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Nowadays both scientists and tourists can go to remote natural environments such as the South Pole. Do you think the advantages outweigh the disadvantages?

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Plenty of scientists and travelers make trips to isolated natural places,where is always brimming with breath-taking landscape and mysteries, such as the Mount Qomolangma and the South Pole. I firmly deem that the positive effects carry more weight than its adverse impacts.

Contemplated from the positive aspects, many benefits could be gained via exploring the distant regions. For one thing, as for tourists, traveling exposes them to new places and unique cultures, which is rewarding for them to read about cultural diversity. What travelers learn by meeting local people and absorbing the culture of these places is something that is hardly available in books. For another£¬it is understandable that much of scientific research on remote regions is devoted to

uaveling the mysteries of the universe in general. For instance, the researches on Antarctic aim to evaluate the influence of global warming in particular. And this must be considered as a positive development since scientists are making efforts to look into even the remotest natural environments such as South Pole.

Despite the seductive scenery and the value of scientific research, these tours bring about tremendous risks. It is often the case that travelers produce pollution to local areas. As reported in many cases, holidaymakers have left behind tons of waste in the Antarctica over the last century. This will not only threaten the survival of many creatures, including endangered species such as penguins and seals, but also cause irreversible damage to the ecosystem. As long as those explorers raise their awareness of eco-balance and protective efforts are made to prevent from

overexploitation, nevertheless, such risks mentioned above, can be ameliorated.To conclude, I confirm that traveling to unpopulated areas will bring far more gains, despite a slice of unfavorable facets.

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My Opinion on Cell Phones

Cell phones do play an important role in people¡¯s daily life, but every coin has its two sides.

To start with, as a wireless mobile phone, it¡¯s convenient for the user at any t(תÔØ×Ô£ºwww.dXf5.cOm ¶«ÐÇ×ÊÔ´Íø:ÀûÓë±×µÄÒéÂÛÎÄ)ime to contact others. Secondly, it¡¯s a helpful companion. With a multifunctional cell phone in hand, one can easily surf the net, downloading what he needs.

However, the cell phone has many disadvantages. For one thing, the machine itself is very expensive and its local service is very costly, not to mention its global service. For another, the radiation transmitted from the mobile phones might do harm to the user¡¯s health.

In my opinion, with its expenses being reduced sharply, its development will have a brighter future. Therefore its advantages will far outweigh its disadvantages.

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Nowadays, with the rapid development of IT, cell phones play a more and more important role in people¡¯s life. But, like everything else, they have both favorable and unfavorable aspects.

First ,it¡¯s useful. As a wireless mobile telephone ,it¡¯s easy and handy to carry it wherever one goes and call the callee however far away he is. Therefore, it greatly facilitates people¡¯s life. Second, it¡¯s convenient. Whenever one meets trouble or something urgent, one can make a call immediately. Most important of all, it¡¯s a very helpful companion. With a multifunction cell phone in hand, one can

easily get on the net, browsing the useful information, conducting e-commerce and doing whatever one can do via Internet.

However, just as everything has two sides, the cell phone also has many

disadvantages,. To begin with, it¡¯s expensive to buy and costly to pay the bills, esp. that of global service. To make matter worse, it¡¯s also easy to lose and costly to get it repaired. Worst of all, it¡¯s not as clear as a family telephone and sometimes the number dialed is often not available. Last but not least, it¡¯s alleged the micro-waves in it might do harm to people¡¯s health.

In my opinion, with its expenses greatly reduced after China¡¯s entry into the WTO,. Someday most of them will be developed into new Internet-enabled mobile phones, which will be as useful as pocket computers. And I believe its advantages will not only offset its disadvantages, but also far outweigh them.

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There are alarms that mobile-phone use is 'killing' children, although ¡®very slowly¡¯. The question is that, if cell phones are not safe to use, then why adults should be allowed to use them and why kids should be otherwise? Now that an increasing number of medical experts are pointing their fingers at the effects of radiation, parents have to weigh the obvious benefits against the potential health risks regarding their kids carrying handsets.

Many parents think that children should be allowed to use mobile phones as well, if only when absolutely necessary. So, dismissed are claims that mobile phones are entirely harmful. To begin with, harmful or not, it is not difficult to recognize several advantages. On the one hand, working or travelling parents could find it easier to keep in touch with their children. On the other hand, children could communicate with their families, especially in emergencies. Besides, a smart phone has actually become a popular toy featuring a variety of fun ranging from MP3 to camera to the Internet. In addition, these days a mobile phone is not expensive to buy while calling plans have become more affordable.

