Ex 3: Read the text carefully, and choose the correct answer.

Many houses in Britain are old. Many of them are over one hundred years old. Often, they do not have enough insulation and the heat goes out through the windows, the doors and up the chimney.   Because of the climate, people in Britain have to spend a lot of money on heating. Many houses have a special system called "central heating". This heats all the rooms and, at the same time, heats the hot water. Houses without central heating often have gas, electric or coal fires. The rooms in most British houses are quite small. New houses are much better. They have two layers of glass in the windows to stop the heat going out.

1.Why do British people spend a lot of time at home?

A.Because the climate is not very good.       B.Because they don’t know where to go.

C.Because they want to stay at home.

2.The heat goes out of the houses through ___________.

A.the doors and up the chimney                      B.the windows and up the chimney

C.the windows, the doors and up the chimney

3.Because of ___________, people in Britain have to spend a lot of money on heating.

A.cold weather                   B.hot weather                   C.bad weather

4.Houses without central heating often have ___________.

A.only coal fires                  B.gas or coal fires               C.gas, electric or coal fires

5.New houses usually have ___________ in the windows to stop the heat going out.

A.one layer of glass              B.two layers of glass               C.three layers of glass