Light travels at a speed which is about a million times faster than the speed of
题型：不详难度：来源：
Thus, if we want to be honest, we cannot say “ The stars are shining tonight.” We have to say, “ The stars look pretty. They were shining four years ago but their light has only just reached Earth.”
小题1: Light speed is ________ than sound speed.
| A．millions times faster | B．a million times slower |
| C．about millions of times faster | D．about a million times faster |
| A．you can hear the gun before you see the smoke. |
| B．sound does not travel as fast as light. |
| C．the sound of the gun will reach you before the man fires his gun. |
| D．sound travels about a million times faster than light. |
| A．moon light | B．light rays | C．the nearest star | D．the moon |
| A．the stars have been shining all the time. |
| B．the stars seen tonight will be shining four years later. |
| C．the stars were shining long ago but are seen tonight. |
| D．the starlight seen today could be seen four years ago. |
答案
小题1:D
小题1:B
小题1:C
小题1:C
解析
举一反三
The Kids & Family Reading Report also says that 62 percent of kids prefer reading printed books rather than those on a computer．At the same time, those who search an author’s website or use the Internet to find books by a particular author, are more likely to read books for fun every day．
The study also once again proves that the time kids spend reading books for fun decreases after the age of eight and continues to drop through the teen years．The report is a follow-up to a 2006 study．But this time the focus is on the role of technology and when kids’ interest in reading starts to drop．
“Despite the fact that after the age of eight more children go online daily than read for fun daily, high frequency Internet users are more likely to read books for fun every day,” says Heather Carter, a writer of the report．
One in four kids between five and 17 say they read books for fun every day and more than half of kids say they read books for fun at least two to three times a week．One of the key reasons kids say they don’t read more often is that they have trouble finding books they like - a requirement that parents underestimate(低估)．
The study also finds that parents have a strong influence on kids’ reading, but only about half of all parents begin reading to their kids before their first birthday．The percent of children who are read to every day drops from 38 percent among five-to eight-year-olds to 23 percent among nine-to 11-year-olds - exactly the same time that kids’ daily reading for fun starts to drop．
“Parents’ engagement in their child’s reading from birth all the way through the teen years can have a great influence on how often their children read and how much they enjoy reading,” adds Carter．
小题1:What can we learn from the text?
| A．Children don’t like reading any more after the age of 8. |
| B．Most children like reading as well as going online. |
| C．All kids like reading e – books instead of printed ones. |
| D．Most children like going online instead of reading. |
| A．the study of kids’ reading has been made before |
| B．most parents begin reading to their kids from their birth |
| C．all kids like to get information using the Internet |
| D．nowadays all children still like to read books |
| A．The kids who often go online don’t like reading books. |
| B．Parents should teach their kids reading from an early age. |
| C．Sometimes it is difficult for kids to get the books they like. |
| D．When kids get older, parents spend more time with them. |
| A．the Internet | B．parents’ engagement |
| C．short supply of books | D．new technology |
| A．Do kids still like reading? | B．Kids’ interest in reading drops |
| C．New technology on kids’ reading | D．Parents’ influence on kids’ reading |
Scientists also found that one of the most important parts of their brains was 12 percent larger than those of unfit children. They believe that encouraging children to take exercise from a very young age could help them do better at school later. Researchers from the University of Illinois, in the U.S., studied the brains of 49 children aged nine and ten using a magnetic resonance imaging scan (核磁共振摄影扫描), a technique which provides very detailed pictures of organs and tissues in the body.
They also tested the fitness levels of the children by making them run on a treadmill (跑步机). The scientists found that the hippocampus, a part of the brain responsible for memory and learning, was around 12 percent larger in the fitter children.
Professor Art Kramer, who led the study published in the journal Brain Research, said the findings had important implications for encouraging individuals to take part in sport from a young age. “We knew that experience and environmental factors and socioeconomic status all impact brain development,” he said. “If you get some terrible genes from your parents, you can’t really fix that, and it’s not easy to do something about your economic status. But here’s something that we can do something about.”
小题1: If you want to improve your children’s result in school, ____________.
| A．it is worse to ensure that they do plenty of exercise |
| B．you can have their brain scanned |
| C．it could be better to make sure that they do a lot of exercise |
| D．you can do a lot except ensuring that they do exercise |
| A．The fitness level of the children is linked to their intelligence. |
| B．Children who have a larger hippocampus will probably have better memories. |
| C．You can do something about the genes from your parents. |
| D．Unhealthy children will probably have a smaller hippocampus than others. |
| A．genetic factor | B．economic status | C．physical fitness | D．economic development |
Oakley sniffs (嗅) until he comes to a bush, then stops, sits, and looks up at his handler. She bends to see what he has found: the waste of an endangered African wild dog. “Good dog!” she praises. The handler pulls a tennis ball from her pocket. Oakley jumps for his reward.
