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and family in seconds! People began to use telephones in the late 1800s. Modern phones can do many things. Cell phones can be carried with us wherever we travel. Some phones can even let you take pictures. These images can be sent to other cell phones. Computers have made some of the biggest changes in munication. The inter sends messages around the world in seconds! Although new technology helps us stay in touch with each other, many people still enjoy sending and getting letters. With so many ways to municate, it’s easy to find your favourite way to stay in touch. 46. When your greatgrandparents were young, . A. the world was the same B. people didn’t municate C. it was slower to municate D. cell phones were invented 47. From the passage, we know that carried letters the fastest. A. horses B. buses C. trains D. planes 48. When did people begin to use telephones? A. In the early 1900s. B. In the 18th century. C. In the 21st century. D. In the late 1800s 49. What does the underlined(加下劃線的 )word “images” mean? A. Pictures. B. Messages. C. Telephones. D. Letters 50. Which is the best title(標(biāo)題 )for the passage? A. The best way to municate. B. How we keep in touch. C. Please municate more. D. No letters any more. B Everyone knows that chickens lay eggs(產(chǎn)卵 ). Most people know that all the other birds do as well. But have you ever thought about other animals that lay eggs? They include bees, snakes and some sea animals. When a mother lays eggs, many more babies can be born at once, or in a few days, because there is very little development inside the parent. Animals that do not lay eggs often have fewer babies. Animals lay many eggs because other animals may eat the babies. However, even though some of their babies are eaten, they will still have some more to continue their family. Some animals that lay eggs do not take care of their young. Turtles e on to the beach and dig(挖 )holes. Then they put their eggs in the sand and leave. A turtle mother can lay as many as 150 eggs. When the babies e out of the eggs, they must find their own way to the ocean. They must learn how to live on their own. Many young turtles get eaten by other animals. Most eggs have an outside shell(殼 )that keeps the growing animal inside safe. The egg shell also keeps the young animal from drying out. After the animal is fully developed, it es out of the egg. The animal grows bigger and bigger. Then it can have its own young. 51. Which animals lay eggs? ① Snakes. ② Turtles. ③ Camels. ④ Bees. ⑤ Chickens. A.①③④ ⑤ B. ①②③ ⑤ C. ①②④ ⑤ D.②③ ④ ⑤ 52. Why do animals lay many eggs? A. Because other animals may eat their babies. B. Because they use their eggs for food. C. Because they want to have fewer babies. D. Because they want to eat their babies. 53. What do we know about turtles? A. They don’t look after their babies. B. Baby turtles hate their mother. C. Other animals can’t eat turtle babies D. Turtle babies can’t take care of themselves. 54. Egg shells can be used to . A. make eggs more beautiful B. make eggs more tasty C. let the young animals dry D. protect the young animals 55. The passage is probably from . A. a newspaper B. a science book C. a sports magazine D. a story book C “The zoo has money problems,” Grandmother Sandy said. Angel listened. She heard that Fresno’s Chaffee Zoo didn’t have enough money to take care of its animals. Angel loved animals. She planned to stu