【单选题】If pollution continues to increase at the present rate, formation of aerosols (浮质) in the atmosphere will cause the onset of an ice age in about 50 years' time. This conclusion, reached by Dr. S.I. Ra...
A.
The amount of carbon dioxide increases in the atmosphere.
B.
The temperature increases due to the liberation of carbon dioxide.
C.
The planet is becoming hot because of the collection of aerosols.
D.
The formation of aerosols causes the Earth to cool down.
【单选题】The latter part of the 20th century has seen a continuous increase in economic growth, but such achievements, according to L.R. Brown, do not necessarily make up a cause for celebration.
【单选题】(Although) the wages for all the members of the working staff (increase regularly), so (their expenses do) for the prices for everything (are increasing dramatically) at the same time.