Question: Read the following article and select the best answer. Article: Finland is perhaps the most beautiful and mysterious of the countries of northern Europe. Two-thirds of its surface is covered with thick forests and among them lie lakes, connected with rivers and canals. The northern part of this country is inside the Arctic Circle , where almost no trees can grow because of its cold weather and the people use their deer for transport, clothing and food. Then Finish history began in the Middle Ages. In about 1155,prefix = st1 /Finlandwas conquered by its western neighbouringSweden. After a period of rule byDenmarkin the 14thcentury, the Swedes won back independence and power in 1523 under their brave king. During the Napoleonic Wars (1814-1818)Finlandwas passed finally fromSwedentoRussia. The opportunity came in 1917, when the Russian Revolution brought foreign rule ofFinlandto an end. Shortly after Soviet Russia made peace withGermany, 1919 saw the founding of theFinnishRepublic. The years between the First and Second World War were years of progress and growing development. Finland has no coal or oil, and the nation's wealth lies in the timber from its forests, which supplies material for paper and furniture making, and in the electric power from its water. Question: Finlandmust have been under the control of _ for as long as one hundred years or so. - Russia - Denmark - Sweden - foreign countries
Answer: Russia

Question: Read the following article and select the best answer. Article: Holding a cell phone against your ear or stalling it in your pocket may be hazardous to your health. This paraphrases a warning that cell phone; manufacturers include in the small print that is often tossed aside when a new phone is purchased.Apple, for example, doesn't want iP hones to come closer to you than 1.5 centimeters; Research In Motion, Blackberry's manufacturer, recommends 2.5 centimeters. If health issues arise from cell phone use, the implications are huge.Voice calls - Americans chat on cell phones 2.26 trillion minutes annually - generate $109 billion for the wireless carriers. Devra Davis, an epidemiologist who has worked for the University of Pittsburgh, has published a book about cell phone radiation, "Disconnect." The book surveys scientific research and concludes the question is not settled. Brain cancer is a concern that Ms. Davis examines. Over all, there has not been an increase in its incidence since cell phones arrived. But the average masks an increase in brain cancer in the 20-to-29 age group and a drop for the older population. "Most cancers have multiple causes," she says, but she points to laboratory research that suggests low-energy radiation could damage cells that could possibly lead to cancer. Children are more vulnerable to radiation than adults, Ms. Davis and other scientists point out. Radiation that penetrates only five centimeters into the brain of an adult will reach much deeper into the brains of children because their skulls are thinner and their brains contain more absorptive fluid. No studies have yet been completed on cell phone radiation and children, she says. Henry Lai, a research professor in the bioengineering department at the University of Washington, began laboratory radiation studies in 1980 and found that rats exposed to radiofrequency radiation had damaged DNA in their brains. Ms. Davis recommends using wired headsets or the phone's speaker. Children should text rather than call, she said, and pregnant women should keep phones away from the abdomen. Question: We can infer from the passage that _ . - Cell phone may do harm to our health if we hold it against our ear or store in our pocket - Devra Davis thinks that there are many factors contributing to cancer. - The increase in brain cancer in the young adults may have something to do with cell phone - Children are more likely to be affected by radiation
Answer: The increase in brain cancer in the young adults may have something to do with cell phone

Question: Read the following article and select the best answer. Article: A gadget which makes water out of air could become the greatest household invention since the microwave.http://www.ks5u.com/gaokao/beijing/ Using the same technology as a dehumidifier ,the Water Mill is able to create a ready supply of drinking water because it can always get from an unlimited source--the air.http://www.ks5u.com/gaokao/beijing/ The company behind the machine says not only does it offer an alternative to bottled water inhttp://www.ks5u.com/gaokao/beijing/ developed countries, but it is a solution for the millions who face a daily water shortage.http://www.ks5u.com/gaokao/beijing/ The machine works by drawing in wet air through a filter and over a cooling instrument which changes it into water droplets.It can produce up to 12 liters a day.The Water Mill will also produce more water when storms pass over, as the amount of water which is contained in the air increases. In keeping with its eco-development, the machine uses the same amount of electricity as three lights. Inventor Jonathan Ritchey said, "The demand for water is off the chart. So people are looking for freedom from water distribution systems that are shaky and unreliable." The machine, which is about 3 feet wide, is likely to cost PS800 when it goes on sale here in the spring. Its maker, Canadian Firm Element Four, roughly calculates that a liter of water costs around 20 pence to produce. Environmentalists state that half the world's population will face water shortage because of climate change by 2080. One in five is said to lack access to safe drinking. The Water Mill is not effective in areas where the amount of water contained in the air is below about 30 percent, but in Britain that won't be much of a problem. Question: What does the passage lead us to believe?http://www.ks5u.com/gaokao/beijing/ - The cost of water will go up. - Bottled water will disappear soon. - The machine is energy saving. - The machine will be popular worldwide.
Answer:
The machine is energy saving.