A:Hamburgers are their favourite.
B:Hot dogs are their favourite.
C:Hot dogs are my favourite.
How often do you use your car? Can you use your car less often? Do you know the following facts in the UK?·About 50% of all car journeys are just for fun.·Over 80% people go to work by car.·25% car journeys are under two miles.·70% car journeys are under five miles.WALKING & CYCLINGInstead of using the car for short journeys, why not walk or ride a bicycle? Walking is the most popular form of exercise—it’s healthy and it can save money. If you work nearby, try walking or cycling instead of driving. Walking your children to school gives them valuable road experience.BUSESBus companies are using new buses: some run on new fuelswhich produce less pollution; some have easier access(通路)for disabled and old people. There are special traffic lanes (行车道)to make bus journeys easier. So do something to help solve the pollution problem----let the bus take you to work and your children to school.TRAINSAll car journeys, long or short, can be hard work. For some trips, it is wiser to take the train. Leave your car at home and walk, cycle or take a bus to and from the station. Train travel is fast, safe and comfortable. Train tickets are not always expensive.
垃圾是一种“放错了地方的资源”.目前苏州市政府积极提倡实行垃圾分类回收,在街道边放置了可回收垃圾箱和不可回收垃圾箱.以下应该放进不可回收垃圾箱的垃圾是( )
饱和一元醇C7H15OH,发生消去反应时,若可以得到两种单烯烃,该醇的结构简式( )