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【单选题】The work on atmospheric chlorofiuorocarbons (氯氟化碳) led eventually to a global CFC ban that saved us from ozone-layer reduction. Do we have time to do a similar thing with carbon emissions to save ours...
A.
it can produce charcoal most of which can be used as fuel
B.
it doesn’t involve any international cooperation or negotiation
C.
it brings extra income to farmers and saves government money
D.
it needs no advanced technology or expensive equipment
【单选题】Look at your watch for just one minute. During that time, 174 babies were born in the world. Maybe you think that isn’t many. During the next hour, over 10440 more babies will be born in the world. So...
A.
Right
B.
Wrong
C.
Doesn’t say
【单选题】Agriculture ( ) 20 per cent of the gross domestic product in a country with an agricultural population of around 1 billion.在我国农民人口约十亿，农业占国民生产总值的20%。
A.
accounts for
B.
accountant for
C.
accounts out
D.
account for