题目内容
This work of art is so __________ that I can’t see what the painter meant．
- A.new
- B.abstract
- C.abroad
- D.absorbed
此题考查形容词近义词辨析，abstract抽象的，与I can’t see what the painter meant 前后相呼应。
数学奥赛暑假天天练南京大学出版社系列答案
南大教辅抢先起跑暑假衔接教程南京大学出版社系列答案
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Researchers at the University of Bedforshire have developed a new technique for powering electronic device（装置）. The system, developed by Professor Ben Allen at the Centre for Wireless Research, uses radio（无线电） waves as power.
Believed to be a world first, the team claims it could eventually eliminate (or get rid of )the need for conventional batteries. The university has now filed a patent application to secure the only rights to the technique.
Professor Allen and his team have created a system to use medium wave frequencies to replace batteries in small everyday devices like clocks and remote controls.
The new technique uses the “waste” energy of radio waves and has been developed as part of the university’s research into “power harvesting”. Professor Allen said that as radio waves have energy―like light waves, sound waves or wind waves―then, in theory, these waves could be used to create power.
“The emerging（新兴的）area of power harvesting technology promises to reduce our reliance on conventional batteries,” he said. “It’s really exciting way of taking power from sources other than what we would normally think of.”
The team is now waiting for the results of the patent application to secure recognition of the technique. Professor Allen said that the team’s achievements had all been done in their “spare time”. “Our next stage is to try and raise some real funds so that we can take this work forward and make a working prototype（模型）and maybe partner up with the right people and take this to a full product in due course,” he said.
“Power harvesting has a really important part in our future, because, just in this country, we dispose of somewhere between 20,000 and 30,000 tonnes of batteries in landfill（垃圾填理）sites every single year－that is toxic chemicals going into the ground.”
He added that development of the product could also be “commercially beneficial”. “The market for this is several billion pounds. We’ve seen market predictions for 2020 which have these kinds of figures, so there’s a lot of commercial potential in this area,” he said.
Pro-Vice Chancellor at the University of Bedfordshire, Professor Carsten Maple, said, “This type of work is a reflection of the university’s growing reputation and experience in conducting innovative（创新的）research.”
【小题1】From the text we know the new technique for powering electronic devices_____.
| A．can be applied to all electronic devices. |
| B．uses radio waves to create power. |
| C．has replaced conventional batteries. |
| D．produces many toxic chemicals. |
| A．makes every use of radio waves. |
| B．takes power from usual sources. |
| C．reduces our dependency on conventional batteries. |
| D．aims at huge commercial benefits. |
| A．They have made use of radio waves in their daily life. |
| B．They have raised a big fund to support their research. |
| C．They have gained a patent for their new technology. |
| D．They mainly did their research in their spare time. |
| A．Critical. | B．Favorable. | C．Conservative. | D．Negative. |
| A．A new technique to create power. |
| B．A crisis concerning conventional batteries. |
| C．Some special sources of power. |
| D．The development of power harvesting. |
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