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The smell of fresh air is becoming something of a distant memory, thanks to our increasing use of fragrance (香气). From air fresheners to scented (有香味的) candles, we live in a world of scent.
Recent figures show seven in ten people use air fresheners or scented candles to keep our homes smelling sweet. Yet recent records suggest that perfumed products could affect our health, causing problems including allergies (过敏), headaches and asthma (哮喘) .
One leading expert believes nearly a third of people suffer health effects from being exposed to scents. A major problem is so-called “contact” allergy—where perfumes and scented products cause eczema (湿疹) when they come into contact with the skin. About one in 20 is thought to be affected by fragrance allergy.
“Often it may not be immediately obvious that you have developed a fragrance allergy,” says Dr. Baron. “You don’t react immediately. Gradually, as you are exposed more and more, the body increases its reaction, until it becomes noticeable to you.”
People with pre-existing eczema are particularly vulnerable (易受影响). “The eczema worsens in areas in contact with perfumes,” says Dr. Baron. “But even those without allergies can be at risk of fragrance allergy.” You can become suddenly allergic to perfumes and personal care products that you have been using for years. “Even if you know which fragrance causes a problem, it can be difficult to avoid, as most personal care products –soap, shampoo, sun cream and washing powder—contain fragrances,” says Dr. Baron.
And strong scents can also cause headaches. Fragrances activate the nose’s nerve cells, stimulating the nerve system associated with head pain. To minimize risk, sufferers are advised to minimize the contact.
“Fragrance suggest cleanliness – yet people are smelling a potentially dangerous chemical mixture,” says Anne Steinemann, professor of the University of Washington. “We often use them to mask one problem – as with air fresheners – but create a greater one – adding poisonous chemicals to the air.”
【小题1】What is the text mainly about?
| A.The world trend of using fragrance. |
| B.The benefits of using non-fragranced products. |
| C.The health problems caused by fragrance |
| D.The ways of removing allergy. |
| A.our bodies have an immediate reaction to fragrance. |
| B.seven in ten have suffered fragrance allergy. |
| C.fragrance can affect people who don’t have allergy |
| D.people can avoid contacting with fragrance easily |
| A.Which products contain fragrance? |
| B.What’s the influence of fragrance in the air? |
| C.What are the air fresheners made up of? |
| D.How are headaches caused by fragrance? |
| A.the asthma caused by strong scents. |
| B.people’s efforts to protect fresh air. |
| C.the methods of curing eczema |
| D.the bad effects of air fresheners. |
The smell of fresh air is becoming something of a distant memory, thanks to our increasing use of fragrance (香气). From air fresheners to scented (有香味的) candles, we live in a world of scent.
Recent figures show seven in ten people use air fresheners or scented candles to keep our homes smelling sweet. Yet recent records suggest that perfumed products could affect our health, causing problems including allergies (过敏), headaches and asthma (哮喘) .
One leading expert believes nearly a third of people suffer health effects from being exposed to scents. A major problem is so-called “contact” allergy—where perfumes and scented products cause eczema (湿疹) when they come into contact with the skin. About one in 20 is thought to be affected by fragrance allergy.
“Often it may not be immediately obvious that you have developed a fragrance allergy,” says Dr. Baron. “You don’t react immediately. Gradually, as you are exposed more and more, the body increases its reaction, until it becomes noticeable to you.”
People with pre-existing eczema are particularly vulnerable (易受影响). “The eczema worsens in areas in contact with perfumes,” says Dr. Baron. “But even those without allergies can be at risk of fragrance allergy.” You can become suddenly allergic to perfumes and personal care products that you have been using for years. “Even if you know which fragrance causes a problem, it can be difficult to avoid, as most personal care products –soap, shampoo, sun cream and washing powder—contain fragrances,” says Dr. Baron.
And strong scents can also cause headaches. Fragrances activate the nose’s nerve cells, stimulating the nerve system associated with head pain. To minimize risk, sufferers are advised to minimize the contact.
“Fragrance suggest cleanliness – yet people are smelling a potentially dangerous chemical mixture,” says Anne Steinemann, professor of the University of Washington. “We often use them to mask one problem – as with air fresheners – but create a greater one – adding poisonous chemicals to the air.”
【小题1】What is the text mainly about?
| A.The world trend of using fragrance. |
| B.The benefits of using non-fragranced products. |
| C.The health problems caused by fragrance |
| D.The ways of removing allergy. |
| A.our bodies have an immediate reaction to fragrance. |
| B.seven in ten have suffered fragrance allergy. |
| C.fragrance can affect people who don’t have allergy |
| D.people can avoid contacting with fragrance easily |
| A.Which products contain fragrance? |
| B.What’s the influence of fragrance in the air? |
| C.What are the air fresheners made up of? |
| D.How are headaches caused by fragrance? |
| A.the asthma caused by strong scents. |
| B.people’s efforts to protect fresh air. |
| C.the methods of curing eczema |
| D.the bad effects of air fresheners. |
The smell of fresh air is becoming something of a distant memory, thanks to our increasing use of fragrance (香气). From air fresheners to scented (有香味的) candles, we live in a world of scent.
Recent figures show seven in ten people use air fresheners or scented candles to keep our homes smelling sweet. Yet recent records suggest that perfumed products could affect our health, causing problems including allergies (过敏), headaches and asthma (哮喘) .
One leading expert believes nearly a third of people suffer health effects from being exposed to scents. A major problem is so-called “contact” allergy—where perfumes and scented products cause eczema (湿疹) when they come into contact with the skin. About one in 20 is thought to be affected by fragrance allergy.
