Oil is one of our most important natural r . 2．She prefers pop music and jazz to c music. 3．The wounded soldier was u from his loss of blood. 4．A nations threaten the world peace. 5．You should che 题目和参考答案——青夏教育精英家教网—

题目内容

1．Oil is one of our most important natural r______________________.

2．She prefers pop music and jazz to c___________________ music.

3．The wounded soldier was u________________ from his loss of blood.

4．A___________ nations threaten the world peace.

5．You should check the cab has a business permit, and make sure you ask for a r__________.

6．He needed __________________（外科手术） after the accident．

7．His only ________________（消遣） are playing chess and working in the garden.

8．The people all __________ （鞠躬）down before the Emperor.

9．Could you sign the hotel ______________（登记） please, sir?

10．Let’s ________（干杯） the friendship between two countries.

1.resources 2．classical 3．unconscious

4．Aggressive 5．receipt 6．surgery 7．recreations

8．bowed 9．register 10．toast

练习册系列答案

天利38套高中名校期中期末联考测试卷系列答案

口算题应用题天天练神机妙算系列答案

应用题点拨系列答案

相关题目

Though “nanometer” is now a fashionable term all over the world,few people know exactly what it is.It has become a new favorite of manufacturers and sellers in recent years.Many “high-tech” products bearing the name “nano” have entered the market,bringing more mysterious feeling to surprised consumers.

Nanometer is a very small length unit of measure,and is very small.One millimeter is 1000 micrometers,and one micrometer is 1000 nanometers.That is,one nanometer is one billionth of a meter.Nano materials are solid materials composed of particles or crystallites of less than 100 nanometer in size.Then,is a cup made of nano material really any different from an ordinary cup in function as far as how it works?

Are nano cups really so wonderful?A reporter went to the Institute of Nanomedicine,which is the first such institute of such a sort in the world and the only one in China,specializing in researching the investigation of the application of nano technology into medicine.

Ji(director Institute of Nanomedicine):

A water molecule is composed of 2 hydrogen atoms and 1 oxygen atom.It can be alterchanged only by special manipulation of the atoms.The material constituting the cup can have a nanometer particles size of the nano level.But it cannot change the chemical and physical properties of the water contained in it.The water in the cup is still water.When people drink it,it will produce no special effect on human body.

Prof.Ji told the reporter,so far,the investigation of nano materials is still confined in the laboratory.No commercial micro products can be produced yet.With the present level of science and technology,the time of everyday goods age of daily use articles made of nanometer materials is still years away.

The commodities labeled with nano marks in the market now are only traditional products coated with a thin layer of nanometer material,which makes them more abrasion resistant,much easier to be cleaned,or oil repelling or moth proof.

Prof.Ji explained that nano cup is a real cup.It can also be included in the list of nano products in a certain sense.But the nano cup has not changed its property and function as a cup.It is not a magical medicine for curing and health care.

Which of the following shows the right relationship?

A.nanometer<millimeter<micrometer<meter

B.nanometer<micrometer<millimeter<meter

C.micrometer<millimeter<nanometer<meter

D.millimeter<micrometer<nanometer<meter

The underlined part in the last second paragraph but one is about_________.

A.the strong points of nano cups B.the shortcomings of nano cups

C.the uses of nano cups D.the wonders of nano cups

Which of the following does not show that nano cups are different from ordinary cups?

A.Nano cups can’t make people healthier.

B.Nano cups are made of a different material.

C.Nano cups are much easier to be cleaned.

D.Nano cups are hard to produce.

According to the text,nano cups in the market are_________.

A.only traditional products

B.ordinary cups covered with a little nanometer material on the surface

C.cups made of a nano material

D.cups made of a mixed material

Burning the midnight oil before an exam or interview has an opposite effect according to a research which found that sleep is necessary for memories to be “downloaded” into the brain.

“A good night's sleep within 30 hours of trying to remember a new task is a necessary condition of having good recall in the weeks ahead，” scientists have found.

“We think that getting that first night's sleep starts the process of memory consolidation(加强)，” said Robert Stickgold, a sleep researcher at Harvard Medical School who conducted the latest study.

“It seems that memories are normally washed out of the brain unless some process nails them down. I feel uncertain that sleep is one of those things that do the nailing down，” Professor Stickgold said.

Professor Stickgold's team trained the 24 people to tell the direction of three diagonal bars (斜线) shown for a sixtieth of a second on a computer screen full of horizontal stripes(水平线)．

Half the subjects were kept awake that night, while the others slept. Both groups were allowed to sleep for the second and third nights to make up for any differences in tiredness between the volunteers.

Those who slept the first night were much better at remembering the task while the second group showed no improvement in spite of enjoying two nights of catch－up sleep.

A further study by scientists at the Medical University at Lubeck in Germany showed that memories are laid down in two stages during the night. The first is during the deep, so－called “slow wave” sleep, which usually takes place in the first half of the night. The second, and less important stage happens during the periods of dreaming or “rapid eye movement (REM)”. When people don't sleep well in the first half of the night, their memory consolidation is almost the same as having no sleep at all.

