Read the article and select the best answer. Article: A recent report has suggested that air pollution in our big cities could be as damaging to our health. The report put forward practical tips that city people can take to reduce their exposure to city air pollution. Quite a lot, it turns out. * Watch where you walk Avoid walking along busy streets and thoroughfares , instead choosing side streets and parks. because pollution levels can fall by a factor of 10 just by moving a few metres away from the main source of the pollution - exhaust fumes. " Don't walk behind smokers, and walk on the windward, side of the street where exposure to pollutants can be 50% less than on the leewardside. * Pavement sense When you're crossing a road, stand well back from the kerb while you wait for the lights to change. Every metre really does count when you are close to traffic. As the traffic moves, the gases can disappear in just a few seconds, particularly if the wind is up, which means holding your breath during this period can make a difference, silly as that might sound. Besides, cross the road as quickly as possible. And once you're over, continue along the pavement as far away from the kerb as possible. * Where to sit on the bus Sitting on the driver's side of a bus can increase your exposure by 10% compared with sitting on the side nearest to the pavement. And sitting upstairs on a double-decker can reduce your exposure too. It's difficult to say whether travelling on an underground train is better or worse than taking the bus, but the air pollution on underground trains tends to be less toxic by weight than that found at street level. * Wear a mask Masks can be a good thing, but they only make a difference if they fit tightly and are cleaned regularly. Even the slightest gap to allow you to breathe more easily will _ any advantages. Worse, if you fail to clean or change the mask regularly, something dangerous can form on the mask. So the air you breathe is dirtier rather than cleaner. Question: The best title for the passage probably would be _ . Options: A: How to make our life easy and at ease B: How to reduce the exposure to city air pollution. C: The ways to deal with city pollution D: We should draw a lesson from city air pollution
B

Read the article and select the best answer. Article: Below is a selection about interesting hotels. Tayka Hotel de Sal Where: Tahua, Bolivia How much: About $95 a night Zxxk Why it's cool: You've stayed at hotels made of brick or wood, but salt? That's something few can claim. Tayka Hotel de Sal is made totally of salt - including the beds (though you'll sleep on regular mattresses and blankets). The hotel sits on the Salar de Uyuni, a prehistoric dried-up lake, which is the world's biggest salt flat. Builders use the salt from the 4,633-square-mile flat to make the bricks, and glue them together with a paste of wet salt that hardens when it dries. When there is big rain, the owners just mix up more salt paste to strengthen the bricks. Green Magic Nature Resort Where: Vythiri, India How much: About $240 a night Why it's cool: Taking a pulley -operated lift 86 feet to your treetop room is just the start of your adventure. As you look out of your open window - there is no glass! - you watch monkey and birds in the rain forest canopy . Later you might test your fear of heights by crossing the handmade rope bridge to the main part of the hotel, or just sit on your bamboo bed and read. You don't even have to come down for breakfast - the hotel will send it up on the pulley-drawn "elevator". Dog Bark Park Inn B&B Where: Cottonwood, Idaho How much: $92 a night Why it's cool: This doghouse isn't just for the family pet. _ is a 30-foot-tall dog with guest rooms in his belly. Climb the wooden stairs beside his hind leg to enter the door in his side. You can relax in the main bedroom, go up a few steps of the loft in Willy's head, or hang out inside his nose. Although you have a full private bathroom in your quarters, there is also a toilet in the 12-foot-tall fire hydrant outside. Gamirasu Cave Hotel Where: Ayvali, Turkey How much: Between $130 and $475 a night Why it's cool: This is caveman cool! Experience what it was like 5,000 years ago, when people lived in these mountain caves formed by volcanic ash. But your stay will be much more modern. Bathrooms and electricity... Question: What is the similarity of the four hotels? Options: A: Being expensive. B: Being comfortable. C: Being natural. D: Being unique.
D

Read the article and select the best answer. Article: Jason What I like best is seeing Arsenal win and playing football. If I am feeling sad I will play a football game on my Play Station 2. The best day I have ever had was when I finished first in the 800-metre race at my secondary school. It was a school record, although I didn't know that at the time. My family makes me happy, too. Antonio My little sister makes me sad because she always tells tales on me to my mum. If I am having a bad day, food cheers me up. I like chili con carne and sweet chili crisps. It makes me happy because I want to be big and have lots of energy. Usman I haven't done anything very exciting in my life but one of my best achievements is that I got a good report from my school this year, because last year I got a bad one. People on TV make me laugh, particularly Eddie Murphy. If I am having a bad day I watch Basil Brush. I am good at making other people happy. I just talk and my friends start laughing -- they think I am silly. Ashleigh If I'm having a bad day, knowing that someone is there for me can make me happy. I wouldn't say I'm the best at making other people happy, but I know that just being a good friend to other people is important. The things I like doing are singing, dancing, hanging out with my friends and just being lively and funny. Kinzey The most exciting thing I have ever done in my life was when I went abseiling in Wales. But that was a one-off. The things I do all the time are playing football, watching movies and going places with my friends. I know it sounds bad, but what I find funny is when people hurt themselves. If I am having a bad day and I see someone having a worse day than me, that makes me feel better. Question: Food is very important for _ when he has a bad day. Options: A: Kinzey B: Ashleigh C: Antonio D: Usman
C