10.51.Tom works at an animal hospital everySaturday. 52.Tom wants to bean animal doctor in the future. 53.Tina reads books for children in the libraryafter school. 54.Tina reads books in the libraryonce a week. 55.They plan towork in an old people's home this summer vacation.
17.15.The smallest post office in the USA has only one room with no clerks. 16.The post offices in the USA are usually open from 8:30to 4:30on weekdays. 17.The United States Postal Service is the largest company in the world. 18.There are more than 40,000 post offices throughout the United States. 19.The post offices in the United States deal with more mails than those in Japan. 20.The passage mainly tells about the history of the post office in the United States.
11.16.The invention which is NOT mentioned isB. A.the alarm clock B.the light bulb C.the cellphone 17.A of the people felt that inventions had improved the quality of their lives. A.95 percent B.90 percent C.85 percent 18.Chen Mingming thinks that the bad thing of the cellphones isC. A.they bring people together B.many people can not use them C.sometimes the cellphones bother him 19.Wang Kun lovesA. A.computers and televisions B.cellphones C.movies 20.Wu Dong sold his TVA ago. A.one year B.two years C.four years.