题目内容
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The author uses the example of a rattle to show that ______.
A．in toy - making there is a continuity in the use of materials
B．it often takes a long time to introduce new technology into toy -making
C．even the simplest toys can reflect the progress of technology
D．even a simple toy can mirror the artistic tastes of the time
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更多“The author uses the example of…”相关的问题
To give us an idea of how large the rafflesia is, the author uses ______.
A. the size of an elephant for comparison
B. measurements
C. comparisons to other flowers
D. detailed descriptions of the flower's stem
A．eager to challenge existing conventions
B．eager to please but unsure of what the public wanted
C．excited to be experimenting in an undefined area
D．delighted at the opportunity to study new acting formulas
A．a saleswoman tilts her head after her customer to judge a color match
B．a lawyer imitates the tone of the judge’s voice and the rhythm of his speech
C．sensitive people have been mirroring their friends all their lives
D．a naughty boy blinks every time the teacher blinks
Magic (魔法)often forces us not to believe our own eyes or even appears to be breaking the laws of physics or nature! The word “magic” has many different meanings. When a bird appears in a hat or when someone declares that he could see into the future—-both can be called magic When a sick person suddenly becomes well or a well person (or even animal) becomes ill, magic is the cause The British author Terry Pratchett uses magic a great deal in his popular Discworld series of books.
Magic has always been used for fun. People enjoy working out in which cup the little ball is or how he knows which card I was thinking of Harry Houdini was one of the first world-famous magicians—famous for escaping from deadly situations. Recently David Copperfield,or David Blane,has become very popular for his uunbelievable abilitiesJ，such as making the Statue of Liberty disappear or rise.
Magical rings and three-headed dogs may not be real, but does this mean nothing magical really exists？ Can you always explain how the magician has done the card trick？ Maybe it is better not to explain,but to leave a little magic in our lives. Pick a card,any card.
The author explains what magic is in paragraph 1 by___________.
A.giving causes and effects
B.using examples
C.comparing a healthy person with a sick one
D.listing the time of magical events
Who is mentioned as a great escape artist？A.Harry Houdini
B.David Blan
C.
D.David Copperfield
E.Terry Pratchett.
What does the author think of magic？A.It provides people with fun
B.It changes our lives.
C.It explains strange things in our lives
D.It breaks the laws of physics.
请帮忙给出每个问题的正确答案和分析，谢谢！
The farmer uses wood to build a house ______ to store grains.
A．with which
B．to which
C．which
D．in which
The money a bank uses for lending is borrowed from depositors.
A．Right
B．Wrong
C．Doesn't say
A.Convert the drive so that it is a spanned volume
B.Convert the drive so that it uses the FAT32 format
C.Convert the drive so that it uses NTFS
D.Convert the drive so that it uses RAID 5
Currently there are some 20,000 chemicals in use, but the scientists only have detailed information around 1,000 of them.To see the advantages of GM food you have only to consider the recent press revelation that the average lettuce receives eleven pesticide applications before it reaches the supermarket shelf.I’m sure chemicals and their role in disease will become a big issue in the 21st century as the population of the developed world worries increasingly about its health.
The reason GM food will not go away is that we need a three-fold increase in food production by the year 2050 to keep pace with the world’s predicted population growth to ten or eleven billion.It’s not just a question of more mouths to feed either.What is often forgotten is that all these extra people will take up space, reducing the overall land available for agriculture.
The world has 800 million hungry people.Until now, food supplies have been increased by improved varieties, pesticides and artificial fertilizers: the green revolution.Now we’re on the edge of a new one: a genetic revolution.
It may well be that in the long term it is the developing world that benefits most from GM food.It is true that for the next years or so GM crops may be too expensive.
6. According to the passage, food supplies have been increased by all the following except_____________.
A.pesticides
B.artificial fertilizers
C.improved varieties
D.transportation
7.How many chemicals are still less familiar to the scientists？()
A.20,000.
B.1,000
C.19,000
D.21,000.
8.Why will people prefer GM food in the future？()
A.Because it uses less pesticides.
B.Because it is much cheaper.
C.Because the production is increased.
D.Because it is organic food.
9.Which of the following is NOT true？()
A.By 2050, the world population will grow to ten or eleven billion.
B.In the 21st century, GM food will take the place of conventional food.
C.More and more people will reduce the overall land available for farming.
D.More and more people will consume more food and occupy more space.
10.The author’s attitude towards GM food is _______.
A.negative
B.positive
C.critical
D.uncertain
