The US will seek to expand its own oil production in an attempt to reduce dependence on imported oil and bring down fuel prices , President Obama says . New contracts for exploration will be signed in non-protected areas of Alaska and in the Gulf of Mexico. In his weekly speech , the President insisted the US could reduce its need for imported oil and improve safety. Using his speech to tell Americans that he understood their concerns about rising prices, President Obama focused particularly on the price of fuel, which has risen in recent months. US consumers have historically enjoyed cheap fuel , but have seen prices rise in recent months even though US oil production in 2010 reached its highest level for seven years. Although the oil spill in the Gulf of Mexico in 2010 was serious, Mr Obama said the Gulf remained a key part of the country's future energy supply. The President's proposals come after Republicans introduced a series of proposals that would expand and speed up oil and gas production. The White House has criticized the Republican proposals for safety reasons , but Mr Obama was clear in his speech that he felt safety and environmental standards could be maintained even though production might rise. " I believe that we should continue to expand oil production in America --even as we increase safety and environmental standards ,"he said. "As a nation, we should be investing in the clean, renewable sources of energy that are the solution to high gas prices." Mr Obama has previously called for a step-change in energy policy, saying the US must move towards getting 80%of its electricity from clean energy sources by 2035. Mr Obama thinks the Republican proposals are _ . A) Not safe enough B) Not environmentally friendly C) Practical D) Clear
C

Earlier this month, the Obama Administration called for increased protection of the world's most southern continent, Antarctica.Scientists say climate change and human activity have increasingly led to the melting of massive pieces of Antarctic ice.The disappearance of ice will not only affect wildlife in the area such as seals and penguins.The melting will also cause oceans and seas around the world to rise. This represents a major threat, especially to coastal areas.For example, the ancient city of Venice, Italy has long been threatened by rising sea levels.The situation is made worse by the fact that its ancient buildings, built on a body of water called a lagoon , are slowly sinking.When the city was founded about 1,600 years ago, the level of the Adriatic Sea was almost two meters lower than it is today. Rising sea levels are not the only threat.The salty water is also destroying Venice's famous buildings and artworks.The Italian government is trying to fix the problem with the construction of a seven-billion-dollar system of moving flood barriers. Climate change is also leading to the melting of ice in other areas, such as Mount Kilimanjaro in northeastern Tanzania.It is the highest point in Africa, measuring almost 6,000 meters.The mountain supports five vegetation zones and many kinds of animals. The ice glaciers on the mountain are disappearing very quickly.This will have a bad effect on the mountain's ecosystems and on Tanzania's travel industry.Also, a valuable record of thousands of years of weather history will also be lost if the ice melts.Scientists study pieces of glacier to understand weather patterns from thousands of years ago. In the United States, the icy masses in Glacier National Park in Montana may soon completely disappear because of climate change.In 1850, there were an estimated 150 glaciers in the more than 400,000 hectare park. There are 26 glaciers remaining today.Scientists estimate that the glaciers will be gone by 2030.Warming... How many glaciers disappeared since 1850 in Glacier National Park? A) 150. B) 26. C) 400,000. D) About 124.
D

Children today spend less time outdoors than ever before and it may be harmful not only to their physical health, but also to their cognitive development. A year-long study, recently published in the Sciences, found that elementary school children who were exposed to more green space within or directly outside their school showed improved learning and memory. The findings reinforce that of a recent six-year study on 905 Massachusetts public elementary schools, which found that students in schools that had more "greenness" in their surroundings reported higher scores on standardized testing in English and math. "There is an expanding body of scientific evidence linking the human experience in the natural world to better physical and mental health and improved cognitive abilities," journalist Richard Louv, co-founder of the Children & Nature Network, said in an email to The Huffington Post. "An increasing number of homeschoolers, nature preschools, independent primary and secondary schools, and forward-thinking public schools are incorporating nature experience into learning." The new study was conducted on more than 2,500 children in second, third and fourth grade at 36 primary schools in Barcelona, Spain. Researchers found that the students who attended schools with more green space showed a 5 percent improvement in the short-term memory that's critical for reasoning, learning and comprehension. But their inattentiveness decreased slightly. Spending time outside could have a number of benefits for children beyond improved memory and attention. Another recent study found that adventurous outdoor play such as climbing, rough and tumble play, and exploring alone improves children's physical health while also help them develop creativity and social skills greatly. Some schools are starting to take notice, creating more space for children to enjoy being in nature, including community gardens, outdoor playgrounds and small parks. In which column of a newspaper can you see this article? A) Entertainment. B) Travel. C) Parenting. D) Education.
D