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One day a wolf meets a fox. The fox says, "Let us {{U}} (11) {{/U}} of a way to catch the rabbit." After a while, the wolf {{U}} (12) {{/U}}, "I have an idea. We can catch the rabbit and eat him {{U}} (13) {{/U}}. You go home and get into bed, and I’ll go to the rabbit and tell him that you are {{U}} (14) {{/U}}. Then he will come near you to see if you are dead or not, and you will jump up and {{U}} (15) {{/U}} him." "That’s a good idea," says the fox, "I can do that."

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[单项选择]Imagine. One day all of us will have to pay for every breath we take. What will that be like Of course, that’s an exaggeration. But as environmental issues grow more concerning, carbon emissions begin costing more and more to businesses and families.
The carbon tax, simply speaking, is an environmental tax charged on fossil fuel. It is based on how much carbon a person or company emits. The primary purpose of such a tax is to lower greenhouse gas emissions. In order to reduce the fees, utilities, business and even individuals attempt to use less energy derived from fossil fuels.
Starting in Europe, carbon tax has had a patchy history. It’s widely accepted in Northern Europe, in countries like Denmark, Finland, the Netherlands, Norway and Poland.
China, as one of the leading carbon emitters, is also considering levying a carbon tax. This would further boost the price of fossil fuel. "We expect China will start to levy various taxes only if they are helpful in mitig
A. the carbon tax is widely accepted in Europe
B. the carbon tax originated from Europe
C. the carbon tax is not levied all over Europe completely
D. Denmark, Finland, the Netherlands, Norway and Poland have accepted the carbon tax for a long time