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Tokyo: Three snakes, whose poison could kill a person in ten minutes, are guarding a blue star sapphire (蓝宝石)worth nearly six hundred thousand dollars at a Japanese exhibition of jewels sent from an Indian museum.
“Normally it would be forbidden to let these poisonous snakes guard exhibiton objects, but it's different this time because the jewels are being exhibited at a hotel. ”a police official said.
Exhibition officials said that a person bitten (咬)by one of these snakes would need at least 80m1 of an anti-poison medicine to be saved. Medicine was being kept ready at a nearby hospital.
The star sapphire and other valuable jewels worth a total of one million dollars are on show behind glass. Hundreds of visitors came to see the special blue star sapphire and were surprised when they saw the sixty-centimetre-long brown guards.
1.Using snakes at exhibitions of valuable objects is ________.
[ ]
A.quite normal
B.never allowed
C.often necessary
D.usually forbidden
2.The jewels were being shown in ________.
[ ]
A.an Indian hotel
B.an Indian museum
C.a Japanese hotel
D.a Japanese museum
3.Why were the snakes and jewels at the same exhibition?
[ ]
A.They were both special things from India.
B.The snakes were to keep the jewels safe.
C.The organizers wanted to do something unusual.
D.People liked to visit an exhibition guarded by snakes.
4.Many visitors came to the exhibition because ________.
[ ]
A.the snakes were on show
B.so many jewels were being exhibited
C.exhibition officials said it was special
D.they were interested in seeing a famous jewel
5.If the visitors were bitten by one of the poisonous snakes, he ________.
[ ]
A.would be saved by anti-poison medicine
B.would be dying soon
C.would feel nothing serious
D.would run away as soon as possible
查看习题详情和答案>>Simply by analyzing a drop of blood, a doctor will be able to diagnose a birth defect or even cancer when it is in the early stage; using new technology, a material lighter but much stronger than steel can be produced.
These may sound like dreams at present. But the dreams may soon come true as research findings in laboratories are being turned into products more rapidly in the new century, according to experts participating in the fourth Asia-Pacific Economic Cooperation (APEC) Technomart, a technology exhibition and trade fair in Suzhou.
"Most people think nano-technology(纳米技术)is too far-fetched to be real. But in fact nano-technology has been applied in a wide range of fields, such as medicine. It is coming into our daily life," said Cheng Jiachong from a Hong Kong-based nano-technology firm.
Nano-technology based on the nanometer, the unit of which is a billionth of a meter, enables scientists to have new concepts of disease diagnosis and treatment on a molecular(分子)and atomic scale, Cheng said.
By using nanometer particles, a doctor can separate the fetus cells(胚胎细胞)from the blood of a pregnant woman to see if the development of the fetus is normal. This method is also being used in the early diagnosis of cancer and heart disease, he said.
One of the most significant impacts of nano-technology is at the bio-inorganic materials interface, according to Greg Tegart, executive advisor of the APEC Center for Technology Foresight.
"By combining enzymes(酶)and silicon chips we can produce biosensors. These could be implanted in humans or animals to monitor health and to deliver corrective doses(剂量)of drugs," he told the participants a technology forum during the exhibition.
"Nano-technology could affect the production of nearly every man-made object, from automobiles, tires and computer circuits(电路), to advanced medicines and tissue replacement, and lead to the invention of objects yet to be imagined," said David Minns, a special advisor to the National Research Council of Canada.
It has been shown that carbon nano-tubes are ten times as strong as steel, with one sixth of the weight, and nano-scale systems have the potential to make supersonic transport cost- effective and to increase computer efficiency by millions of times, he said.
The experts agreed that the APEC technology exhibition and trade fair provided many chances for exchanges of innovative ideas and products.
1.Realization of the dreams mentioned in the first paragraph will mainly base on ________.
A. APEC B. Chinese scientist
C. the APEC Center for Technology Foresight D. Nano-technology
2.The length of a nanometer equals to ______.
A.
meter
B.
meter
C.
meter D.
meter
3. We can imply from what David Minns said that _________.
A. Nano-technology could only be used to invent new objects.
B. Nano-technology could be widely used to produce or invent objects.
C. Nano-technology is a money-consuming technology.
D. Nano-technology can not be used to improve the service of Internet.
4. Compared to steel, carbon nano-tubes are ________.
A. stronger and lighter B. lighter but as strong
C. stronger but as light D. poor in quality
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During the fourth China Beijing High-tech(技术的)Industries Week, exhibitions, feature presentations, technological exchanges and trade talks, and other events are organized.
