A.Because of the rise in pollution |
B.Thanks to science development |
C.Because the earth is being polluted day and night |
D.Because the earth is blown away by the wind every year |
A.much easier than | B.as easy as |
C.much harder than | D.as hard as |
A.rubbish(垃圾) | B.noise pollution |
C.air pollution | D.water pollution |
A.it makes much noise |
B.it makes us angry more easily |
C.it makes our rivers and lakes dirty |
D.it’s bad for all living things in the world |
A.Many countries are making rules to fight pollution. |
B.The pollution of the earth grows as fast as the world population does. |
C.The problem of pollution is not so serious because there are not so many people living on the earth. |
D.If people could go to work by bus or bike instead of car or motorbike, it would be helpful in fighting against the problem of SO2. |