先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。(每小题1分)

先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。(每小题1分)

    Villagers are healthier than people who live in towns. One reason for this is that country air is 1.  than the air in smoky   2. . The villager is   3.  fresh clean air all day in the fields, but the air the townsman breath is always full of smoke and dust. We cannot live without air. If we are   4.  from breathing even for five minutes, we will die. Bad air means bad health and certain kinds of   5. , which may kill us,   6.  they may not kill us at once.

We all know   7.  feelings we will get if we stay a long time in a shut, crowded room. After a time, we begin to feel very    8.  , and can hardly keep our eyes open. Then our heads begin to ache, and the longer we stay the   9.  we feel. How nice it is when we get outside into the fresh air! We must, therefore, keep   10.  windows open, so that air in our rooms is always fresh.

先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。(每小题1分)

    Villagers are healthier than people who live in towns. One reason for this is that country air is

   56   than the air in smoky   57  . The villager is   58   fresh clean air all day in the fields, but the air the townsman breath is always full of smoke and dust. We cannot live without air. If we are   59   from breathing even for five minutes, we will die. Bad air means bad health and certain kinds of   60  , which may kill us,   61   they may not kill us at once.

    We all know   62   feelings we will get if we stay a long time in a shut, crowded room. After a time, we begin to feel very    63   , and can hardly keep our eyes open. Then our heads begin to ache, and the longer we stay the   64   we feel. How nice it is when we get outside into the fresh air! We must, therefore, keep   65   windows open, so that air in our rooms is always fresh.

56. _______  57. _______  58. _______  59. _______  60. _______

61. _______  62. _______  63. _______  64. _______  65. _______