Nevertheless, warnings about the effects of radiation are getting ever louder. Critics begin to argue that possible unknown health risks related to the phone consumption could appear in much later life among children. According to recent reports, such radiation is likely to cause DNA damage because young children are supposed to be less defensive. For that matter, it is probable that radiation could penetrate children's thinner and softer skulls with more facility. Specifically, constant exposure could affect mental function and increase chances of brain cancer and ear tumor. In short, believe it or not, young children now being addicted to this modern communication device might fall victims to dangerous diseases in 30 years or less.

Eventually, the debate seems to focus on the importance of parental control regarding to what extent young children should be allowed to use mobile phones for their own benefits and at their own risks. At this point, everybody might know that mobile phones could be 'killing slowly' and causing death in the long run, and so what? It seems, however, that nobody is in such a hurry to that fate.

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As is shown in the cartoon given above, though sitting together for dinner, people do not chat with each other but use their mobile phones to do various kinds of things, such as calling, texting, taking pictures and playing games. It seems that people depend on their mobile phones so much that their faceª²toª²face communication with each other is getting less and less, which has become a problem that should not be ignored.

Every coin has two sides. While we affirm and enjoy the convenience and amusement that mobile phones bring us, we cannot deny that dependence on them also result in some inconvenience. On one hand, depending on mobiles makes people more indifferent. On the other hand, if we become too reliant on cell phones, our faceª²toª²face communicative skills may decline. Moreover, cell phone dependence harbors other disadvantages. For example, the radiation phones emit is hazardous to our health if we use them too much.

To solve the problem, I won¬ðt suggest that we discard mobile phones as giving up eating for fear of choking. Nevertheless, we should keep a certain distance form mobiles lest we should suffer from mobile phone dependence, and exchange words face to face with our relatives and friends as possible as we can. Only in this way, can we not be driven by material things but maintain our physical and mental health as well as our independence.

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Different people have different views on opportunity. Some people think that there are few opportunities in the world, while others argue that everybody will have some kind of opportunity along his life route.

As far as I am concerned, I agree with the latter opinion. For one thing, I firmly believe opportunities are everywhere around us. No person will be unlucky enough to have no opportunities all the time, because ¡°every dog has his day.¡± For another, since opportunities are transient, we have to make good preparations and improve ourselves. Just think ofNewton, who discovered the Law of Gravity when many people had watched an apple falling ahead of him.

Taking all these factors into consideration, we may safely come to the conclusion that there are quite a few opportunities in our society. Only if we get prepared can we seize the opportunities instead of letting them slip by, just as the saying goes, ¡°Opportunities are only for the prepared minds.¡±

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With the improving of our living standard, nowadays ,almost everyone can afford a cell phone. Every cion has two sides. When we are enjoying the benefits that cell phones have brought us ,we are now faced many problems.

To start with , mobiles phones have brought us many conveniences. With a using of a phone ,we can surfing on the Internet whenever we like without opening a computer.What's more, we are imformed of everything important when we carry our cell phone all the time. Futermore, it can also help us with some learning,beacuse we can look up the word in the digital dictionary.

Secondly, our cell phones still causes many serious problems. On one hand,the most problem is electric wave radiation ,which is bad for our health. On the other hand, it will affect our learning and working. For example,When we are at an important meeting with an important partner ,if your cell phone rings, it will interrupt the whole environment and the partner will think you don't respcet him. Another example is when you are having a boring class or meeting,then you will take out your phone reading novels,surfing on the Internet ,playing games ,all thest will distract you from good working.

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Nowadays,with the rapid development of IT and information industry, cell phones play a dominant role in towns people's life. But, like everything else, they have both favorable and mffavorahle aspects.

First, it's useful. As a wireless mobile telephone, it's easy and handy to early to wherever one goes and call the callee however far away he is. Therefore, it greatly facilitates people's life. Second, it's convenient. Whenever one meets trouble or something urgent, one can nmke a call immediately. Most important of all, it's a very helpful companion. With a multirfunction cell phone in hand, one can easily get on the Net, browsing the useful information, conducting e-commerce and doing whatever one can do via Internet.

However, just as everything has two sides, the cell phone also has many

disadvantages. To begin with, it's expensive to buy and costly to pay the hills, esp. that of global service. To make matters worse, it's also easy to lose and costly to get it repaired. Worst of all,it's not as clear as a family telephone and sometimes the number dialed is often not available. Last but not least, it's alleged the microwaves in it might do harm to people's health.

In my opinion,with its expenses greatly reduced after China's entry into the WTO, it will face an ever brighter future in its development. Someday most of them will be developed into new Intemet-enabled mobile phones, which will be as useful