“Often it may not be immediately obvious that you have developed a fragrance allergy,” says Dr. Baron. “You don’t react immediately. Gradually, as you are exposed more and more, the body increases its reaction, until it becomes noticeable to you.”
People with pre-existing eczema are particularly vulnerable (易受影响). “The eczema worsens in areas in contact with perfumes,” says Dr. Baron. “But even those without allergies can be at risk of fragrance allergy.” You can become suddenly allergic to perfumes and personal care products that you have been using for years. “Even if you know which fragrance causes a problem, it can be difficult to avoid, as most personal care products –soap, shampoo, sun cream and washing powder—contain fragrances,” says Dr. Baron.
And strong scents can also cause headaches. Fragrances activate the nose’s nerve cells, stimulating the nerve system associated with head pain. To minimize risk, sufferers are advised to minimize the contact.
“Fragrance suggest cleanliness – yet people are smelling a potentially dangerous chemical mixture,” says Anne Steinemann, professor of the University of Washington. “We often use them to mask one problem – as with air fresheners – but create a greater one – adding poisonous chemicals to the air.”
57.What is the text mainly about?
A.The world trend of using fragrance.
B.The benefits of using non-fragranced products.
C.The health problems caused by fragrance
D.The ways of removing allergy.
58.According to Dr. Baron, .
A.our bodies have an immediate reaction to fragrance.
B.seven in ten have suffered fragrance allergy.
C.fragrance can affect people who don’t have allergy
D.people can avoid contacting with fragrance easily
59.Which of the following questions does the text NOT answer?
A.Which products contain fragrance?
B.What’s the influence of fragrance in the air?
C.What are the air fresheners made up of?
D.How are headaches caused by fragrance?
60.The following paragraph might discuss .
A.the asthma caused by strong scents.
B.people’s efforts to protect fresh air.
C.the methods of curing eczema
D.the bad effects of air fresheners.
查看习题详情和答案>>We often use the words “growth” and “development” as if they meant basically the same thing. But this may not always be the case. One can easily imagine instances in which a country has achieved higher levels of income (growth) with little or no benefit coming to most of its citizens (development).
In the past, most development policies were aimed at increasing the growth rate of income per capita (人均所得). Many are still based on the theory that benefit of economic growth will come to all members of society. If this theory is correct, growth should encourage development.
By the early 1970s, however, the relationship between growth and development was being questioned. A major study by the World Bank in 1974 concluded that it is now clear that more than decades of rapid growth in developing countries has been of little benefit to & third of their population.
The World Bank study showed that increase in GNP per capita did not promise important improvements in such devel??opment indicators as nutrition (营养), health, and education. Although GNP per capita did indeed rise, its benefit came down to only a small part of the population. This realization gives rise to a call for new development policies. These new policies favor agriculture over industry, call for national redis??tribution (资源分配) of income and wealth, and encourage programs to satisfy such basic needs as food and shelter.
In the late 1970s and early 1980s the international macroeconomic crises (大规模的经济危机) of high oil prices, worldwide recession (衰退) and the third world debt, forced attention away from programs designed to get rid of poverty. however, the lesson remains: economic growth does not prom??ise economic development. Efforts may be required to change growing output capacity (能力) into economic benefit that reach most of a nation’s people.
What do we learn from the first paragraph about the relationship between growth and development?
A. Growth and development refer to the same thing.
B. Growth always brings about development.
C. Development is not a necessary result of growth.
D. Development is a reliable measure of growth.
Before the 1970s, most development policies were based on theory that economic growth would benefit ________.
A. most people in society B. some people in society
C. few people in society D. everyone in society
according to the study by the World Bank in 1974, economic growth in some backward countries brought ________.
A. benefit to a third of their population
B. benefit to two thirds of their population
C little benefit to their people
D. no benefit at all to their people
If the passage continues, what would the author most likely discuss in the next paragraph?
A. How to turn growth into development.
B. How to remove poverty from society.
C. How to decrease the third world debt.
D. How to cope with economic crises.
查看习题详情和答案>>We convey (传达) information through the position and movement of the body. We often use gestures or body movements to stress what we are saying. For example, when I lecture (演讲), I often use my hands to emphasize (强调) points or point to something on the blackboard. Some people use them more than others. The victory (胜利) sign, the OK sign, the goodbye wave and the blowing of a kiss are all popular gestures in America. It is important to recognize, however, that most gestures are not universally recognized. For example, although the OK gesture means acceptance in
There are some sex differences in nonverbal behavior. In American culture, men tend to sit or stand with legs apart and hands outward, while women tend to keep legs together and hands at their sides. Women are also better than men at understanding nonverbal gestures.
A nonverbal behaviour is to have the tongue just slightly protruding (突出) from the mouth. A study showed that people were less willing to approach others who had their tongues showing. Perhaps this is why people often tend to avoid individuals with bad nonverbal behaviours. When we make decisions about other people, we learn to recognize nonverbal cues (提示) and interpret (理解) them along with verbal information.
36. From the passage we can know that ________.
A. body language in
B. the deferent cultures share the same body languages
C. the same gestures in deferent cultures may have the deferent meanings
D. body language is more important than words
37. Which of the following statements is TRUE according to the passage?
A. Women’s body language is easier to understand.
B. Women have a better understanding of body language than men.
C. In American culture, men care more about their gestures than women.
D. In American culture, men and women always employ the deferent gestures.
38. It may be concluded from this passage that ________.
A. body language can completely replace words
B. different cultures share different nonverbal behaviours
C. body language sounds louder than verbal information
D. body language can be helpful for us to communicate with each other
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