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Mark the letter A, B, C, or D on your answer sheet to indicate  the word whose underlined part pronounced differently from that of the others

A.children
B.chicken
C.charity
D.christian
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Read the passage carefully and choose the correct answer.
Scientists believe they now have scientific evidence to prove that ecosystems work better when there is greater variety of species within them. This biodiversity is being lost destroying natural mechanisms that could repair the damage caused by man.
Findings show that losing plants and animals is not only reducing our quality of life but actually endangering our very existence. We cut down rich rainforests and replace them with one species plantations, such as pine and eucalyptus. We plough up meadows rich in different grasses and herbs and replace them with one grass, for instance rye or wheat.
When a natural ecosystem is simplified the basic processes in the ecosystem are altered and even damaged. Without their biodiversity they are not able to serve as the natural cleaners of our planet. No longer are they able to absorb the carbon dioxide that is being produced in excess. The result is global warming, caused by the increase in the 'greenhouse effect', and ultimately, or even 'sooner, there will be' a change in the world's climate.
What is the author's attitude to the loss of biodiversity?
A.Indifferent
B.Negative        
C.Positive  
D.Neutral

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
Cell Phones in Africa
Starting time the African continent is home to some of the poorest countries on earth, where people struggle to feed their families on less than $2.00 a day. Nevertheless, Africa is also the world's fastest growing market for cell phones. Cell phones have brought twenty-first century technology to villages where people light their huts with candles and walk hours to find drinking water. Some experts think cell phones will improve life for the 680 million Africans more than any other invention of our time. Why are cell phones spreading so rapidly in Africa?
One reason is simply that other forms of communication are difficult. The roads are terrible in many countries, making travel lengthy and expensive. Regular phones require lines to be laid across Africa's vast - jungles and deserts. Cell phones, however, send their signals from towers, which can easily be constructed by hand, sometimes out of leftover pieces of metal. Furthermore, with the difficult economic situation in many African countries, cell phones can be extremely useful. Many Africans have had to move far from their home villages to look for work. With a cell phone, they can call hregularly and keep in touch or even send money. It is also possible in some countries to make purchases or bank deposits with cell phones. People who run small businesses can use the phones to send in orders or keep in touch with customers. Others can make money selling phone time to those who don't have a cell phone of their own.
Recent studies have shown that where cell phone use has increased in Africa, the economy has been strengthened and the people are better off. In Uganda, for example, a charity group has started a new program with Uganda's largest cell phone company. The program, called villagePhone, helps village women get started as phone owners. The women borrow small amounts of money from banks connected to villagePhone and then use that loan money to buy a phone and some calling minutes. Then they can sell phone time in the village to people without phones. In very little time, these women are usually able to repay the money they have borrowed. A • 0 such woman named Fatima had a small shop in her Ugandan village whe she sold household goods and food to support her four children. In the p Fatima rarely had enough money to buy things to sell in her store and so s made very little money from her business. B • However, she realized there was a need for a telephone in her village, since the closest phone was 6.7 miles (4 km) away. She bought a phone with a loan from villagePhone and ran it off an automobile battery. Since starting her villagePhone business, Fatima's income has grown. What's more, her store is now a center of village life. Fatima's story is like many throughout Uganda. C • And for each woman with a phone, a whole village has access to new services new economic possibilities. A similar program has started in neighboring Rwanda. Soon women there will be using cell phones to raise their income level and improve their lives. D •
What do women do with the money they borrow from the bank?
A.buying a phone and using it to find a job
B.buying a phone and selling calling time
C.opening a phone shop
D.going to the city to find a job

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