[单项选择]Why are mobile houses built
A. For convenience.
B. To lower the cost.
C. To obtain a loan from the bank more easily.
D. To accomodate all the workers of a factory.

[判断题]Mobile houses are built in order to lower the cost.

[填空题]Why was the Eiffel Tower built
It was built for ______.

[单项选择]Why is insulation required in new houses
A. To limit discussion on heating bills.
B. To prevent heat loss.
C. To determine the temperature in homes.
D. To convert homes to electric heat.

[单项选择]The new dome built in the center of town houses many new facilities, including a hotel with rooms that have a spectacular view of the stadium that is ______.
A. impress
B. impression
C. impressive
D. impressing

[单项选择]Why are the town houses rarely less expensive than semi-detached houses（　）.
A. Because they are usually built on expensive property.
B. Because they take too much space in cities.
C. Because they have larger room for price to go up.
D. Because they are built luxuriously and elegantly.

[填空题]Why have another six additional wings been built since 1975

[单项选择]Why were the statues built according to the most popular theory（　）
A. For religious reasons.
B. For archaeological experiments.
C. In memory of the Europeans’ arrival.

[单项选择]Why are mobile phones popular in China, according to the speaker（　）.
A. They are considered as fashionable items.
B. They keep people closer to each other.
C. They are more convenient to users than fixed phones.
D. They are considered time-saving devices.

[单项选择]Why are the prices of mobile telephone services lower in China’s eastern coastal region（　）
A. The average disposable income is lower in the region.
B. The GDP is higher in the region.
C. The costs of operators are lower due to a greater number of users of mobile phone services in the region.
D. The operators compete with each other in order to win over subscribers.

[判断题]Accepting houses buy houses for their clients and allow them to pay back the money over twenty-five years.

[填空题]
What will houses be like in thirty years’ time No one really knows, but architects are trying to predict (46) .
Future houses will have to be flexible. In thirty years’ time even more of us will be working at home. So we will have to be able to use areas of the house for work for part of the day and for living for the rest. Families grow and change with children arriving, growing up and leaving home. (47) , nothing will be as fixed as it is now. The house will always be changing to meet changing needs.
Everyone agrees that in thirty years’ time we will be living in "intelligent" houses. We will be able to talk to our kitchen machines and discuss with them what to do. Like this, "we’ll be having a party this weekend. What food shall we cook" (48) . We will be able to leave most of the cooking to the machines, just tasting things from time to time to check.
The house of the future will b