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C
People laugh and people cry．But it is thought that emotions such as anger, or joy, typically make Americans feel uncomfortable and embarrassed．The shedder of tears （落泪者） is likely to apologize, even when a great tragedy was the cause．The observer of tears is likely to do everything possible to put an end to the emotional tears．But judging from recent studies of crying behavior, both those responses to tears are often inappropriate and may even be counterproductive （适得其反）．
Humans are the only animals clearly known to shed emotional tears．Since evolution has given rise to few purposeless physiological responses, it is logical to assume that crying has one or more functions that increase survival．
Although some observers have suggested that crying is a way to ask for assistance form others （as a crying baby might from its mother）, the shedding of tears is hardly necessary to get help．Vo-cal （出声的） cries would have been quite enough, more likely than tears to gain attention．So, it appears that there must be something special about tears themselves．
Indeed, the new studies suggest that emotional tears may play a direct role in easing stress． University of Minnesota researchers who are studying the chemical composition of tears have recently separated two important chemicals from emotional tears．Both chemicals are found only in tears that are shed in response to emotion．Tears shed because of exposure to cut onion would contain no such substance．
Other researchers are looking into the usefulness of tears as a means of diagnosing human ills and monitoring drugs．At Tulane University's Teat Analysis Laboratory Dr．Peter Kastl and his colleagues report that they can use tears to detect drug abuse, to study the causes of "dry eye" syndrome （综合症）and the effects of eye surgery, and perhaps even to measure exposure to environmental pollutants．
64．What does the phrase "both those responses" in Paragraph 1 refer to ?
A．Crying out of sorrow and shedding tears for happiness．
B．The embarrassment and unpleasant feelings of the observers．
C．Linking illness with crying and finding the chemical composition of tears．
D．The tear shedder' s apology and the observer' s effort to stop the crying．
65．It is known from the first paragraph that____．
A．shedding tears gives unpleasant feelings to Americans
B．crying may often result in tragedy
C．crying usually wins sympathy from other people
D．one who sheds tears in public will be blamed
66．What does the author say about crying?
A．It is a pointless physiological response to the environment．
B．It must have a role to play in man' s survival．
C．It is meant to get attention and assistance．
D．It usually produces the desired effect．
67．From the passage we can infer that____．
A．it is unnatural for people to shed tears
B．we can reduce our stress by shedding tears
C．shedders of tears can' t get help by crying loudly
D．unlike animals, humans can shed tears for survival
D
Whenever people think of charity, the first word that jumps into their mind may be money donated to the needy．However, Wugging, or web-use giving, describes the act of giving to charity at no cost to the user．By using Everyclick．com, which is being added to a number of university computers across the UK, students can raise money every time they search, but it won 4 cost them a penny．
Research shows that students are extremely enthusiastic about supporting charity —88% of full time students have used the Internet to give to charity．This figure is high considering this age group is often the least likely to have their own income．19% of 22 to 24 year olds have short-term debts of more than & 5,000．With rising personal debt levels in this age group, due to university tuition fees or personal loans and a lack of long-term savings, traditional methods of donating to charity are often not appealing or possible．
Beth Truman, a 21-year-old recent university graduate, has used Everyclick．com to donate to her chosen charity, the RSPCA, for two years and has seen the "Wugging" grow in popularity with students．"When you're at university you become more socially aware, but it's sometimes hard to give to others when you have little money yourself," says Beth．"Wugging is great for people in this age group as it allows them to use the technology on a daily basis to give to charity, without costing them a single penny．"
Wugging is perfect for people who want to be more socially aware and supportive but don' t feel they have the means to do so．Students using the web can raise money for causes they care about without costing them anything in terms of time or money, and charities get a valuable source of funding．
Everyclick．com works like any other search engine, allowing users to search for information, news and images but users can decide which of the UK's 170,000 charities they would like to support through their clicks．Everyclick．com then makes monthly payments to every registered charity．Launched in June 2005, Everyclick．com is now the eighth largest search engine and one of the busiest charity websites in the UK．
68．According to the passage, "Wugging" is actually____．
A．a charity－related action B．a website
C．a school organization D．a student movement
69．In the case of charity, Everyclick．com____．
A．receives much money from students B．frees students of the financial worries
C．offers valuable information to students D．praises students for their money-raising
70．From the passage, we can conclude that____．
A．most full time students do charity on the Internet every day
B．Everyclick．com is the busiest charity website in the UK
C．Everyclick．com helps students pay for further education
D．"Wugging" is a win-win idea for both students and charities
71．What would be the best title for the passage?
A．"Wugging", a popular term on the Internet
B．Students collect money for charity by " Wugging"
C．More British charities benefit from the Internet
D．Charity enjoys increasing popularity with the British
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