤拷(sh锟斤拷)) of speakers is a mere 6000, which means that half the world's languages are spoken by fewer people than that.

锟斤拷锟斤拷Already well over 400 of the total of 6,800 languages are close to extinction (锟斤拷锟斤拷),with only a few elderly speakers left. Pick, at random, Busum in Cameroon(eight remaining Speaker), Chiapaneco in Mexico (150), Lipan Apache in the United States (two or three) or Wadjigu in Australia (one, with a question-mark) none of these seems to have much chance of survival.

锟斤拷锟斤拷31. What is the main idea of the text?

锟斤拷锟斤拷A.New languages will be created.

锟斤拷锟斤拷B.People’s lifestyles are reflected in fewer languages.

锟斤拷锟斤拷C.Human development results in fewer languages.

锟斤拷锟斤拷D. Geography determines language evolution.

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟铰碉拷锟阶讹拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟铰碉拷锟斤拷锟絵锟斤拷Languages have been coming and going for thousands of years, but in recent times there has been less coming and a lot more going.锟斤拷锟接碉拷锟絑(y锟斤拷)锟斤拷锟劫ｏ拷锟斤拷失锟斤拷锟絑(y锟斤拷)锟皆讹拷锟斤拷锟劫結(ji锟斤拷)锟斤拷锟斤拷锟铰帮拷锟秸時(sh锟斤拷)锟絞锟斤拷锟斤拷v锟斤拷锟斤拷锟斤拷類發(f锟斤拷)展锟斤拷锟組(j锟斤拷n)锟教猴拷锟絑(y锟斤拷)锟皆碉拷锟斤拷失锟斤拷锟斤拷锟斤拷锟揭傦拷锟斤拷锟皆得筹拷C锟斤拷锟斤拷

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锟斤拷锟斤拷A

锟斤拷锟斤拷At the age of seven, while his friends were spending their allowances on candy and toys, Jose Adolfo Quisocola, from Peru, came up with the creative idea of an eco-bank, which allows kids of all ages to become economically independent and financially wise while also helping the environment.

锟斤拷锟斤拷Established in 2012, The Bartselana Student Bank is the world’s first cooperative bank for kids. Whoever wants to join has to bring in at least 5 kilograms(11 pounds) of solid waste(paper or plastic) and establish a savings goal. Once accepted, all bank “partners” are required to deposit at least one additional kilogram(2.2 pounds) of recyclables on a monthly basis and obey other requirements, such as attending financial education and environmental management workshops. The waste accumulated is sold to local recycling companies, who, thanks to some clever negotiation by Jose, pay a higher-than-market rate for everything brought in by Bartselana Student Bank members. The funds received are placed in the individual’s account where they collect until his锟斤拷her savings goal is reached. The account holder can then withdraw his锟斤拷her money, or choose to leave it and continue to grow for a bigger target.

锟斤拷锟斤拷“At the beginning, my teachers thought I was crazy or that a child could not undertake this type of project, ” Jose recalls. “They did not understand that we are not the future of the country but its present. Luckily, I had the support of the school principal and an assistant in my classroom.”

锟斤拷锟斤拷The youngster’s persistence paid off. Today, the eco-bank, which now has the support of several local institutions, has ten educational centers and begins accepting applications from kids all across Peru. On November 20, 2018, the young boy was awarded the famous Children’s Climate Prize (CCP). “Jose’s eco-bank is a brilliant way of linking economy and climate impact, both in thought and practice. The potential impact is amazing,” a judge said.

锟斤拷锟斤拷Hopefully, Jose’s success will inspire more kids and adults to come up with new ideas that create value while helping the environment. As the boy says,” Together we can change the world…we just need an opportunity…”

锟斤拷锟斤拷1. What can be a suitable title for the passage?

锟斤拷锟斤拷A. An Amazing Boy锟斤拷Jose

锟斤拷锟斤拷B. Recycling does Count Much

锟斤拷锟斤拷C. An Opportunity to Change the World

锟斤拷锟斤拷D. An Eco-bank, Economical and Ecological

锟斤拷锟斤拷B

锟斤拷锟斤拷Solar energy systems/power plants do not produce air pollution, water pollution, or greenhouse gases. Using solar energy can have a positive, indirect effect on the environment, when solar energy replaces or reduces the use of other energy sources that have larger effects on the environment.

锟斤拷锟斤拷However, some poisonous materials and chemicals are used to make the photovoltaic (锟斤拷電池碉拷) cells that convert sunlight into electricity. Some solar thermal (锟斤拷锟斤拷锟�) systems use potentially hazardous liquids to transfer heat. Leaks of these materials could be harmful to the environment. U. S. environmental laws regulate the use and settlement of these types of materials.

锟斤拷锟斤拷As with any type of power plant, large solar power plants can affect the environment near their locations. The placement of the power plant may have long-term effects on the habitats of native plants and animals. Some solar power plant-s may require water for cleaning solar collectors and concentrators or for cooling turbine generators. Using large volumes of ground water or surface water in some dry locations may affect the ecosystems that depend on these water resources. In addition, the beam of concentrated sunlight a solar power tower creates can kill birds and insects that fly into the beam.

锟斤拷锟斤拷The amount of solar energy that the earth receives each day is many times greater than the total amount of all energy that people consume each day. However, on the surface of the earth, solar energy is a variable and irregular energy source. The amount of sunlight and the intensity of sunlight varies by time of day and location. Weather and climate conditions affect the availability of sunlight daily and on a seasonal basis. The type and size of a solar energy collection and conversion system determines how much of the available solar energy we can convert into useful energy.

锟斤拷锟斤拷2. What does the last paragraph mainly tell us?

锟斤拷锟斤拷A. Different areas receive different amount of solar energy.

锟斤拷锟斤拷B. How to convert solar energy into useful energy.

锟斤拷锟斤拷C. The relationship between solar energy collection and the sunlight.

锟斤拷锟斤拷D. Some factors that influence the amount of solar energy collection.

锟斤拷锟斤拷3. What does the author think of the solar energy systems?

锟斤拷锟斤拷A. They are totally environment-friendly.

锟斤拷锟斤拷B. They have both advantages and disadvantages. C. They should be forbidden in the future.

锟斤拷锟斤拷D. They should be encouraged in quantities.

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