资源描述
练习(一)In the far corner of the front yard of a large house in Florida _1(rest)
an RV 一 Recreational Vehicle (活动房屋式旅游车),shaded by trees as clothing on a nearby line sways_2—the breeze. In this RV, National Geographic explorer Thomas Culhane lives with his wife, Ena, almost —3 (entire) off the grid 一 a lifestyle without relying on electricity supply.
Culhane began living off the grid in the late 1990s, —4he wentinto the basement of his apartment building in Los Angeles and pulled the plug _5 delivered electricity. Even earlier though, he was first 6—(inspire) by sustainable living during _7—trip in 1970 to visit his relatives. He was eight years old and worried that his stay in their small village was going to be miserable _8his relatives told him they had
no air conditioning or electricity ——but they had plenty of fresh fruits from orchards (果园)9lots of cold drinks chilled by the icy stream fromthe ice caps of the nearby mountain. "This is _10(amaze), " says
Culhane.
答案 1 .rests 2.in 3. entirely 4. when 5. that6.inspired 7. a8. because 9.and 10. amazing
练习(二)He met Ena _1she was living in an ecovillage in Portugal. Ena
said she liked the feeling of _2(be) low impact, of being virtuallyharmless to the earth. Culhane was impressed and fell in love with her. The
couple got married, _3(live) on the same property that they currentlyhave. They moved into their first home together 一 an RV4they
promptly took completely off grid.
Inside their RV, Culhane and Ena have hot showers, a working gasstove,5refrigerator, a washing machine and a big screen TV. They
use gas _6 (create) by their on-site biodigesters (生物煮解器)tocook on a gas-powered stove. They also use energy created by the
biodigesters7(heat) their bath water. They feed the biodigestersusing their own food waste 一 at no additional cost to the earth.
Sometimes on weekends, the RV is turned _8a classroom. Thecouple host workshops to let the community members and students know
living an off grid life is getting9(easy) and teach them how torespect and coexist _10 (peaceful) with the environment.
答案 l.when 2. being 3. living 4. which 5.a
6.created 7.to heat 8. into 9. easier 10. peacefullyThe Mandarin (普 通话)-speaking figure spins around _1
360-degree restaurant scene in an artificial intelligence driven instruction program _2 looks like a giant video game. Rensselaer Polytechnic Institute students testing the technology move inside the 12-foot-high projection (投影)to order virtual bean curd3_ the panda waiter, chatwith Beijing market sellers and practice Tai chi by mirroring moves of a watchful teacher.
"4— (definite) less anxiety than messing _5 up with areal human being, " says Rahul Divakar, a computer science graduate student. " So compared _6 that anxiety, this is a lot easier. ”
The Mandarin Project is a joint enterprise of RPI and IBM. Cognitive and Immersive Systems Laboratory researchers are developing a sort of smart room _7— can understand students1 words, answer their questions —8observe their gestures. Lessons are presented as games 9 tasks, like10(order) a meal.
答案 1. a2. that 3. from 4. definitely 5. it6. to 7. that 8. and 9. or 10. ordering
“Our plan is _1(complete) several scenes of real life in China,to let the student be able to have a virtual trip over there, ” says Hui Su, director of the lab at RPL
Tests on the room with students _2 (study) Mandarin willcontinue this school year _3 they work on additional scenes, including an airport. A six -week course is being readied _4 the summer.
The Mandarin Project is 5 for its scale and complexity.
Computers interpret speech and gesture to keep a dialogue _6(go).
When a student points 7_ a picture and asks “What's that? " computers can come up with an answer. Still, language teachers need not 8—(fear) for their jobs just yet. Developers of the Mandarin Project say it isn't advanced enough right now to completely replace classroom instruction.
RPI president Shirley Ann Jackson foresees _9same type oftechnology being applied to other spaces, such as corporate boardrooms.
“We're not at the end of the line, ” Jackson says, “but10—(close)to the beginning."
答案 1. to complete 2. studying 3.as 4.for 5. notable6.going 7.to 8. fear 9.the 10.
练习(五)
The next time you make yourself a hot cup of tea or coffee, you might want to let _1— cool down a bit before drinking. Researchers say letting
your hot drinks cool off could help you _2— (avoid)some kinds of cancer.
—3— fact, the United Nations* cancer research agency decides to list hot drinks with lead, gasoline and exhaust fumes as u possibly carcinogenic (致癌的)” .In other _4(word), each one could causecancer.
Researchers at the International Agency for Research on Cancer found evidence _5drinks at temperatures above 65 degrees Celsius,6swallowed, can cause cancer of the esophagus (食道).
The researchers examined findings from other studies _7teaand coffee were often served at 70 degrees Celsius or above. Those studies were completed in China and South America. In 8(develop)
countries, health experts have linked esophageal cancer _9smokingand alcoholic drinks.
However, this form of cancer is10(common) in areas wherepeople have drinks at very high temperatures.
答案 Lit 2. avoid 3. In 4. words 5. that6.when 7. where 8. developed 9.to 10. more common
练习(六)
In Europe and the United States, many people drink coffee and tea —1temperatures around 60 degrees Celsius. —2—they often addmilk 3_ lowers the temperature considerably. However, tea drinkers in South America often enjoy their beverages at _4 (close) to 70 degrees Celsius.
In 1991, the World Health Organization listed coffee _5
“ possibly carcinogenic ” . WHO officials since6(change)changedtheir position on that listing. They now suggest that the temperature 7— your hot drink is a greater risk factor than the actual drink itself.
Christopher Wild is the director of the IARC. He said that the results suggest that8_(drink) very hot beverages is one probable cause ofesophageal cancer _9that it is the temperature, rather than the drinks
themselves,10appears to be responsible.
答案 l.at 2. And 3. which 4. closer 5.as6.have changed 7. of 8. drinking 9.and 10. that
展开阅读全文