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2. Proper circulation of fresh air and light in a house is called .
a. sanitation b. ventilation c. blockage d. sewage
3. Green plants clean the air by releasing gas.
a. oxygen b. carbon dioxide
c. nitrogen d. ozone
4. Sunlight in the house .
a. produces waste b. disposes waste
c. kills germs d. none of these
5. Proper drainage and disposal of waste from the house .
a. ventilation b. sanitation c. sewage d. blockage
II. Fill in the blanks.
1. Traditional houses had high for better air circulation.
2. houses have many rooms.
3. A house should have plenty of doors and .
4. The inside the house makes it bright and joyful.
5. There is a lot of in our house.
III. Write T for true and F for false statements.
1. Modern houses are built with expensive materials.
2. Houses in villages and towns are the same in size, shape and material.
3. Houses in villages are stronger and more durable than houses in cities.
4. We need to have large doors for disabled persons in the house.
5. We should have enough lighting in the house to prevent falls and other
accidents.
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