请阅读下面短文，选择最佳答案，将其标号在答题卡上涂黑。

Mary is only 12 years old but she doesn't live with her parents. Her parents live far away and she has to 46 after her little brother．

Mary is one of the “stay-home” 47 in her town．To 　48 money，these kids' parents go to big cities to look for jobs．Their children have to stay at home 　49 they have to go to school．

Every day，she 　50 up at 6：00 am．She cooks 　51 ．Then she goes to school with her brother．They have supper at 6：00 pm．Then she does her homework and helps her brother wash clothes．She usually goes to bed 　52 9：30 pm．

Mary is busy，but she is still a 　53 student in her class．“I think my life is OK．” Mary says．“ 54 I would like my parents 　55 with us．”

46. A. look　 　　 　　　　　　 B. watch　 　　　 　　　 C. see 　　　　　　　　　　　　 D. hear

47. A. child　 　　　　　 　　　 B. children　 　　　　　　 C. girl 　　　　　　　　　　　　 D. boy

48. A. take　 　　　　　　 　　　 B. have　 　　　　　 　　　 C. make 　　　　　　　 　　　 D. bring

49. A. because　 　　　　　　 　　　 B. so　 　　　　　　 　　　 C. or 　　　　　　　　　　　　 D. but

50. A. get　 　　　　　　 　　　　　　 B. gets　 　　　　　 　　　 C. begin 　　　　　　　 　　　 D. begins

51. A. breakfast　 　　　　　　 B. lunch　 　　　　　　 C. supper 　　　　　　　　　 D. dinner

52. A. for　 　　　　　　　　　　 　　　 B. in　 　　　　　　　 　　　 C. on 　　　　　　　　　　　　 D. at

53. A. tall　 　　　　　　　 　　　 B. short　 　　　　 　　　 C. good 　　　　　　　 　　　 D. bad

54. A. And　 　　　　　　　　　 B. But　 　　　　　 　　　 C. So 　　　　　　　　　　　　 D. Until

55. A. to take　 　　　　 　　　 B. take　 　　　　　 　　　 C. to live 　　　　　　　　　　 D. live

Is it hard for you to get up early and get ready for classes? Some students at Winter Park High School just quickly get up and go to class in their own bedrooms. Of course, their teachers and classmates do not see them because all their class work is on the computer.

The Florida High School, the state's only on-line school, has 250 students who are taking classes at home by computer.     

"I'm a lot more comfortable at home," says Luke Levesque, a 16-year-old who is taking a computer class on line. He thinks(A) the school's computer lab is so noisy that he can't study well. "Home is much better, "he says.    

Students in this first on-line program take classes in math, American government, chemistry, computer, and Web-page design. They also have to go to regular(正规的) school to attend other classes.    

When a student is ready to begin in class, he or she (B)______the computer reads the teacher's instructions, and begins working on the lesson for the day. What happens if a student has a question for the teacher? Or the teacher wants to say something about the work a student is doing? The student and the teacher talk to each other every day through e-mail or by telephone.     

Is it easy for students to cheat on tests(考试作弊) when they're working at home? (C) The teachers have already though about this. They make students take their final exams in person in the classroom．

“You see most of the same things On-line that you see in a regular classroom，”says teacher" Linda Hayes．

    If this first On—line program goes well，in three years Florida High School students will be able to take all their classes by computer．When that happens，students will be able to get their high school diplomas(毕业证书)without having to(D)走进教室．

1．在空白处填上适当的词成为A句的同义句。

the school’s computer lab is _______noisy for _______to study well．

2．在(B)的空白处填入一个适当的词语_______

3．将画线部分(C)译成汉语_______

    4．将画线部分(D)译成英语_______

    5．在正文中找出能够说明主题的短语_______