【正文】 are 教師評(píng)語(yǔ)： 。4. 歲月是無(wú)情的，假如你丟給它的是一片空白，它還給你的也是一片空白。 how many children he has。 whether he supports any relations, how much interest he receives, how much he has spent on his house during the year, and so on. All this makes it difficult to decide exactly how much the tax is.There was an artist who was always very careful to pay the proper amount.One year, after posting his check as usual, he began to wonder if he had paid enough, and after a lot of work, with a pencil and paper, he found that he had not. He thought that he owed the government something.He was just writing another check to send it to the tax collector when the postman dropped a letter into the box at the front door. Opening it, the artist was surprised to find inside it a check for five pounds from the tax collector. The official explained that too much had been paid, and that therefore the difference was now returned to the taxpayer.11. According to the passage, to decide the exact amount of tax to be paid is ____________.A. simpleB. easyC. difficultD. interesting12. It is mentioned in the passage that one has to pay tax according to ____________.A. how much education one has receivedB. whether one is single or marriedC. how old one’s children areD. where one lives13. The word “proper” in the second paragraph means __________.A. smallB. bigC. rightD. wrong14. After a lot of work, the artist thought that he had paid the government ____________.A. less tax than he should haveB. more tax than he should have C. as much tax as usualD. just enough tax15. Why did the tax collector send a letter to the artist?A. To send him a new tax form.B. To return the money overpaid.C. To remind him of paying the tax.D. To explain the rules of tax paying.Passage 4 The invention of telephone has greatly eased the munication among people, but callers should be careful about when to make a phone call or it will cause embarrassments.It is not customary to telephone someone very early in the morning in the USA. If someone is called very early in the morning, while he is shaving or having breakfast, the time of the call indicates great importance of the matter which requires immediate attention of the person called. The same implication is attached to telephone calls made after 11:00 . at night. If someone receives a call during sleeping hours, he assumes it’s an urgency of life or death. The time chosen for the call municates its importance. Time plays a very important role in our social life as you can imagine. In the USA an invitation should be sent to the guests in advance because guests usually believe that they are not highly regarded if the invitation to a dinner party is extended only three or four days before the party date. But it is not always necessarily true of the case