7．Have you ever thought，"I wish I could take a year off and just travel around the world？"Well，three lucky American teenagers were able to do just that．The teens-two males and one female-got an all-expenses-paid，yearlong hike to five continents（五大洲）．
This trip didn't include any five-star hotels or shopping funs．Eighteen-year-old Jamie Fiel from Keller，Texas，17-year-old Arsen Ewing from Canyon，California，and 16-year-old Tyler Robinson from Lincoln，Massachusetts，didn't expect fancy treatment．They signed up the experience of a lifetime，which included hard work，often uncomfortable accommodations，and encountered with some of nature's most dangerous animals and environments．
Jamie，Arsen and Tyler were among hundreds of high school kids nominated by their science teachers to take this trip．Earthwatch Institute sponsored（贊助） this adventure．Each year，Earthwatch employs thousands of volunteers worldwide to help with scientific research projects．
The group went all around the world to get a close look at the most pressing environmental issues of time．Their assignments（工作） were as varied as their locations，and included measuring and attending pink flamingos （火烈鳥） in Kenya's Great Rift Valley，and tracking giant sea turtles in Costa Rica．
As they worked with the Earthwatch scientists，Jamine，Arsen，and Tyler began to understand that we are at a critical moment in the life of our planet．Time for change is running out．As the teens went from country to country and witnessed different environmental dangers and challenges，they understood that solutions to important environmental issues start with the power of one person's actions．They realized that each of them can make a difference．
61．These teenagers went on the journey around the worldA．
A．to go on sightseeing around the world．
B．to bring the kindness of America to other parts of the world．
C．to experience the most serious environmental problems on the earth．
D．to call on more teenagers to join Earthwatch Institue．
62．Which of the following is TRUE according to the passage？C
A．They often had to move from one hotel to another
B．They had to pay for their journey on their own expense．
C．They had to take great pains to collect environmental information．
D．They received a warm welcome every time they arrived at a new place．
63．By whom were these three teenagers nominated to take this trip？C
A．Their English teachers
B．Their math teachers
C．Their science teachers
D．Their history teachers
64．What did these teenagers learn from the journey？A
A．It was high time that people protected the environment．
B．Long journey was not suitable for school children．
C．Environmental problems can be solved if school children take part in．
D．We should get the whole world to help the children．
65．It can be inferred that Earthwatch Institute could beD．
A．a(chǎn)n international university that takes in students from all over the world．
B．a(chǎn) TV station that makes programmes on the beautiful scenery of the earth．
C．a(chǎn) travel agency that organizes adventure trips specially for school children
D．a(chǎn)n organization that brings science to life for people concerned about earth's environment．
分析 文章大意：一些人進(jìn)行環(huán)球旅行的目的是親身體驗一些嚴(yán)重的環(huán)保問題．
解答 61-65：ACCAD
61題答案：A 細(xì)節(jié)題．根據(jù)短文第四段第一句The group went all around the world to get a close look at the most pressing environmental issues of time可知：他們進(jìn)行環(huán)球旅行的目的是親身體驗一些嚴(yán)重的環(huán)保問題．
62題答案：C 細(xì)節(jié)題．根據(jù)短文第二段可知：這次旅行沒有五星級賓館也沒有購物的快樂，食宿不舒服，還常常會遇到危險．故選擇C．
63題答案：C 細(xì)節(jié)題．根據(jù)文中的amie，Arsen and Tyler were among hundreds of high school kids nominated by their science teachers to take this trip可知是科學(xué)老師，故選擇C．
64題答案：A 細(xì)節(jié)題．根據(jù)第三段最后一句及這次旅行所從事的活動推測可知：Earthwatch Institute是一個推廣環(huán)保科學(xué)知識的一個組織．
65題答案：D 細(xì)節(jié)題．根據(jù)短文最后一段"…we are at a critical moment in the life of our planet．Time for change is running out．"推測可知：人們保護(hù)環(huán)境已刻不容緩．
點(diǎn)評 本文是一篇日常生活類閱讀，題目涉及多道細(xì)節(jié)理解題，做題時結(jié)合原文和題目有針對 性找出相關(guān)語句進(jìn)行仔細(xì)分析，結(jié)合選項選出正確答案．推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案．
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