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[1]Global difference in intelligence is a sensitive topic, long filled with a large number of different opinions. But recent data has indeed shown cognitive (认知的) ability to be higher in some countries than in others. What's more, IQ scores have risen as nations develop—a phenomenon known as the "Flynn effect". Many causes have been put forward for both the intelligence difference and the Flynn effect, including education, income, and even non-agricultural labor. Now, a new study from researchers at the University of New Mexico offers another interesting theory: intelligence may be linked to infectious-disease rates.
[2]The brain, say author Christopher Eppig and his colleagues, is the "most costly organ in the human body". Brainpower consumes almost up to 90 percent of a newborn's energy. It's clear that if something affects energy intake while the brain is growing, the impact could be long and serious. And for vast parts of the globe, the biggest threat to a child's body—and therefore brain—is parasitic (由寄生虫引起的) infection. These illnesses threaten brain development________________. They can directly attack live tissue, which the body must then try every means to replace. They can invade the digestive pipe and block nutritional intake. They can rob the body's cells for their own reproduction. And then there's the energy channeled (输送) to the immune system to fight the infection.
[3]Using data on national "disease burdens" (life years lost due to infectious diseases) and average intelligence scores, the authors found they are closely associated. The countries with the lowest average IQ scores have the highest disease burdens without exception. On the contrary, nations with low disease burdens top the IQ list.
[4]If the study holds water, it could be revolutionary for our understanding of the still-confusing variation in national intelligence scores.What is the main idea of the text？(no more than 10 words)________________________
Complete the following statement with proper words.(no more than 4 words)
Those countries that have the ________________ are always at the bottom of the IQ list. Fill in the blank in Paragraph 2 with proper words.(no more than 5 words)
___________ What can cause intelligence difference？(no more than 8 words)
________________________________________________________________________What does the word "they" (Line 2, Paragraph 3) probably refer to？(no more than 8 words)
________________________________________________________________________
What do you want to be when you grow up? A teacher? A doctor? How about an ice-cream taster?
Yes, there really is a job where you can get paid to taste ice cream. Just ask John Harrison, an “Official Taste Tester” for the past 21 years. Testing helps producers to be sure of a product’s quality. During his career Harrison has been responsible for approving large quantities of the sweet ice cream –as well as for developing over 75 flavors （味道）.
Some people think that it would be easy to do this job; after all, you just have to like ice cream, right? No –-- there’s more to the job than that, says Harrison, who has a degree in chemistry. He points out that a dairy or food-science degree would be very useful to someone wanting a career in this “cool” field.
In a typical morning on the job, Harrison tastes and rates 60 ice-cream samples. He lets the ice cream warm up to about 12 F. Harrisonexplains, “You get more flavor from warmer ice cream, which is why some kids like to stir it, creating ice-cream soup.”
While the ice cream warms up, Harrison looks over the samples and grades each one on its appearance. “Tasting begins with the eyes,”he explains. He checks to see if the ice cream is attractive and asks himself, “Does the product have the colour expected from that flavor?”Next it’s time to taste!
Continuing to think up new ideas, try out new flavors, and test samples from so many kinds of ice cream each day keeps Harrison busy but happy – working at once cool job.What is John Harrison’s job?
| A．An official. | B．An ice-cream taster. |
| C．A chemist. | D．An ice-cream producer |
According to John Harrison, to be qualified(有资格的) in the “cool field”, it is helpful to.
| A．keep a diary of work | B．have a degree in related subjects |
| C．have new ideas every day | D．find out new flavors each day |
What does Harrison do first when testing ice cream?
| A．He stirs the ice cream. |
| B．He examines the colour of the ice cream. |
| C．He tastes the flavor of the ice cream. |
| D．He lets the ice cream warm up. |
Which of the following is probably the best title of the passage?
| A．Tasting with Eyes | B．Flavors of Ice Cream |
| C．John Harrison’s Life | D．One Cool Job |
The iPhone, the iPad: each of Apple’s products sounds cool and has become a fad (一度时髦的风尚). Apple has cleverly taken advantage of the power of the letter “i” — and many other brands are following suit. The BBC’s iPlayer — which allows Web users to watch TV programs on the Internet — adopted the title in 2008. A lovely bear — popular in the US and the UK — that plays music and video is called “iTeddy”. A slimmed-down version of The Independent newspaper was launched last week under the name “i”.
