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Where is the sense organs for vemeronasal system in snakes？
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听力原文：The acids in acid rain are corrosive chemicals that leach nutrients from the soils, slow the growth of trees, poison lakes and combine with other chemicals to form. urban smog. The simplest way to curtail acid rain is to use less energy from fossil fuels.
The acids in acid rain are the only reason that forms urban smog alone.
听力原文：Wofsy says that politicians and scientists use different definitions of uncertainty. For example, a scientist might disprove one of several competing theories or even learn something entirely unexpected -- but still not be any closer to solving a problem.
Scientists know more about competing theories of uncertainty, so they are closer to solving a problem.
What will be on the next program？
听力原文：Governments from Singapore to South Korea are increasingly lifting restrictions on gambling. But gamblers do not have to wait for new casinos to open to place their bets: They can just use their mobile phones. Telecommunications analysts predict that Asia will catch up soon. British Informa, a telecom and media consulting company, forecasts that close to 100 million people in the Asia-Pacific region will use mobile phones to place bets in 2010, half of the users globally. The mobile gambling market in Asia is still limited by the lack of suitable phones. Another obstacle for gaming operators is the unclear legal situation in many places.
What is one of the main reasons that restrict the mobile gambling market in Asia？
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