Read the article and select the best answer. Article: Skin-diving is a new sport today. This sport take you into a wonderful new world. It is like a visit to the moon! When you are under water, it is easy for you to climb big rocks, because you are on longer heavy. Here, under water, everything is blue and green. During the day, there is plenty of light. When fish swims nearby, you can catch them with your hands. When you have tanks of air on your back, you can stay in deep water for a long time. But you must be careful when you dive in deep water. To catch fish is one of the most interesting parts of this sport. Besides, there are more uses for Skin-diving. You can clean ships without taking them out of the water. You can get many things from the deep sea. Now you can see that Skin-diving is both useful and interesting. Question: Skin-diving can take you to _ . Options: A: an exciting world B: a new world C: a beautiful world D: an interesting and new world
D

Read the article and select the best answer. Article: We people have homes.Animals have homes,too. Some animals live under the ground.The woodchuck lives in the holes under the ground.His home has two doors.If someone comes in through one door,he will go out through the other door.Some birds live in the holes in the trees.They come out for food during the day and go back to sleep at night.But most birds live iust in the trees.It's very interesting that turtles usually carry their homes on their backs.Bees always work hard to make their homes.Cats,dogs and some other pets live in people's homes.And we can see many kinds of animals in the zoo,so the zoo is also a big home for animals. Question: The turtles'homes are _ . Options: A: under the sand B: in the sea C: in the grass D: on their backs
D

Read the article and select the best answer. Article: Mary is an American girl. Her parents, Mr. and Mrs. Smith find work in China. So they live in Wuhan now. Mr. Smith works in a big shop. Mrs. Smith teaches English in a middle school. Mary goes to that school on weekdays. On Sundays she goes shopping with her mother. She likes dumplings very much. Every time they'd like many dumplings. It's 6:30 in the evening now. Mrs.Smith is cooking. Mr. Smith is helping her with the housework. What's Mary doing? She is doing her homework carefully. Question: Mary is in _ now. Options: A: America B: England C: Chinese D: Wuhan
D

Read the article and select the best answer. Article: 500 years ago in Britain, the burning of coal was increasing in cities like London. Coal was used in factories and also used to heat homes. Coal, when burnt makes a lot of smoke, which makes the air very dirty. About 200 years ago, the Industrial Revolution began in Britain. Factories were built, and even more coal was burnt. Air pollution was becoming a really big problem. Smoke and fog together make smog . Smog was a big problem in London's winter. Because of the cold weather, more coal was burnt to warm houses and this made more smoke. When smog stayed over a city, it became really hard to breathe and see clearly. In 1952, the Great London Smog happened and more than 4,000 people died because of the smog. New laws were made in 1956 and 1968 to stop such sad things from happening again. These laws were called the Clean Air Acts. These laws were made so that air would become cleaner. The laws encouraged people to use less coal or _ other fuels such as gas. Factories started using tall chimneys so that the smoke would go high up in the sky and no longer cover cities, and new factories were built in the countryside. Smog appeared less often and the air became cleaner. Question: From the passage, we learn that smog was a big problem in _ in London. Options: A: spring B: summer C: autumn D: winter
D