AThe Food and Agriculture Organization.
BUN Millennium Development Goals.
CThe International Fund for Agriculture Development.
DThe World Food Program.
AThe speaker believes that his wife, kids and work are the most important.
BThe speaker is starting to do some trading.
CThe speaker is too busy with his family that he has no time for trading.
DThe speaker believes that family is more important than trading.
AIt is surprisingly restrained.
BIt is moderate but very firm.
CIt is as always carefully weighed.
DIt is surprisingly well-structured.
AWeather collapse is inevitable.
BBecause of global warming, people have to reduce their use of resources.
CBecause of the scarcity of resources, people have to reduce the use of resources.
DPeople’s use of resources has an impact on climate.
对
错
对
错
对
错
对
错
AUS$160 billion.
BUS$181 billion.
CUS$8 billion.
DUS$320 billion.
AChina will see a $1 trillion increase of international air travel.
BChina’s middle-class will double, so too will its air travel market.
CChina will need a total number of 7,000 aircraft.
DChina’s demand for new aircraft will take up 30 percent of the world’s total.
AIts filtration system can dissolve salt into water.
BIts roots take up as much salt as possible.
CIts leaves can excrete excess salt.
DAll of the above.
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