We should pay attention________（protect) the environment.

A.Create a Taobao account

B.Get a bank card

C.Bargain with the customer service

D.Pay with pay treasure carton

__.

A) we should pay a debt for, our feeling

B) we have to be hurt when We feel something

C) our pain is worth feeling

D) when we feel pain, we are suffering it

A.learn

B.learning

C.to learn

D.have learned

A.It’s unreasonable for any websites to ask for a fe

B.We shouldn’t give these websites any fe

C.We can pay the fee to these websites under some circumstances.

D.We just needn’t visit these websites any mor

sible to pay the soldiers and policemen who protect us; nor the workers in government offices who look【C1】______our health, our food, our water, and all the other things that we can not do ourselves;【C2】______the persons who govern the country for us.【C3】______means of taxation, we pay for things that we need just as much as we need【C4】______to live and something to eat. Though everyone knows that taxation is necessary, different people have different【C5】______about how taxation should be arranged. Should each person have to【C6】______a certain amount of money to the government each year？ Or should there be a tax on things people buy and sell？ If the first kind of taxation is used, should everyone pay the same tax,【C7】______he or she is rich or poor？ If the second kind of tax is used, should everything be taxed equally？ In most countries, a direct tax on persons, called an income tax, is used. It is arranged in【C8】______a way that the poor people pay nothing, and the【C9】______of tax grows greater as the taxpayers income grows. In some countries, for example, the tax on the【C10】______people goes as high as 90 or 95 percent.

【C1】

A．after

B．for

C．into

D．at