根据短文内容，选择正确答案。 In most parts of the world, many students help their schools make less pollution. They join “environment clubs”. In an environment club, people work together to make our environment clean. Here are some things students often do. ◆No—garbage (垃圾) lunches. How much do you throw away after lunch? Environment clubs ask students to bring their lunches in bags that can be used (被使用) again. ◆No—car day. On a no-car day, nobody comes to school in a car—not the students and not the teachers! Cars give pollution to our air, so remember: Walk, jump, cycle or run. Use your legs! It's lots of fun! ◆Turn off the water! Did you know that some toilets can waste (浪费) twenty to forty tons of water an hour? In a year, that would fill a small fiver! In environment clubs, students mend those broken toilets. We love our environment. Let's work together to make it clean. （1）Environment clubs ask students ______.A．not to throw away lunch bagsB．to take exercise every dayC．Not to forget to take carsD．To run to school everyday（2）From the passage we know the students usually have lunch ______.A．at schoolB．in shopsC．in clubsD．at home（3）On a no—car day, ______ will take a car to school.A．both students and teachersB．only studentsC．no students or teachersD．only teachers（4）The writer wrote the passage to ask students to ______.A．clean schoolsB．make less pollutionC．join clubsD．help teachers