练()
In the far corner of the front yard of a large house in Florida _1___(rest) an RV — 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 — a lifestyle without relying on electricity supply
Culhane began living off the grid in the late 1990s __4____ he went into 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 __8____ his relatives told him they had no air conditioning or electricity — but they had plenty of fresh fruits from orchards (果园) ___9___ lots of cold drinks chilled by the icy stream from the ice caps of the nearby mountain This is _10____(amaze) says Culhane
答案 1rests 2in 3 entirely 4 when 5 that
6inspired 7 a8 because 9and 10 amazing
练(二)
He met Ena __1___ she was living in an ecovillage in Portugal Ena said she liked the feeling of __2___(be) low impact of being virtually harmless to the earth Culhane was impressed and fell in love with her The couple got married __3___(live) on the same property that they currently have They moved into their first home together — an RV ___4___ they promptly took completely off grid
Inside their RV Culhane and Ena have hot showers a working gas stove ___5___refrigerator a washing machine and a big screen TV They use gas __6____(create) by their onsite biodigesters (生物煮解器) to cook on a gaspowered stove They also use energy created by the biodigesters ___7_____(heat) their bath water They feed the biodigesters using their own food waste — at no additional cost to the earth
Sometimes on weekends the RV is turned _8___ a classroom The couple host workshops to let the community members and students know living an off grid life is getting ___9___ (easy) and teach them how to respect and coexist __10____(peaceful) with the environment
答案 1when 2 being 3 living 4 which 5a
6created 7to heat 8 into 9 easier 10 peacefully
练(三)
The Mandarin (普通话)speaking figure spins around _1____ 360degree 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 12foothigh projection (投影) to order virtual bean curd ___3__ the panda waiter chat with Beijing market sellers and practice Tai chi by mirroring moves of a watchful teacher
____4__(definite) less anxiety than messing __5___ up with a real 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 students' words answer their questions __8____ observe their gestures Lessons are presented as games ___9___ tasks like ___10____(order) a meal
答案 1a2 that 3 from 4 definitely 5it
6to 7 that 8and 9 or 10 ordering
练(四)
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 RPI
Tests on the room with students __2___(study)Mandarin will continue 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 __9___same type of technology being applied to other spaces such as corporate boardrooms We're not at the end of the line Jackson says but ___10__(close) to the beginning
答案 1 to complete 2 studying 3as 4for 5 notable
6going 7to 8 fear 9the 10
练(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 possibly carcinogenic (致癌) In other __4____(word) each one could cause cancer
Researchers at the International Agency for Research on Cancer found evidence __5___ drinks at temperatures above 65 degrees Celsius ____6___ swallowed can cause cancer of the esophagus (食道).
The researchers examined findings from other studies __7____ tea and 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 __9___ smoking and alcoholic drinks
However this form of cancer is ___10___(common) in areas where people have drinks at very high temperatures
答案 1it 2 avoid 3 In 4 words 5 that
6when 7 where 8 developed 9to 10 more common
练(六)
In Europe and the United States many people drink coffee and tea __1____temperatures around 60 degrees Celsius __2__they often add milk ___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 since ___6___(change)changed their 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 that ____8_(drink) very hot beverages is one probable cause of esophageal cancer __9____ that it is the temperature rather than the drinks themselves ____10___appears to be responsible
答案 1at 2 And 3 which 4 closer 5as
6have changed 7 of 8 drinking 9and 10 that
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