“He doesn’t actually want the waste,” says Aimee Hurt, a founding member of the U.S.-based group Working Dogs for Conservation. Hurt is in Kenya to train both Oakley and his handler. “He finds it so he can play with his ball. We’re the ones who want the waste.”
Detection dogs are sometimes taught to locate actual animals. Black-footed ferrets (雪貂) have been studied with their help. But more often the dogs learn to locate the waste of creatures such as bears, wolves and mountain lions.
What the dogs find provides scientists with data about a species. Scientists can use the DNA collected from animal waste to identify individuals, sex, and population sizes — all without ever seeing the animal itself. “It can take years to gather this kind of information if you have to trap animals,” Hurt explains.
Waste analysis might make a huge difference when wild species are accused of attacking domestic livestock (家畜). Hurt says, “A good detection dog will find the waste so we can see what the animal is actually eating.” This may help reduce problems between people and wildlife.
小题1: The underlined word “She” in Paragraph 2 refers to “_____”.
| A．the German shepherd |
| B．an African wild dog |
| C．Aimee Hurt |
| D．the handler |
| A．he wants to study endangered animals |
| B．he can get a tennis ball to play with |
| C．he wants to eat it |
| D．he wants to play with it |
| A．Trapping animals is not difficult. |
| B．People are making efforts to protect the environment. |
| C．Detection dogs attack domestic livestock frequently. |
| D．Collecting animal waste is a good way to gather information. |
| A．Detection dogs can help scientists study wildlife. |
| B．Detection dogs can defend wildlife. |
| C．Detection dogs can help the police catch the criminals. |
| D．Detection dogs can help local people defend domestic livestock. |
Ａ
Researchers who helped discover a new species of Mexican butterfly are offering to sell the naming rights to raise money to fund more research. Co-discoverer Andrew Warren is hoping to raise at least $50,000 by auctioning(拍卖) off the rights to name the 4-inch “owl eye” butterfly, which lives in Sonora, a Mexican state bordering Arizona.
“That would support at least two years of research for our team down in Mexico,” Warren said. “Money goes a long way down here in Mexico.”
According to the scientific tradition, discoverers of a new species have the say in naming it. In recent years, some discoverers have auctioned off their naming rights to raise money.
Warren said the amount being sought for the butterfly is not out of the question, noting that naming rights for a new monkey species brought in $650,000 two years ago. A group of 10 new fish species that went on the naming auction block at the same time earlier this year brought in a total of $2 million.
The butterfly discovered by Warren and researcher George Austin ranges as far north as Mexico.
The butterfly was actually in a collection, misidentified as an example of another new species, at the McGuire Center for Lepidoptera and Biodiversity at the Florida Museum of National History in Gainesville, said Warren. They soon began the hard process of determining that it was indeed a “new” model of butterfly.
After checking photos and comparing it with other known species, they determined it was a separate species.
小题1:Where did the researchers discover the new species of butterflies?
| A．In Sonora. | B．In Mexico state. |
| C．In a place in US. | D．Near the US-Mexico border. |
| A．To raise money for wildlife protection. |
| B．To raise money for more research. |
| C．To cause people’s attention to the new discovery. |
| D．To cover the cost of the research. |
| A．it was a new species at once |
| B．it wasn’t a species of American butterfly |
| C．it belonged to the monarch branches |
| D．it belonged to a new species |
| A．the new species of butterfly live both in the US and Mexico |
| B．it took the researchers a lot of efforts to determine the new species of butterfly |
| C．the researchers are not sure whether they can get the money they want from the auction |
| D．it is the first time that the new species of butterfly has been found |
d behavior. Within a few weeks Annie began to change her attitude and her behavior improved. Praise is one of the most powerful tools parents can use to teach their children good skills and help them grow. Praise works well when it is given and when you remember to use it frequently. It is important to praise all good behavior. Look for the good things your child does. Praise will have a lot of effects on your child. Use the 4 to 1 rule. For every bad behavior you notice, find four good behaviors or reasons to praise. It is a good way to remember to look for good behavior.
Remember to praise the things your child has already done well, or improvements in his behavior and new skills. Show your agreement by smiling and touching his shoulder or back. Be sure to say what your child did well in
detail. Tell your child how good behavior helps and that it is liked by others. 小题1:What was the result of recognizing Annie’s good behavior?
A．She started to correct he r bad behavior. |
| B．She was tired of her parents’ scolding. |
| C．She was not scolded for her bad behavior. |
| D．She spent more time praising her good behavior. |
| A．praising their children for what they did in detail |
| B．encouraging their children to go on doing good things |
| C．telling their children more about their bad behavior |
| D．praising their children in a good way with smiles |
| A．Praising is a better way than scolding. |
| B．Annie was a middle school student. |
| C．Annie’s parents are education experts. |
| D．Parents should not often show agreement. |
| A．How to Praise a Good Child |
| B．A Good Method of Praising Children |
| C．Praise More and Scold Less |
| D．The Importance of Good Behavior |
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