题目内容
---Did the naughty boy break the glass by chance?
---No, ________.
A. of course B. on purpose C. by hand D. for pleasure
B
探究与巩固河南科学技术出版社系列答案In a six-week study, experts found people who played online games designed to improve their cognitive(认知的) skills didn't get any smarter.
More than 8,600 people aged 18 to 60 were asked to play online brain games designed by the researchers to improve their memory, reasoning and other skills for at least 10 minutes a day, three times a week. They were compared to more than 2,700 people who didn't play any brain games, but spent a similar amount of time surfing the Internet and answering general knowledge questions. All participants were given a sort of I.Q test before and after the experiment.
Researchers said the people who did the brain training didn't do any better on the test after six weeks than people who had simply been on the Internet. On some sections of the test, the people who surfed the Net scored higher than those playing the games.
"If you're (playing these games) because they're fun, that's absolutely fine," said Adrian Owen, the study's lead author. "But if you're expecting (these games) to improve your I.Q., our data suggests this isn't the case," he said during a press briefing on Tuesday.
One maker of brain games said the company's games have been proven to boost brain power.
"Their conclusion would be like saying, 'I cannot run a mile in under 4 minutes and therefore it is impossible to do so," Aldrich said in a statement.
"There is precious little evidence to suggest the skills used in these games transfer to the real world," said Art Kramer, who was not linked to the study and has no ties to any companies that make brain training games.
Instead of playing brain games, Kramer said people would be better off getting some exercise. He said physical activity can spark(激发) new connections between nerves and produce new brain cells. "Fitness changes the building blocks of the brain's structure," he said.
【小题1】. It can be inferred that the online brain games mentioned in the text are_____________.
| A．costly | B．unreliable | C．illegal | D．effective |
| A．The experiment lasted for a week. |
| B．Age didn’t affect the result of the research. |
| C．Every person played online brain games three times a day. |
| D．People who didn’t play online brain games did better in I.Q test |
| A．Playing games which are fun can improve your I.Q. |
| B．There is a lot of evidence to suggest skills can transfer to the real world. |
| C．Do physical activity can boost your brain power. |
| D．Playing online games can spark new brain cells |
| A．The research was not linked to the study |
| B．Those playing the games can score higher in the test |
| C．playing the games can spark new connections between nerves |
| D．This isn’t the case that these games can improve your I.Q. |
Why did the chicken cross the road? To get to the other side.
Most people know this joke. But recently, some people have been much more worried about how the grizzly bear and mountain lion can cross the road.
“Millions of animals die each year on U.S. roads,” the Federal Highway Administration reports. In fact, only about 80 ocelots, an endangered wild cat, exist in the U.S. today. The main reason? Roadkill.
“Eco-passages” may help animals cross the road without being hit by cars. They are paths both over and under roads. “These eco-passages can be extremely useful, so that wildlife can avoid road accidents,” said Jodi Hilty of the Wildlife Protection Society.
But do animals actually use the eco-passages? The answer is yes. Paul Beier of Northern Arizona University found foot marks left by mountain lions on an eco-passage that went under a highway. This showed that the lions used the passage.
Builders of eco-passages try to make them look like a natural part of an area by planting trees on and around them. Animals seem to be catching on. Animals as different as salamanders（火蜥蜴）and grizzly bears are using the bridges and underpasses.
The next time you visit a park or drive through an area with a lot of wildlife, look around. You might see an animal overpass!
【小题1】 The writer uses the example of “ocelots” to show that __________.
| A．wild animals have become more dangerous |
| B．the driving condition has improved greatly |
| C．an increasing number of animals are killed in road accidents |
| D．the measure for protecting wildlife fails to work |
| A．an underground path for cars |
| B．a fence built for the safety of the area |
| C．a bridge for animals to get over a river |
| D．a path for animals to cross the road |
| A．animals begin to realize the dangers on the road |
| B．animals are crossing the road in groups |
| C．animals are increasing in number |
| D．animals begin to learn to use eco-passages |
| A．wild animals may attack cars | B．they may see wild animals on eco-passages |
| C．they may see wild animals in the park | D．wild animals may jam the road |
| A．Special bridges help animals cross the road |
| B．Endangered animals increase because of roadkill |
| C．Animals fail to cross the road |
| D．Take steps to protect animals in danger |
Mr. Harris used to work in Dover, but then he changed his work, and he and his wife moved to another town. They did not have many friends there, but they soon met a lot of interesting people, and after a few weeks, they often went to dinner or to parties at other people’s houses.