In general, single-letter prefixes have been popular since the 1990s, when terms such as e-mail and e-commerce first came into use.
Most “i” products are aimed at young people and considering the major readers of The Independent’s “i”, it’s no surprise that they’ve selected this fashionable name.
But it’s hard to see what’s so special about the letter “i”. Why not use “a”, “b”, or “c” instead? According to Tony Thorne, former head of the Language Center at King’s College London, “i” works because its meaning has become ambiguous. When Apple uses “i”, no one knows whether it means Internet, information, individual or interactive, Thorne told BBCMagazines. “Even when Apple created the iPod, it seems it didn’t have one clear definition,” he says.
“However, thanks to Apple, the term is now associated with portability (轻便).” Adds Thorne.
Clearly the letter “i” also agrees with the idea that the Western world is centered on the individual. Each person believes they have their own needs, and we love personalized products for this reason.
Along with “Google” and “blog”, readers of BBCMagazines voted “i” as one of the top 20 words that have come to define the last decade.
But as history shows, people grow tired of fads. From the 1900s to 1990s, products with “2000” in their names became fashionable as the year was associated with all things advanced and modern. However, as we entered the new century, the trend unavoidably disappeared.People use iPlayer to _________.
| A．listen to music | B．make a call |
| C．watch TV programs online | D．read newspapers |
We can infer that The Independent’s “i” is aimed at _________.
| A．young readers | B．old readers |
| C．fashionable women | D．engineers |
Nowadays, the “i” term often reminds people of the products which are _________.
| A．portable | B．environmentally friendly |
| C．advanced | D．recyclable |
The writer suggests that _________.
| A．“i” products are often of high quality |
| B．iTeddy is a living bear |
| C．the letter “b” replaces the letter “i” to name the products |
| D．the popularity of “i” products may not last long |
In Canada and the United States, there is a new group of children called “satellite kids”, who live in one place but whose parents live in another place.
Asians are immigrating (移民) to Canada and the United States in larger numbers than ever before. Most Asians immigrate because they believe that they can give their children a better education in the West. In Asia, especially in China, Japan, and Korea, it is difficult to go to university. Students must first pass the strict national examination. However, in Canada and the United States, it is easy to go to university, and anyone who wants to go can go. As a result, Asian parents decide to leave their countries so that their children can go to university.
The problem is that when Asians arrive, they discover that finding a job and making money are more difficult in the West than in the East. Also, they find that they are very lonely, and that they miss their homes. For these two reasons, most Asian parents decide to go back to work while their children study in the West. Therefore, these children become “satellite kids”, and most of their parents do not know how sad it is to be a “satellite kid”.
Only until now are Canadians and Americans discovering the “satellite kid” problem. Because these children do not speak English and because their parents are not there to take care of them, they are often absent from school. To be a “satellite kid” means to grow up in a country where you know you are different and where you cannot make friends because you do not speak English well. Also, it means to grow up lonely, because your parents are elsewhere. What these “satellite kids” will probably say to their parents is that it’s better to have parents around than to have a university education.Some Asian parents send their kids abroad because ________.
| A．they hope their children may easily find a job there |
| B．the kids may not be accepted by universities in their own countries |
| C．all foreign universities are better than the ones in their own countries |
| D．the kids want to improve their English and make foreign friends |
“Satellite kids” refer to Asian kids ________.
| A．without parents | B．living abroad alone |
| C．with university education | D．speaking no English |
Some Asian immigrant children become “satellite kids” because their parents ________.
| A．want to leave their own country | B．want them to go to university |
| C．return to their countries to work | D．want them to be independent |
What is the main idea of the passage?
