Valeria：Well it depends on the part of Argentina that we 1 (talk) about．
Valeria： 2 instance，the north is very dry and extreme．
Valeria：Like in summer，the temperature can go till forty，even forty five．
Valeria：Right and you 3 have like minus zeros，minus zero 4 (temperature) in winter as well but very，very dry．In the east it’s tropical， 5 (main)summer most of the year，a lot of rain，and everything is green．
Valeria：The center where Buenos Aires，the capital， 6 (locate)is moderated but Patagonia which is the south of Argentina is very cold，dry and there is snow．
Valeria： 7 means that in the same moment if you are in the north it will be very dry and hot 8 it could be snowing or raining in a rainforest．
Daniel：Wow．When you 9 (say) extreme weather，do you get this thunderstorm，thunder lightning?
Valeria：It’s not common．Maybe it’s like once in 10 while a thunderstorm．
2、 for instance“例如”，是固定短语。
6、 此处指的是前面的the center所在的位置，空格处在where引导的定语从句中作谓语。
7、 It means that...“那意味着……”
10、 固定结构once in a while“偶尔”。
More and more corporations are taking an interest in corporate social responsibility (CSR)．CSR is made up of three broad layers．The most basic is traditional corporate charity work． Companies typically spend about 1% of pre-tax profits on worthy projects． But many feel that simply writing cheques to charities is no longer enough．In some companies, shareholders want to know that their money is being put to good use, and employees want to be actively involved in good works．
Money alone is not the answer when companies come under attack for their behavior．Hence the second layer of CSR, which is a branch of risk management．Starting in the 1980s, with environmental disasters such as the explosion at Bhopal and the Exxon Valdez oil spill, industry after industry has suffered blows to its reputation．
So, companies often responded by trying to manage the risks．They talk to non-governmental organisations (NGOs) and to governments, create codes of conduct（行为准则) and devote themselves to more transparency（透明）in their operations． Increasingly, too， they, along with their competitors, set common rules to spread risks．
All this is largely defensive, but there are also opportunities for those that get ahead of the game． The emphasis on opportunity is the third layer of CSR: the idea that it can help to create value．If approached in a strategic way, CSR could become part of a company's competitive advantage．That is just the sort of thing chief executives like to hear． The idea of “doing well by doing good” has become popular．
Nevertheless, the business of trying to be good is bringing difficult questions to executives．Can you measure CSR performance? Should you be cooperating with NGOs and with your competitors? Is there any really competitive advantage to be had from a green strategy?
Corporate social responsibility is now seen as a mainstream．Big companies want to tell the world about their good citizenship with their devotion to social responsibilities．Done badly, CSR is often just window-dressing and can be positively harmful．Done well, though, it is not some separate activity that companies do on the side, a corner of corporate life reserved for virtue（美德）：it is just good business．
(Note: Answer the questions or complete the statements in NO MORE THAN TEN WORDS．)
79:Companies talk to non-governmental organisations (NGOs) and to governments．/ Companies create codes of conduct．/ Companies devote themselves to more transparency in their operations．/ Companies set common rules with their competitors to spread risks．
81:take social responsibilities
1、I'm accustomed to listening to some light music before sleep．
2、It's up to you what kind of life you will lead in the future．
3、There is nothing more exciting than being allowed to take part in the space travel program．
4、Parents ask their kids not to play by the river for fear that something terrible might happen．
5、While modern society, rich in material resources, has given consumers more choices, it also turns many of them into crazy shoppers．
 If , then it is very possible that you are a textaholic．A textaholic can be defined as someone who is addicted to sending and receiving messages．The main symptoms are a strong desire to text messages, which takes precedence（优先）over everything else, and bad moods, low spirits and a lack of self-confidence if messages fail to come in．The root of the problem, as with many addictions, is the desire to escape from emotional difficulties such as stress, anxiety and relationship problems．Experts warn that text addiction is likely to become the most common form of addiction in the future, especially among the young．
So what can you do if you think you may be a textaholic? The key is to get your life back in balance．Make sure you resist the urge to answer every message you receive, and consider leaving your mobile phone behind occasionally when you go out．Most importantly, make a point of spending quality time with friends and family, and make time to re-learn the art of face-to-face conversation instead of conducting your relationships by means of text messages．Not only will you save time and money, but you may also rediscover the pleasure of true communication．
① ② ③
The Program allows students to take part in various projects dealing with issues such as literacy （识字）, homelessness and the environment．It includes helping kids with their lessons, raising money for families in need and collecting data for environmental research．
The hope is that, by getting themselves involved in different environments, students will have the opportunity to learn about members of communities and broaden their view．In turn, they will incorporate （融合）their experiences and lessons learned into their own communities．In a word, the Program aims to encourage students to be active citizens and engage themselves in making a difference in society．
In the spring of 2006, about 36 000 students in the USA participated in the Alternative Break Program．
Samantha Giacobozzi, now director of the Program, has been on five alternative break trips herself, including trips to New Orleans, India and the Dominican Republic．“I was a student who went on alternative break trips and had my life totally transformed by that experience,” she said．“Every year, we meet many students who have attended the Program．You can see changes in their life that are connected with their alternative break experiences．”
The Program began in 1991．Today, it has become increasingly popular with college students in the United States．
57:It is to encourage students to be active citizens and make a difference in society
59:She thinks highly of the Program. She is in favor of the Program. / She holds a positive attitude toward the Program.
Or: She thinks it’s a great experience of changing one’s life.
Or: She is thankful / grateful for the Program
60:I am interested in helping kids with their lessons because education is important to them.
Or: I want to raise money for families in need because they are poor and need our help.
Or: I am interested in collecting data for environmental research because the environment should be protected.