Then Mrs. Harris said to her husband, “We’ve been to a lot of other people’s houses, and now we must invite them to our house, mustn’t we?”
“Yes, certainly,” answered her husband, “A big party will be the easiest thing, won’t it? Then we can start to invite people to dinner in small numbers next month.”
So Mrs. Harris said, “Yes, I’ll invite all our friends here to a big party on 5th December.”
“How many will that be?” Mr. Harris asked. “Don’t invite too many.”
Mrs. Harris was beginning to write the invitations when her husband saw that she was writing, “Party. 6.30 to 8.30 p.m.”
“That isn’t very nice, is it?” he said. “You’re telling our guests that they must go at 8.30.” So Mrs. Harris just wrote “Party. 6.30 p.m.”
A lot of guests came, and they all had a good time, so they did not go home at 8.30. In fact they were still there at mid-night when the door bell rang and a policeman arrived. He said, “You must stop making a noise, because someone has complained.”
Mr. Harris said he did not want to quarrel with the policeman, so everyone went home. They were sorry to have to go.
When Mr. and Mrs. Harris were alone again, she said to him. “That was a surprise, wasn’t it? Who complained about the noise?”
“I did,” Mr Harris answered in a tired voice.
【小题1】Why did Mr. Harris and his wife move to another town?
| A．They wanted to make some new friends. |
| B．Mr. Harris changed his work. |
| C．They wanted to meet a lot of interesting people. |
| D．They enjoyed going to parties and visiting other people’s houses. |
| A．It was easy to hold a big party at home. |
| B．They could ask people to dinner in small numbers. |
| C．They had gone to other people’s parties many times. |
| D．They liked making friends with others. |
| A．From the morning till night. | B．About fourteen hours. |
| C．About two hours. | D．Till midnight |
| A．At about 8.30. |
| B．When the policeman talked with Mr. Harris on the phone. |
| C．About twelve o’clock.. |
| D．When someone telephoned the police station. |
| A．Because someone rang his door bell many times at mid-night. |
| B．He did not want his friends to stay late that night. |
| C．His friends had a good time that night and also feel tired. |
| D．Because he hated the noise. |
Five years ago, I was sent to a better middle school. For me, everything there was new and strange. After I had been there for two months, there was an important test in the middle of the term. It covered all my courses. In that test, I didn’t get a good grade, but most of my classmates got an A or A’.
It made me upset for a long time. I felt everything in the world was changing. I thought my classmates were all better than me. During those days I was very unhappy.
One day, my aunt, after talking with my teachers, talked to me. She told me to think about what I had done in the past and what I should do in the future. I was shocked by her words. I thought about what I had done during the past months, and I found I had done nothing to improve my grades. I thought I should work harder.
After that, I paid more attention to the teachers’ talking in the classes, and I asked my teachers or my classmates when I didn’t understand something. I stud
ied very late at night when I met with difficult problems. Most of all, I came to understand the importance of taking notes in class. As a result, I did better in some tests.
About three months later, the most important test came at the end of the term. This time, I stood out not only in my class but also in the grade. From then on, I have tried to do my best when I do something because I know if I want something, I should work hard for it.
【小题1】Why did the writer fall behind in the new middle school?
| A．Because the teachers didn’t treat him well enough. |
| B．Because the subjects were becoming more difficult. |
| C．Because he hated the life in the new school. |
| D．Because he didn’t put his heart into study. |
| A．She punished him for not working hard. |
| B．She helped him find out the reasons for his poor performance. |
| C．She forced him to work harder. |
| D．She asked his teachers to talk with him about his problems. |
| A．Asking teachers for help when in difficulty. | B．Working deep into the night every day. |
| C．Making notes in class. | D．Listening to every word his teachers said. |
| A．The writer failed again in the exam. | B．The writer did very well in the exam. |
| C．The writer became the cleverest in the class. | D．The writer was very proud of his progress. |