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The new invention is to make our daily life easier, ______it more difficult.A.not to makeB
The new invention is to make our daily life easier, ______it more difficult.
A.not to make
B.not make
C.not making
D.do not make
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The new invention is to make our daily life easier, ______it more difficult.
A.not to make
B.not make
C.not making
D.do not make
The author predicts that _________.
A. advances in new technologies will lead to great changes of society
B. the single invention, the chip, will lead to great changes in society
C. the future picture of the world can only be imagined by looking back
D. the use of personal computer and factory robots will be widespread
According to the passage, what does Keith want to do with his invention?
A.He wants to put his products into the market.
B.He wants to run an electronics company.
C.He wants to sell his idea of the machine to an electronics company.
D.He wants to go to Germany with his new machine.
It's similar to an ordinary record,except that it's read by a laser beam,and the information recorded on the aluminium is digital.
The makers claim that a CD can reproduce the original sound perfectly,without any distortion or background hiss. As the system is computerized,there's no loss of quality between the studio master and the record you buy.
Also,a CD is much tougher-than a vinyl(乙烯基)record,so it doesn't need such careful handling. Dust and dirt won't damage it,and as there's no contact between the laser and the disc, it will never wear out.
In the early 1800s the world【23】to change. There was little unknown land left in the world. People did not have to explore much any more. They began to work instead to make life belier.
In the second half of the 19th century many great inventions were made. Among them were the camera, the electric light and the radio. These all became a big part【24】our life today.
The first part of the 20th century saw more great inventions: the helicopter in 1909, movies with sound in 1926, the computer in 1928, and jet planes in 1930. This was also a time【25】a new material was first made. Nylon came out in 1935. It changed the kind of clothes people wore.
The middle part of the 20th century brought new ways to help people【26】disease. They worked very well. They made people healthier and let them live【27】lives. By the 1960's most people could expect to live to be at least 60.
By this time most people had a very good life.' Of course new inventions continued to be made. Man began【28】ways to go into space. Russia made the first step. Then the United States took a step. Since then other countries, including China and Japan, have made their steps into space.
In 1969 man took his biggest step away from earth. Americans first walked on the moon. This is certainly just a【29】though. New inventions will someday allow us to do things we have never yet【30】.
(56)
A.discoveries
B.creations
C.invention
D.inventions
用IS-LM模型预测下列冲击对收入、利率、消费和投资的影响。在每种情况下。解释美联储为了把收入维持在初始水平上应该采取什么措施?
a.在发明一种新的高速电脑芯片之后,许多企业决定把自己的电脑系统升级。
b.信用卡诈骗浪潮提高了人们用现金进行交易的频率。
c.名为《退休富人》(Retire Rich)的畅销书说服公众增加收入中用于储蓄的百分比。
Use the IS-LM model to predict the effects of each of the following shocks on income, the interest rate, consumption, and investment. In each case, explain what tile Fed should do to keep income at its initial level.
a.After the invention of a new high-speed computer chip, many firms decide to upgrade their computer systems.
b.A wave of credit-card fraud increases the frequency with which people make transactions in cash.
c.A best-seller titled Retire Rich convinces the public to increase the percentage of their income devoted to saving.
"State of the art" is something that is as modem as possible. It is a product that is based on the very latest methods and technology. Something that is "state of the art" is the newest possible design or product of a business or industry. A state of the art television set, for example, uses the modernest electronic design and parts. It is the best that one can buy.
"State of the art" is not a new expression. Engineers have used it for years, to describe the best and most modem way of doing something. Millions of Americans began to use the expression in the late 1970 ' s. The reason was the computer revolution. Every computer company claimed that its computers were "state of the art".
Computer technology changed so fast that a state of the art computer today might be old tomorrow. (80) The expression "state of the art" became as common and popular as computers themselves. Now all kinds of products are said to be "state of the art".
What is the purpose of the passage?
A.To tell how "high tech" and "state of the art" have developed.
