Questions 23 to 25 are based on the following news.
[23/24]At least 38 people were killed and more than 60 injured in two suicide bomb attacks on the Moscow Metro during the morning rush hour. No group has yet claimed responsibility for being behind the attacks. But Russian security services believe the bombers are linked to militant groups in the North Caucasus region. The first explosion tore through the second carriage of a train, as it stood at central Lubyanka station waiting for morning rush hour commuters to board. The second blast at Park Kultury, which is six stops away from Lubyanka, came about 40 minutes later. It struck at the back of the train as people were getting on board. [25] Moscow's Metro system was disrupted following the attacks, but both stations had reportedly reopened by the evening rush hour.
Keys: 23. [D] 24. [B] 25. [D]
Questions 26 and 27 are based on the following news.
[26]A unique experiment to try to communicate with life in outer space and give a picture of life on earth is to take place from a pyramid in Mexico. [27]Thousands of people around the world have already sent in their images, videos and sounds to the project. Contacting outer space has been an obsession for humans for thousands of years. Now this new project aims to make an attempt on behalf of the digital generation. Organized by the Internet search engine Yahoo, material has started to be collected from around the planet.
Keys: 26. [B] 27. [D]
Question 28 is based on the following news.
[28]South Africa's police have launched a fitness regime to battle obesity after worries were raised about their ability to keep fans safe at the World Cup. A police commissioner said new recruits should fit into the same-size uniform for their whole careers. Officers needing a larger size will be given a year to slim down or face being kicked off the force, he said.
Key: 28. [C]
Questions 29 and 30 are based on the following news.
The US Capital, Washington DC, is fighting an epidemic of HIV/AIDS that's affecting 3% of the city's population. [29]The rate of infection is the highest in the US and higher than a number of African nations. Washington's H1V/AIDS problem is getting worse, not better. There's been a 20% increase in cases in the past two years. The city's department of health says that 3% of its residents over the age of twelve are now living with HIV/AIDS. In Washington the majority of those infected are African American. Men aged between 40 and 50 have been the hardest hit. The city is discussing ways of tackling the problem with an emphasis on more testing. [30]But Washington's Mayor says that so far the message appears to be going in one ear and out the other.
Keys: 29. [B] 30. [D]