Swinefluisasicknessc  67   byavirusthatmainlygetsintoth...

问题详情：

Swine flu is a sickness c   67    by a virus that mainly gets into the body of pigs. However, sometimes the virus can sicken h   68  _. That is what has h   69 __  in Mexico in the last few weeks.

The virus is b  70    to have sickened at least two thousand people there. The sickness has s   71    to at least seven countries and is suspected in others. The United States has more than forty-eight confirmed c   72    in five states. But, no one has d   73    from swine flu in this country. The American government is a   74    people not to travel to Mexico.

There are simple ways to help p   75    spreading the virus. C   76    your mouth when you cough or sneeze. Wash your hands completely and often. Don’t contact with people who a   77    to be sick.

Also, get enough good food and rest. Your body’s natural defence (防御) system needs to be at its strongest to protect you a   78 __  disease.   

                                       -- From VOA, April 28th, 2009

【回答】

67. caused        68. humans   69. happened      70. believed  71. spread    72. cases

73. died               74. advising  75. prevent   76. Cover    77. appear    78. against 

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