B.To give examples of "high tech".
C.To tell what "high tech" and "state of the art" are.
D.To describe very modem technology.
Milk was one of the main foods for people long before history was written. Maybe【21】will remain an important food as long as there are【22】that give milk. The old word "milk"【23】Sanskrit(梵文), one of the oldest【24】known to man. A very old picture of milking,【25】was drawn five thousand years ago, has been found.
In the years long ago, people got their milk【26】their own animals. But【27】modern times new inventions made the milk industry(产业) a big business.【28】1851 Gall Borden found a way to【29】some of the water out from milk. This made milk keep longer. Four years later, Louis Pasteur【30】 a way to kill the bacteria(细菌) in milk. Then a special milk bottle was made. This was followed【31】 the invention of machines that could fill bottles with milk. The discoveries had a great effect(影响) on the milk industry. They meant that milk could be kept longer.
Some people believe that milk drinking will become less popular【32】 it has been. But remember how long milk has been an important food【33】 think of the many ways【34】 it is useful. It seems【35】 to say that the milk industry will always be important.
(36)
A.it
B.they
C.he
D.she
What is the main topic of the passage? ()
A.The need for agricultural advances to help feed a growing population.
B.The development of safer machines demanded by the labor movement.
C.Machinery that contributed to the agricultural revolution.
D.New Jersey as a leader in the agricultural revolution.
In 1963, a Grade 8 student named Tom Sims【C4】______ a ski-board for a school project in New Jersey. Then in 1966, a man named Sherman Poppen【C5】______ two skis together for his kids on Christmas day. He called his invention "the Snurfer," which 【C6】______ the words "snow" and "surf". In 1969, Jack Burton Carpenter received a【C7】______for Christmas. He soon began designing boards, and today "Burton" is a popular【C8】______of snowboard.
By the 1980s, snowboarding had become very popular.【C9】______, most ski resorts did not allow snowboarding because they thought it was too【C10】______. Since many snowboarders were young, many older skiers did not want them on the ski hills. The snowboarders had to go to the backcountry, 【C11】______ patrolled (有巡逻的) resorts.
Rejection at the resorts did not【C12】______snowboarding from growing in popularity. Eventually, the owners of ski resorts changed their views. They 【C13】______that they could make more money by allowing snowboarding. One by one, the resorts【C14】______ to welcome snowboards. Today, many resorts even set【C15】______special areas where snowboarders can practice their creative tricks.
【C1】
A.spreading
B.popular
C.ordinary
D.interesting
Classical Music Classical music is a form. of music needing high musical sills. If you wish to learn this kind of music, you have to go through
proper training,
Heavy Metal Music Heavy metal music came out after the Second World War. The melody of the song is heavily influenced by the structure of it. It is also known as "information music" In heavy metal music, songwriting is based on a from.
Hip hop Music this music always includes the use of instruments such the guitar, violin, piano, bass, drums and so on In this type of music,
the bass is the main instrument. It was first played by a group of traveling singers and poets of West Africa
Opera Music t first appeared in Italy in the 1600s. It has a great mixture of theatrical art and musical invention and is used in theaters.
Jazz Music This type of music has strong and complex melodies. The main musical instruments are the cornet, trumpet and violin, which
help carry the melody.
Besides these, there are many others such as the blues, New Age music, Celtic music, religious music, and chamber music.
1.()music needs high musical skills.
A.Classical
B.Heavy metal
C.Hip-hop
D.Opera
2.The main instrument in Hip-hop music is the().
A guitar
B.violin
C.piano
D.bass
3. The()is used in both Hip hop music and jazz music com
A.piano
B.Trumpet
C.violin
D.cornet
4. Opera music first appeared in().
A.Africa
B Italy
C.American
D.China
5. Which of the following is RIGHT according to the passage?()
A.Heavy metal music appeared after the First Word War.
B.Only after proper training can you learn the blues
C.People cal jazz music "information music"
D.in the world there are many kinds of music