Exhibitions
●China International Exhibition Center
* Section for China’s key science and technology achievements of the Ninth Five-Year Plan (1996 -2000)
* Environmental protection and energy section
* Section for exhibitors from other provinces and municipalities(自治县)and regions of China
●China World Trade Center
* Exchange and Trade Fair(博览会)for Science and Technology Books and Sports Information Media
* The Trade Fair for Modern Intelligent Houses and Beijing Urban(城市的 )Real Estate(不动产)
●China Millennium(一千年)Monument
* Forum(论坛)and Exhibition of Foreign Sci-tech Universities
●China Agricultural Culture Center
* High-tech Construction Products Exhibition Feature Presentation
●Science and Education
* Scientists Forum on the New Century
●High-tech Industry
* Forum on Environmental Protection
* 2001 Forum on Bio-technology on Traditional(传统的)Chinese Medicine and Natural Medicine
Technical Exchanges and Trade Talks
●Trade talks on financial(金融的)
capital(资金)transformation
●Sino-Italian Forum and Trade Fair for the Development of IT and Communications Technology
1.If you want to know more about the high-tech achievements of different parts of China, you should go to ________.
A.China World Trade Center
B.China Millennium Monument
C.China International Exhibition Center
D.China Agricultural Cultural Center
2.These sessions mark the achievements of mankind in the fields of ________.
A.electronic communications, energy and education
B.sports technology, film-industry and environmental protection
C.network technology, high-tech industries and traffic
D.medicine, weather broadcast and finance
3.The advertisement is mainly about ________.
A.the major activities of the high-tech week
B.the time-table of high-tech week
C.the names of the meeting places
D.the topic of trade talks
查看习题详情和答案>>
Simply by analyzing a drop of blood, a doctor will be able to diagnose a birth defect or even cancer when it is in the early stage; using new technology, a material lighter but much stronger than steel can be produced.
These may sound like dreams at present. But the dreams may soon come true as research findings in laboratories are being turned into products more rapidly in the new century, according to experts participating in the fourth Asia-Pacific Economic Cooperation (APEC) Technomart, a technology exhibition and trade fair in Suzhou.
"Most people think nano-technology(纳米技术)is too far-fetched to be real. But in fact nano-technology has been applied in a wide range of fields, such as medicine. It is coming into our daily life," said Cheng Jiachong from a Hong Kong-based nano-technology firm.
Nano-technology based on the nanometer, the unit of which is a billionth of a meter, enables scientists to have new concepts of disease diagnosis and treatment on a molecular(分子)and atomic scale, Cheng said.
By using nanometer particles, a doctor can separate the fetus cells(胚胎细胞)from the blood of a pregnant woman to see if the development of the fetus is normal. This method is also being used in the early diagnosis of cancer and heart disease, he said.
One of the most significant impacts of nano-technology is at the bio-inorganic materials interface, according to Greg Tegart, executive advisor of the APEC Center for Technology Foresight.
"By combining enzymes(酶)and silicon chips we can produce biosensors. These could be implanted in humans or animals to monitor health and to deliver corrective doses(剂量)of drugs," he told the participants a technology forum during the exhibition.
"Nano-technology could affect the production of nearly every man-made object, from automobiles, tires and computer circuits(电路), to advanced medicines and tissue replacement, and lead to the invention of objects yet to be imagined," said David Minns, a special advisor to the National Research Council of Canada.
It has been shown that carbon nano-tubes are ten times as strong as steel, with one sixth of the weight, and nano-scale systems have the potential to make supersonic transport cost- effective and to increase computer efficiency by millions of times, he said.
The experts agreed that the APEC technology exhibition and trade fair provided many chances for exchanges of innovative ideas and products.
【小题1】Realization of the dreams mentioned in the first paragraph will mainly base on ________.
| A.APEC | B.Chinese scientist |
| C.the APEC Center for Technology Foresight | D.Nano-technology |
| A. | B. | C. | D. |
| A.Nano-technology could only be used to invent new objects. |
| B.Nano-technology could be widely used to produce or invent objects. |
| C.Nano-technology is a money-consuming technology. |
| D.Nano-technology can not be used to improve the service of Internet. |
| A.stronger and lighter | B.lighter but as strong |
| C.stronger but as light | D.poor in quality |
假如你是一位导游,原定计划今天带领外宾去农村参观,由于下雨参观活动延至明天。请用英语口头通知外宾今天新的活动安排。
内容要点如下:
1、时间、地点:上午8:30 宾馆门口乘车
2、活动安排:上午参观一所具有85年历史的中学,下午参观工业品展览,那儿展出许多新产品。
3、注意事项:准时上车,随身带好所需物品。如有问题,欢迎询问。
注意:1、通知只需把要点讲清楚,不要逐条翻译。
2、词数100左右。
参考词汇: 推迟,put off 工业品展览,exhibition of industry products
Goodmorning,Ladies and gentlemen,may I have your attention, please?_______
_________________________________________________________
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