1.Who provides data from Lake Erie?
A.The waterquality monitoring stations.
B.Natural Resource Conservation Service.
C.The Ohio Department of Natural Resources.
D.The U.S.Environmental Protection Agency.
2.The underlined phrase “pin down” in Paragraph 5 means “
”.
A.looks through
B.explains exactly
C.keep a record of
D.show clearly
3.What causes the pollution in Lake Erie?
A.Animal waste from nearby farms.
B.Waste water from a nearby factory.
C.Chemical fertilizers from the fields.
D.Pesticide farmers used to kill locusts.
4.What is the purpose of planting quickgrowing crops?
A.To prevent worms from eating crops.
B.To increase the harvest of the farmers.
C.To make full use of chemical fertilizers in the soil.
D.To keep the soil from being washed away.
B
Consumers everywhere are faced with the same dilemma:given limited resources,what sorts of purchases are most likely to produce lasting happiness and satisfaction?Recent research has confirmed that experiential purchases tend to produce greater hedonic(享乐的) gains than material purchases.
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