A.-20 000
B.20 000
C.180 000
D.-270 000
第2题
In many restaurants, customers can have a free glass of water ____________(除了付款的食物外).
第5题
A、knife&fork
B、paper&pen
C、coffee&water
D、snacks and mineral water
第6题
A、free bilirubin
B、bilinogen
C、bilin
D、conjugated bilirubin
E、biliverdin
第7题
According to the passage, what could be an efficient way to use water?
A.Adopting the system of water right owned by the government.
B.Charging for water in places where water is becoming scarcer.
C.Taking political measures to interfere with the water issue.
D.Making it a free market for people to trade water-usage rights.
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