题目内容

You can use a large plastic bottle, _____ cut off, as a pot to grow your plant in.

A. the top is B. with its top

C. whose top D. the top of which be

B

【解析】

试题分析:考查with复合结构。句意:你可以用一个塑料瓶,把塑料瓶的顶部切下来,做一个花瓶来种花。排除C和D 是因为空后是一个非谓语done,不是句子不能用连词,A不对是因为选了A构成了两个简单句没有连词,B构成with的复合结构:with + 名词或代词 + done,名词活代词和done之间构成被动关系,所以B正确。

考点:考查with复合结构

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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 waves as power.

Believed to be a world first, the team claims it could eventually get rid of the need for conventional batteries. The university has now applied for a patent(专利) 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---in theory, these waves could be used to create power.

“The new 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 pattern 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 leave somewhere between 20,000 and 30,000 tons of batteries in landfill(垃圾填埋)sites every single year-that is poisonous chemicals going into the ground.”

He added that development of the product could also be “commercially(商业) 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 carrying out creating research.”

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 poisonous chemicals.

2.According to Professor Allen, power harvesting technology______.

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.

3.What can we learn about Professor Allen and his team from the text?

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.

4.What is Professor Carsten Maple’s attitude toward the new technique?

A. Critical. B. Favorable.

C. Disapproving. D. Negative.

5.What is the text mainly about?

A. A new technique to create power.

B. A big problem concerning conventional batteries.

C. Some special sources of power.

D. The development of power harvesting.

根据短文内容,选出能填入空白处的最佳选项,有两处多余选项。

1._ One of the best things you can possibly do is to start you own club. It’s great fun especially if you are the sort of person who feels there’s never anything to do during the school holidays.

The first thing you need to come up with is an idea for your club. _2._ Pets, clothes, pop music or dancing groups, sports, making things? the list is endless.

Next you need some friends to be in your club with you. _3._ All you need is three or four other people who are interested in the same thing as you.

_4. You should all sit down somewhere together with lots of pieces of paper and write down every name you can think up.That’ll keep you busy for ages.

At your first meeting you should make up a rule book. And the first rule should be no grown-ups or little/big brothers or sisters! The best clubs are always secret!

Now you have just about everything you need, except membership cards. these are very important and again you can speed a lot of time making them. 5. Why not leave some space for a photo of yourself?That will make the membership card really look like it.

So there you are, get clubbing! Once you get started you’ll think of loads of more interesting things to do!

A. that’s easy.

B. enjoy your own club!

C. invite a designer to join you.

D. what are you interest in?

E. some vacation is just around the corner.

F. then you need to pick a name for your club.

G. use a bright thick pen to make a special design.

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