Question

No air means death. There is air around us1we can’t see it. Air is everywhere and it gives2to every living thing. We can’t live3it. Bad air makes people ill. We must have fresh air to keep us4.
In the city there are a lot of people and there are too many5running on the road. The gas which the car sends out is made up of(组成) bad gases. Every day we6it in and out. This makes us feel sick. There are many7, too. From the chimneys(烟囱) of these factories, we8get the smoke in black color. This kind of smoke is9to our health. So in order to keep us healthy, we have to go out to the10to breathe more fresh air. Or we can go up hills to get more fresh air.

1. 1.
   1. A.
      because
   2. B.
      though
   3. C.
      so
2. 2.
   1. A.
      life
   2. B.
      name
   3. C.
      pleasure
3. 3.
   1. A.
      with
   2. B.
      without
   3. C.
      below
4. 4.
   1. A.
      quiet
   2. B.
      tall
   3. C.
      healthy
5. 5.
   1. A.
      dogs
   2. B.
      trains
   3. C.
      cars
6. 6.
   1. A.
      breathe
   2. B.
      draw
   3. C.
      bring
7. 7.
   1. A.
      animals
   2. B.
      people
   3. C.
      factories
8. 8.
   1. A.
      usually
   2. B.
      never
   3. C.
      seldom
9. 9.
   1. A.
      helpful
   2. B.
      dangerous
   3. C.
      necessary
10. 10.
    1. A.
       office
    2. B.
       city
    3. C.
       Countryside

Answer 1

BABCC ACABC
1.此题考查连词，尽管，用though表示
2.此题考查名词，give life表示给于生命。
3.此题考查介词，表示没有故用without。
4.此题考查形容词，根据语境可知keep sb +adj表示让某人保持某种状态，由上文可知选择healthy.
5.此题考查名词，在公路上奔跑的是汽车，故用cars 
6.此题考查动词，breathe it in and breathe out表示吸进去然后呼出来。
7.此题考查名词，根据下文可知说的是工厂。故用factories。
8.此题考查副词，表示经常的，用always。
9.此题考查固定短语be dangerous to sb表示对某人有危险。
10.此题考查名词，表示乡村故用countryside。