As they migrate, butterflies and moths choose the winds they want to fly with, and they change their body positions if they start floating in the wrong direction. This new finding suggests that insects may use some of the same methods that birds use for traveling long distances. Scientists have long thought that insects were simply at the mercy of the wind.
Fascinating as their skills of flight are, migrating behavior has been difficult to study in insects because many long distant trips happen thousands of feet above ground. Only recently have scientists developed technologies that can detect such little creatures at such great heights.
To their surprise, though, the insects weren't passive travelers on the winds. In autumn, for example, most light winds blew from the east, but the insects somehow sought out ones that carried them south and they positioned themselves to navigate directly to their wintering homes.
Even in the spring, when most winds flowed northward, the insects didn't always go with the flow. If breezes weren't blowing in the exact direction they wanted to go, the insects changed their body positions to compensate(补偿, 弥补). Many migrating birds do the same thing.
The study also found that butterflies and moths actively flew within the air streams that pushed them along. By adding flight speeds to wind speeds, the scientists calculated that butterflies and moths can travel as fast as 100 kilometers an hour. The findings may have real-world applications. With climate warming, migrating insects are growing in number. Knowing how and when these pests move could help farmers decide when to spray their crops.What's the main idea of the text?
| A．Insects migrate with the seasons. |
| B．The wind helps insects greatly in migrating. |
| C．Windsurfing insects have real direction. |
| D．Scientists have trouble in observing insects. |
Scientists originally thought that _____.
| A．insects always waited for their favorable winds |
| B．insects chose the winds they wanted to ride |
| C．insects were just blown about by the wind |
| D．insects positioned themselves in the winds |
It is not easy to study the migrating behavior of the insects because ______.
| A．the little creatures can fly very fast |
| B．their flight is long and high above ground |
| C．the wind's direction is hard to forecast |
| D．they have no regular migrating courses |
According to the passage, the findings can ____
| A．increase insects in number |
| B．instruct farmers when to spray their crops |
| C．prevent climate warming |
| D．help protect insects |
Slow parenting means parenting children in the contact of nature without any interference (干预) of materialistic influence. We can also term it as “self-raising”. In slow parenting children are allowed to do what they think proper and parents just keep a watch over the child. Curiosity of the child leads to exploring and discovering things. Parents provide little help only when it’s too necessary, otherwise keep themselves away from the child and just have a look on him/her: This brings about a feeling of self-dependency and they are encouraged to solve their problems.
This is a natural way of learning. When a child is left to learn in a natural environment, the child’s natural development takes place. Influence of any materialistic way doesn’t let the mind develop naturally. Watching TV, playing video games or joining classes of dance, swimming or any other sports will not let the mind develop naturally.
Here creativity of their mind is developed. They explore ideas. The logic behind this is that the kids of animals learn by nature, so can our kids. So let our children play in the garden, to watch flowers, plants, birds, butterflies and other gifts of nature. In the classes of dance, swimming etc. their creativity is influenced and their natural creativity is suppressed (压制). In these classes they are overburdened and can’t train their creativity. So let them play in the open air or garden without any burden instead of joining classes.
Generally parents give toys to their children and explain how to operate them. But those parents who believe in slow parenting give toys and observe how the children are managing them. Their skill to learn and understand comes out. Maybe the process is slow, but it will be their exploration, which will make them self-dependent, and self-capable to learn.In slow parenting, parents ______.
| A．set limits to what their children do |
| B．keep a close watch over their children |
| C．give the whole directions to what their children do |
| D．give their children freedom to do what they think proper |
What is the main advantage of slow parenting according to the passage?
| A．Arousing children’s curiosity. |
| B．Helping children to be independent. |
| C．Making children interested in exploring nature. |
| D．Keeping children away from materialistic influence. |
We can infer from the third paragraph that______.
| A．children should join some classes |
| B．slow parenting should be done in a logical way |
| C．exploring nature is a good way of slow parenting |
| D．children can’t learn by nature like the kids of animals |
What is the passage mainly about?
| A．Slow parenting and its advantages. | B．Different parenting styles. |
| C．The requirements of slow parenting. | D．The author’s opinion on slow parenting. |
Dr Asim Syed, 32, has performed more than 100 operations at London’s Hammersmith Hospital in the country’s busiest transplant unit, but never imagined that he would one day become a donor himself.
He stepped forward when was told his 64-year-old mother might be dead within months unless she got a new kidney (肾). The worried surgeon brought her to London to be cared for at his hospital. However, it was not all plain sailing. Tests showed Dr Syed was the wrong blood group, so the only way was to go through a special blood-washing process. He consulted colleagues about that, but they didn’t agree, because the risk of rejection is still too high. Dr Syed and his mother were then advised to consider a new way of donating and receiving, called an organ-paired. That is, Dr Syed donated his kidney to an unknown person and another donor in the chain was a successful match for his mother. The chain of three transplants took place at the same time on July 31 with Dr Syed’s kidney going to a recipient in the Midlands and Mrs. Syed receiving her kidney from a person in the south of England.
