A.the rising of PM2.5 readings |
B.more people suffering diseases |
C.the increase of people's income |
D.patients increased in hospital |
A.Because people have to pay higher prices. |
B.Because nobody can avoid it. |
C.Because we have to develop industry. |
D.Because a popular onlinepost discussed it. |
A.we have to sacrifice air as the price |
B.the dirty air is not what we want |
C.ecological progress can be ignored |
D.the smog is the only byproduct |
A.hightech can completely solve the problem of pollution |
B.space technologies should be developed in a large scale |
C.we can move to Mars after the earth has been destroyed |
D.we must protect the environment while developing economy |