| A．Parents want better education for their kids. |
| B．Parents feel lonely and miss their families. |
| C．Canadians and Americans begin to notice the “satellite kids” problem. |
| D．Kids in foreign countries alone are badly in need of care from family. |
| Animal training refers to teaching animals specific responses to specific conditions or stimuli (刺激). Training may be for the purpose of companionship, detection, protection, entertainment or all of the above. |
| An animal trainer may use various forms of reinforcement (强化) or punishment to condition an animal’s responses. Some animal trainers may have a knowledge of the principles of behavior analysis and operant conditioning (操作性条件反射), but there are many ways to train animals and as a general rule no legal requirements or certifications are required. |
 Training chickens has become a way for trainers of other animals (primarily dogs) to perfect their training technique. Bob Bailey, former director of Animal Behavior Enterprises and the IQ Zoo, teaches chicken training courses where trainers teach chickens to tell different shapes, to successfully pass through a way with obstacles (障碍) and to chain behaviors together. Chicken training is done using operant conditioning, using a clicker and chicken feed for reinforcement. |
 Fish can also be trained. For example, a goldfish may swim toward its owner and follow him as he walks through the room, but will not follow anyone else. The fish may swim up and down signaling the owner to turn on its aquarium light when it is off, and it will skim the surface until its owner feeds it. Pet goldfish have also been taught to perform more difficult tasks, such as doing the limbo (a kind of dance) and pushing a very small soccer ball into a net. |
 Among all animals, they are the third cleverest after monkeys and dolphins. Scientists think the training of pigs is easier than the training of dogs and cats. Pigs have a very good sense of smell. They can find things nearby or faraway. They can also help the police to find out drugs at an airport or at a train station. |
The aim of training animals is to _________.
| A．detect objects for people | B．keep people company |
| C．protect or entertain people | D．all of the above |
Which is True according to the passage?
| A．Most people teach animals general responses to general conditions. |
| B．Training animals requires some certifications. |
| C．Training chickens is a way to improve the trainers’ skills. |
| D．Chickens can be trained to help the police to find out drugs. |
According to the passage, a fish can _________.
| A．be trained to follow anyone |
| B．turn on its aquarium light when it is off |
| C．signal its owner to feed it |
| D．take part in a football game in the field |
Scientists think the training of pigs is easier because _________.
| A．pigs do not bite like dogs |
| B．pigs are smart animals |
| C．pigs have a good sense of hearing |
| D．pigs can help find out drugs at an airport |
New York, the city that never sleeps, fell silent last week—schools were closed; bus and subway services were stopped; flights were canceled, and even the stock market closed for the first time since 1985. All the disorder was caused by one thing, the arrival of hurricane Sandy.
This big storm landed on Oct 29 on the US east coast and brought damaging winds, flooding, blackouts (停电) and heavy snow.
Sandy is one of the largest storms that have ever hit the US, according to the National Oceanic and Atmospheric Administration. By the afternoon of Nov1 (Beijing time), about 140 deaths were caused by the storm as it traveled across the Caribbean islands and into the US.
Unlike most hurricanes that happen during summer, Sandy was strengthened not only by warm ocean water, but also by the cold air coming from the northwest. Sandy’s power grew because of the difference in masses between the warm and wet air and cool and dry air. It became a kind of “super-storm”, the Guardian reported.
The flooding was particularly severe. Scientists said it was because Sandy’s arrival happened together with a full moon, which normally means higher-than-usual tides (潮水).
“The most worrying aspect of Sandy is the high tides,” Rhode Island Governor Lincoln Chafee told Reuters before the storm arrived. “With the full moon on Monday, with Sandy coming up the bay, we’re very concerned about flooding in our low-lying coastal areas.”
Apart from the power of Sandy itself, another reason why her arrival has caused so much damage is that its target area is crowded with big cities such as New York and Philadelphia. These urban areas are home to tens of millions of people. The flood, the snow and the blackout have brought the country’s financial and political centers to a stop.
“The size of this alone, affecting a heavily populated area, is history making.” Said Jeff Masters, a hurricane specialist. The author mentioned the disorder in New York city at the beginning of the article to _______.
| A．remind us of the problems people might face when disaster strikes |
| B．introduce the disastrous influence of hurricane Sandy |
| C．criticize the poor management of the city by the New York government |
| D．prove New York suffered most from hurricane Sandy |
According to the text, hurricane Sandy _______.
| A．only got its power from the warm ocean water |
| B．grew stronger than other hurricanes because of the full moon |
| C．led to flooding in many cities around the US |
| D．brought with it strong winds, high tides, blackouts and heavy snowfall |
From the article, we learn that areas hurricane Sandy targeted _______.
| A．were mostly high land |
| B．were mostly near the sea |
| C．were far away from important cities |
| D．were empty as people were evacuated (疏散) |
What is the main point of the article?
| A．To show how a super-storm comes into being. |
| B．To explain why hurricane Sandy was so destructive. |
| C．To show that big cities in the US are easily affected by huge hurricanes. |
| D．To explore the best ways to avoid loss when a hurricane hits. |