Just hours after donating his own kidney, Dr Syed found himself recovering in bed next to his mother. Mrs Syed said, “When I came round from my operation Asim was in the next bed and the first thing he said was, ‘Mum now all your worries are over.’ Tears fell down.”
Now mother and son are recovering well with Dr Syed already back at work. Mrs. Syed is staying with him for several months while the hospital monitors her progress.
He said, “I did what anyone would do when they see a relative suffering disease. Although I wasn’t able to help mum directly, by agreeing to be part of a chain, I was also very happy.” Why isn’t it a plain sailing?
| A．No one can treat his mother well. |
| B．Dr Syed was the wrong blood group. |
| C．They didn’t have money to be in hospital. |
| D．Mrs. Syed was unwilling to receive the operation. |
Why didn’t his colleagues agree to the method of blood-washing?
| A．It is very dangerous. | B．It costs too much. |
| C．They didn’t know how to do it at all. | D．They didn’t have the relative equipment. |
What can we learn about Mrs. Syed?
| A．She was touched by his son’s deed. |
| B．She has already recovered completely. |
| C．After operation, she went her own home. |
| D．She was in hospital in London for many years. |
What can be inferred from the text?
| A．The hospital still needs improving. |
| B．Dr Syed has love and devotion to his parents. |
| C．The expense in the hospital is too high to afford. |
| D．Dr Syed donated his kidney to his mother directly. |
Many psychologists in the early twentieth century believed that humans use only 10 percent of their brains, and even the great Albert Einstein once wrote that most people use only a small portion of the grey matter between their ears. It’s a theory that has often been put forward in television documentaries; magazines, advertisements and books over the past century.
But nearly all scientists now agree the 10 percent theory is completely unfounded. In fact, they question how this figure was ever arrived at in the first place and what areas of the brain are supposed to be unneeded. The theory supposes that if 90 percent of the brain were removed, a person would Still be able to function normally, while in reality it is known that damage to even a small area of the brain can result in extremely serious physical injury different activities and that many areas of the brain are used at the same time for some complex activities or thought processes.
Throughout the course of one day, most .areas of the brain are active at some time, even during sleep. The 10 percent theory suggests that certain areas o’ the brain are not used, but scans slow activities throughout the entire brain and not in any separate part. The final argument against the 10 percent theory is the fact that doctors carefully map the brain before removing brain cancers so that they don’t affect other essential areas.
From an evolutionary point of view, it’s highly unlikely butt our comparatively larger brains would have evolved from our ancestors if the extra areas were not needed. In fact, there is absolutely no evidence support the 10 percent theory.How did the 10 percent theory get such widespread popularity?
| A．It was promoted in various types of copular media. |
| B．Albert Einstein argued strongly in support. |
| C．It was proven in scientific research. |
| D．Few people could prove it wrong. |
The underlined word "unfounded" is chest in meaning to _________.
| A．undiscovered | B．unproven | C．unknown | D．unnecessary |
Which of the following is true according to the writer?
| A．We use less than 10% of our brains. |
| B．Most brain disorders affect the same part of the brain. |
| C．The brain is less active during times of sleep. |
| D．The 10 percent theory does not make evolutionary sense. |
What can we infer from the passage?
| A．People today use more of their brain than in the past. |
| B．Scientific opinion about the topic of brain use is equally divided. |
| C．Our understanding of the brain has changed greatly in the past decades. |
| D．Modern scientists have a complete picture of how the brain works. |
What is the main purpose of the passage?
| A．To present two sides of brain theory. |
| B．To criticize the 10 percent theory. |
| C．To explain how brain works. |
| D．To describe the history of brain research. |
The dirty, homeless man sat on the pavement, staring at the atones. He thought back more than twenty years to when he was a boy living in a small red brick house on this very street. He recalled the flower garden, the swing his dad made, and the bike he had saved up for months to buy.
The man shrugged impatiently, for the brightness of those pictures hurt him, and his memory travelled on another ten years. He had a job by then, plenty of friends and started to come home less. He did not really want to remember those years, nor the day when, because o’ debts, he had gone home planning to ask for money. He felt embarrassed, but he knew exactly where his dad kept the money. When his parents stepped out of the room, he took what he wanted and left.
That was the last time he had seen them. Ashamed, he went abroad, and his parents knew nothing about the years of wandering or time in prison. But locked in his cell he often thought of home. Once free, he would love to see his parents again, if they were still alive, and still wanted to see him.