1. Which of the following statements is CORRECT according to the first paragraph?

A. It is necessary to burn the midnight oil before an exam or interview.

B. Sleep speeds up the loss of memory.

C. Man should have a good sleep if he wants to keep a good memory.

D. Staying up late will make you better prepared for an exam or interview.

2. It can be inferred from the fourth paragraph that________.

A. some process helps memories to be washed out of the brain

B. Professor Stickgold is doubtful about whether sleep can make memories worse

C. some memories normally influence the function of the brain

D. sleep may can improve the condition of memories

3. How was the research conducted by Professor Stickgold?

A. The subjects were divided into two groups.

B. All the subjects were kept awake for 3 nights.

C. One group slept at the first night but was kept awake the next two nights.

D. One group was kept awake for 3 nights but the other slept for the second and third nights.

4. What was the study result of the scientists' at the Medical University at Lubeck?

A. REM sleep is not important at all for the consolidation for memory.

B. Intellectual performance mainly depends on the slow wave sleep period.

C. When people sleep poorly in the first half of the night, it is almost the same as having no sleep at all.

D. REM sleep is as important as slow wave sleep in terms of memory recall.

5. The BEST title of this passage is “________”．

A. Sleep Necessary for Memories

B. The Importance of the First Stage of Sleep

C. Studies Made by Scientists About Sleep

D. The Scientists' Achievement in Sleep Research

Plastic is one of the most important technological discoveries of the 20th century.However，it may soon be replaced.The new development—liquid wood—can replace plastics in all branches of modern industries.

Plastic as a material enjoys the biggest demand in the modern world，but it does have a number of drawbacks.First and foremost，plastic isn’t recyclable.Secondly，it contains toxins (毒物) helping develop cancerous diseases.Finally，it’s made of oil and oil reserves aren’t endless.

The? liquid wood technology is likely to replace plastic and provide mankind with new materials for many years ahead.Norbert Eisenfreich，a senior researcher at? the Faunhofer Institute for Chemical Technology (ICT) in Germany，said that arboform，the new material，is made of lignin (木质素)，which can be obtained from soft tissues of wood.Once mixed with several other materials，it turns into solid and non?toxic alternative for plastics.

ICT team leader Emilia Regina Inone?Kauffmann said the wood?working industry separates wood into three basic components，including lignin.Lignin isn’t used for the production of paper.Specialists of ICT mixed lignin with several natural materials and thus invented the material which could be melted and molded (铸型)．

When solid，arboform looks like plastic and possesses the qualities of polished wood.It can be used for the production of any items.Arboform is already used for the production of car parts which require extra strength.In addition，liquid wood can be recycled repeatedly.The material preserved all of its qualities even if it’s reprocessed ten times.

However，the new invention doesn’t enjoy an extensive use due to the high content of sulphur (硫) in it.German researchers are sure to reduce the amount of sulphur by 90 percent very soon to make arboform usable for home needs.

1.According to the passage，plastic________.

A．plays a big role in the modern world

B．helps to protect our environment in some way

C．has been replaced by the newly discovered material

D．helps us to reduce the use of petrol

2.What’s the advantage of arboform over plastics?

A．It is easily made from natural oil.

B．It is more widely used in household.

C．It is recyclable and friendly to the environment.

D．It contains no poisonous materials.

3.It can be concluded that German researchers will focus their future work firstly on________.

A．the material’s extensive use

B．the content of sulphur in arboform

C．the production cost of arboform

D．the qualities of liquid wood

4.The main purpose of the passage is to________.

A．advertise the new material—arboform

B．introduce liquid wood which will replace plastic

C．advertise new products made of arboform

D．show readers how to produce arboform

阅读下面短文，根据所读内容在表格中的空白处填入恰当的单词。

注意：每个空格只填一个单词。

From its energetic samba music to its die-hard soccer fans, Brazil has long been known as a nation of passion. But the country also offers amazing scenery and rich culture. Since Brazilian Culture Month is being held in a tour exhibition in China in September, let’s take the opportunity to explore this wonderful place.

Brazil is the largest and most populous country in South America. The Amazon in its north is the world’s largest jungle. The country’s wilderness is home to a variety of plants and animals. The great Iguazu Falls are the pearls of this natural paradise (天堂).

But the great landscape is not the only thing Brazilians take pride in. The colors green and yellow might make most people think of Brazil’s soccer team rather than the national flag. Soccer is more than sport; it’s a way of life. The World Cup brings Brazilians together. Interestingly, the general elections in Brazil are usually held during the same year as the World Cup Political parties try to take advantage of the patriotic(爱国的) enthusiasm(热情) created by soccer to inspire enthusiasm for politics.

For the next couple of years, Rio de Janeiro, Brazil’s second largest city, will grab the world’s attention. It will host the World Cup in 2014 and two years later, the Olympics. For the first time in their 120 years, the Olympic Games will be held in South America when they come to Brazil.

Of course, no Brazilian celebration is complete without the samba. The most traditional dance of the country stands out every February at the Rio Carnival, which is one of the world’s biggest.

“Brazil has left its second-class nation status,” former Brazilian President said in 2009 after Rio was awarded the 2016 Olympics. “Brazil’s growing economy, supported by oil and aircraft factories, has made it more than a nation of samba and the beaches and the emotional soul of soccer.”

An 1..______________ to Brazil
Great 2.. _____________	It is the largest and most populous country in South America and home to 3..__________ plants and animals. The Amazon in its 4.._______ is the world’s largest jungle. The great Iguazu Falls is the pearl of this 5..__________ paradise.
Rich culture	Soccer has become a way of life in Brazil. The sport even makes people become 6.. ____________ about politics. Samba is the most 7..________ dance in the country. It is also the focus of the Rio Carnival, one of the biggest in the world.
Looking into the 8..______________	Rio de Janeiro will grab the world’s attention by 9.._________ the World Cup in 2014 and the Olympics in 2016. The 10..__________ in economy will help raise the status of the nation in the world.

试题分类