Read the article and select the best answer. Article: The earth is about 4,600 million years old. Modern man has lived on the earth for only 35,000 years, but during that time, we have changed our planet in many ways. Many of the things that we have done are good, but more are not good for the earth. Water pollution A lot of people, birds and fish die each day because of water pollution. Factories have polluted the land and the water. As a result, many rivers and lakes are now dead. Air pollution In big cities, factories, as well as cars, trucks and buses are the main cause of air pollution. Many people in cities now have serious health problems. For example, Mexico city used to be a beautiful sunny capital, but today it is always covered by thick brown clouds. Soil pollution In order to have a good harvest, most of the farmers use chemicals too much in their fields. That's bad for the soil. But this kind of pollution is difficult to stop. Hope for the future These problems are very serious for our future, so all of us should do something to improve our environment. If we can stop pollution, our planet will become more and more beautiful and our health will be better. Let's be greener people! ,. Question: There are _ kinds of pollution in this passage. Options: A: two B: three C: four D: five
B

Read the article and select the best answer. Article: You know what it' s like. You' ve just arrived in Washington D. C. after a long journey and all you really want to do is lie down and relax in your hotel room. But first you have to make a few quick notes for tomorrow's meeting, check your e-mails, and perhaps print out a few- things. And you need to make a few local telephone calls, and one call to your family. And what do you usually get? Your desk is just about big enough for a cup of coffee, and there's no desk lamp~ the stationary is only several pieces of paper and the only pen there doesn't work at all. If you want to print something, you have to go to the Reception ,and when you try to use your cell phone, you find that it won't work in the U. S. A. Well, Harmony Hotel is different. Just tell us ahead of time what you're going to need, and we'll make sure that it's waiting for you when you arrive. There will be a printer in your room if you want one, and a cell phone that really works. All you have to pay for is the calls you make. We can also provide a room for business meetings, even a secretary to take notes. All we ask is a few days' notice. All of our rooms are of the same high standard and we promise not to increase prices in the next twelve months. But book now, because many people are already calling to book rooms, and we'd hate to disappoint you. Harmony--the hotel you've always wanted, but never been able to find before. Question: Why is it best to book now? Options: A: All of the rooms are empty now. B: Prices might increase soon. C: There may be no rooms left. D: It saves money for guests.
C

Read the article and select the best answer. Article: The final exam comes with June. When the exam ends , the summer vacation begins. Boys and girls have about two months to relax. The summer vacation is the best part of the year for most children. The weather is usually fine. They can swim, go to summer camp or visit other places with their parents. Of course, the beaches are good places for relaxing. Some children are lucky to live near the sea. They can enjoy the sea anytime . But for the children far from the sea, they go to the beaches for one or two weeks with their parents. Why do children like spending their summer vacations on the beaches? It is because they like the sand , the sun, the cool wind and the sea water. There are lots of new things to see, nice things to eat, and exciting things to do. ,. Question: The summer vacation is about _ . Options: A: two weeks B: two months C: three months D: two days
B