When his prison time was up, he found -a job, but couldn’t settle. Something was drawing him home. He did not want to arrive penniless, so he hitchhiked most of the long journey back. But less than a mile from his destination he started to feel sick with doubt. Could they ever accept this man who had so bitterly disappointed them?
He spent most of that day sitting under a tree. That evening he posted a letter which, although short, had taken him hours to write. It ended with:
I know it is unreasonable of me to suppose you want to see me ... so it’s up to you. I’ll come early Thursday morning. If you want me home, hang a white handkerchief in the window of my old bedroom. If it’s there, I’ll come in; if not, I’ll wave good-bye and go.
And now it was Thursday morning and he was sitting on the pavement at the end of the street. Finally he got up and walked slowly toward the old house. He drew a long breath and looked.
His parents were taking no risks. ________________________________________________
_______________________________________________________________________________
The man threw his head back, gave a cry of relief and ran straight through the open front door. Why did the man shrug impatiently (paragraph 2) while he was thinking of his childhood?
| A．The thoughts made him angry. |
| B．He felt he had wasted time. |
| C．He was anxious to go home. |
| D．The sweet memory caused him much pain. |
Why did it take him hours to write the letter?
| A．He doubted if his parents still lived in that house. |
| B．He had much news to tell his parents. |
| C．He felt ashamed to ask for forgiveness. |
| D．He was longing to return home and felt excited. |
In what order did the following events take place?
a. He took the money from his parents.
b. He bought a bicycle with his savings.
c. He was sentenced to prison.
d. He wrote the letter home.
e. He sat on the pavement.
f. He hitchhiked back home.
| A．b, a, c, d, e, f | B．b, a, c, f, d, e |
| C．a, c, b, d, f, a | D．a, d, b, c, e, f |
Which of the following best fits into paragraph 8 ?
| A．Every inch of the house was covered in white. Sheets, pillowcases and table clothes had been placed on every window and door, making it look like a snow house. |
| B．The house before him was just as he remembered: the red bricks, the brown door and nothing else. |
| C．A colourful blanket was over the front door. On it, in large letters, was written, "Welcome home, son |
| D．A police car was parked in the drive way, and two officers stood at the front door. |
The best title of the passage is _______.
| A．Sweet Memory | B．White Handkerchief |
| C．Abandoned Son | D．Leaving Home |
When movie star Scarlett Johansson was photographed naming in Los Angeles recently, she attracted a lot of attention; for the 27-year-old actress was wearing Vibram FiveFingers, so called because they look more like gloves than shoes, with a space for each toe.
Strange though they may look, these so-called barefoot shoes, which reproduce the effect of barefoot running but with less pain, are just one brand in a range of minimalist footwear. These super-thin sports shoes are causing a stir in the world of running and fitness. Why? Because some experts believe they could make you a better, more efficient runner and that traditional trainers could be doing you more harm than good.
"Wearing a shoe that has lots of cushioning and support affects the way your body naturally moves and studies suggest that this carries a higher risk of injury," explains Matt Wallden, an athlete performance expert. "But with barefoot shoes, the foot can actually feel the firmness and shape of the ground, which allows your body to respond effectively.’"
But before you rush out to invest in minimalist footwear, be careful. These kinds of shoes are not meant for everyone, or at least not straight away.
"Ordinary sports shoes with support are good for beginners whose bodies are not used to the impact of running," explains Patrick Davoren, former Olympic athlete. "It you are not in great condition, then running in minimalist footwear may cause injuries and will turn a lot of people off exercise and running.
If you are currently injured, and figures show that in any given year 65% of all runners are, it can be tempting to try anything that promises to get you back on the road, trail, or beach. But barefoot running is not a method of treating injury nor is it a magical way of suddenly turning you into a great athlete.
Even if you’re used to running, when you start using minimalist shoes you should build up your distance gradually. Start_off’by doing just 10% of what you’d normally run and increase the distance by no more than 10% every week. And a word of warning - you may never have soft feet againThe Vibram FiveFingers are shoes ______.
| A．specifically designed for women |
| B．that have lots of cushion inside |
| C．safest for people who enjoy sports |
| D．that are much thinner than normal sports shoes |
The underlined word "they" in paragraph 2 refers to ________.
| A．experts | B．feet | C．shoes | D．runners |
According to Matt Wallden, the new shoes ________.
| A．make feet more sensitive to the running surface |
| B．will produce immediate improvements |
| C．force your body to move less naturally |
| D．increase the chances of getting hurt |
The author suggests that new users of Vibram FiveFingers should ________.
| A．run in the shoes every day at top speed |
| B．begin with a shorter running distance than normal |
| C．occasionally run barefooted to harden their feet |
| D．make sure they are already very fit before using them |
Where would you probably read this article?
| A．A travel book. | B．A movie website. |
| C．A sports magazine. | D．A science journal. |
粤公网安备 44130202000953号