Test23 3.pdf

1、Test 23C 阅读理解Gasoline is from oil.The energy in gasoline comes from hydrocarbons(碳氢化合物).Gasoline provides great power for cars.However,it causes environmentalproblems,like air pollution and temperature rise.So gasoline cant be the best fuel.Another choice is electricity.Electric cars can be as effic

2、ient(效能好的)as carsusing gasoline.And they produce less pollution.But electric cars themselves are moreexpensive.Good news is that the cost has been lower and there are more and moreplaces for the cars to get electricity ever since 2010.The other choices are other liquid fuels.Many of these can be sto

3、red in the sameplaces as gasoline,and used in the same cars.They can also be friendly to theenvironment.汽油是来自石油。汽油中的能量来自碳氢化合物。汽油为汽车提供强大的动力。然而，它会引起环境问题，如空气污染和温度上升。因此，汽油不可能是最好的燃料。另一个选择是电力。电动汽车的效能可以和燃油汽车的效能一样好。而且它们产生的污染更少。但是电动汽车本身更加昂贵。好消息是，自 2010 年以来，电动汽车的成本更低了，给电动车充电的地方越来越多了。其他选择是其他液体燃料。它们中的许多可以储存在与汽油相同的地方，并在相同的汽车中使用。它们也是环境友好的。