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阅读下列短文，从每题所给的四个选项(A,B,C和D)中，选出最佳选项，并在答题卡上将该项涂黑。Hello. I’m Jan from Mrs.Lake’s class. My class wants to work together to help the public. We think we have found a great way to do this. Last month we did a class project on the highways near our town. We learned about the Adopt-a-Highway Program. This program brings people together to pick up litter along the roads. We think it would be a great idea for all students in our school to join the program and adopt a highway. Adopting a highway is not like adopting a pet. When a highway is adopted，only part of the highway is cared for by a group of people. The group agrees to work every week to keep its part of the highway clean.Each group gets its own sign that has the name of the group printed on it. The sign is put up at the side of the road. This sign lets drivers know who is keeping that area of the road clean. The Adopt - a-Highway Program is a great way for people to help their environment look nicer. Also,the governwent does not have to send out as many road workers. This saves money. Finally, people may try harder to keep roads clean if they see people，especially teenagers like us， cleaning them up. We will need helpers to care for our adopted highway. If you want to feel great and keep our roads clean，please come with your parents to the meeting next week. We will meet in Mrs. Lake’ room on Wednesday at 6:00 P.M. At the meeting, we will talk about which roads are the dirtiest as a result of people's unkind acts. Then we' Il try to pick an area to adopt and clean ap. | 
