衛生類C級：完形填空Swine Flu in New York

　　The Centers for Disease Control and Prevention has confirmed cases of swine _______(51）in eight students at a New York preparatory(預科的) school， Mayor Michael Bloomberg said Sunday. The students have had only _______(52) symptoms and none have been hospitalized， he said. Some of the students have already recovered.

　　More than 100 students were absent from _______(53) due to flu-like symptoms last week.New York health officials tested samples for eight students Saturday and determined the students were probably _______(54) from swine flu， and the CDC confirmed the _______(55) on Sunday， Bloomberg said.

　　The announcement brings the _______(56) of confirmed swine flu cases in the United States to 20. Bloomberg said there is no _______(57) of a citywide outbreak(爆發) of the flu， and no sign of a potential outbreak of swine flu at _______(58) schools.

　　Some students at the school _______(59) spring break in Mexico， Bloomberg said， but authorities have not determined _______(60) any of the students with a confirmed case of swine flu was in Mexico. Someone who traveled to Mexico may not have had any flu symptoms but _______(61) on the flu to someone else， he noted.

　　Bloomberg called on students who are home sick to _______(62) home for 48 hours after their symptoms subside.

　　If symptoms are normal for a regular kind of flu， there is _______(63) need to go to a hospital， said Bloomberg. If symptoms become severe， as _______(64) any illness， people should go to the hospital， he said.

　　St. Francis， which has 2，700 students， announced it will remain closed for two days._______(65) whether the students illnesses have been minor because theyre young and healthy or because it is a minor strain of the virus， Frieden responded， "We dont know. "

　　51. A. fever B. cold C. sickness D. flu

　　52. A. severe B. mild C. physical D. typical

　　53. A. hospital B. school C. work D. home

　　54. A. recovering B. learning C. escaping D. suffering

　　55. A. choice B. treatment C. diagnosis D. doubt

　　56. A. number B. spread C. size D. amount

　　57. A. chance B. sign C. news D. hope

　　58. A. much B. other C. another D. few

　　59. A. traveled B. closed C. spent D. lasted

　　60. A. why B. whether C. how D. when

　　61. A. passed B. kept C. rolled D. swept

　　62. A. return B. stay C. leave D. go

　　63. A. no B. some C. any D. great