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In the USA, children start school when they are five years old. In some states(州) they must stay in school  46  they are 16. But most students are 17 or 19 years old when they  47  secondary schools（中學(xué)）. There are two kinds of schools in the USA: public schools and private schools.   48  children go to public schools. Their parents don’t have to  49  their education because the schools get  50  from the government. If a child goes to a private school, his parents have to get enough money for his schooling. Some parents  51  like private schools though they are much more expensive.

Today about half of the high school students  52  in universities after they finish secondary schools. A student at a state university doesn’t have to pay very much  53  his parents live in that state.

Many students  54  while they are studying at universities. In this way they get into 55 working habits and live by their own hands.

45. The boy was too busy        his father last term.

       A. to hear from             B. to write to           C. hearing from              D. writing to

通讀下面短文，掌握其大意。然后在各小題所給的四個選項中，選出一個最佳答案，將答案填寫在答題卡上對應(yīng)位置或?qū)⒋痤}卡上題目所選的選項涂黑。

44. Have a drink please. You        be thirsty after running so long.

       A. must                        B. can                     C. need                            D. mustn't

43. The child likes junk food very much. He        to eat something else.

       A. used                        B. refuses                C. behaves                       D. likes

42. The summer holiday is coming. Three      the students in our school will go to the beach.

       A. hundred                  B. hundred of          C. hundreds           D. hundreds of

41. Please read every sentence     . The more      you are, the fewer mistakes you’ll make.

       A. carefully; carefully  B. careful; careful   C. carefully; careful      D. careful; carefully

40. ― I’m sorry for being late. I wanted to be here earlier, but the traffic was too heavy.

   ―       .

       A. Glad to hear that.      B. That’s right.       C. Thank you all the time.   D. Never mind.

39. ――        is the cartoon shown on the TV, do you know?

――Every week.

       A. How often                B. How long                 C. How soon             D. How many times

38. Which sign would you probably see beside a low door?

       A. SOLD OUT              B. WET FLOOR          C. NO EXIT      D. MIND YOUR HEAD

37. People along the streets were all cheering when the Olympic torch passed        the city.

       A. through                    B. opposite                   C. over                         D. across