12、
A.He should often warm his knees up by using hot water pads.
B.He should warm himself up by sitting by the stove.
C.He should drink cold water.
D.He should often take cold baths.
13、听音频，回答下列13-37题
A.All students pay the same amount per year.
B.Students choose how many meals a week they will pay for.
C.Students get money back for meals they don't eat.
D.Some students get free meals.
14、
A.When they get the meal.
B.At the beginning of the week.
C.At the beginning of the year.
D.At the end of the year.
15、
A.They can invite guests to meals at a reduced price.
B.They receive cards that allow them to be served first.
C.They can help decide what will be on the menu.
D.They pay less per meal than those who eat there only part of the time.
16、
A.By paying for meals one at a time.
B.By borrowing a student's meal card.
C.By ordering their meals in advance.
D.By buying a weekend meal card.
17、听音频，回答下列17-41题
A.The workers on the underground platforms were replaced by machines.
B.It became the first completely automatic railway in the world.
C.A completely automatic line was added to its network.
D.Its trains became computer-controlled.
18、
A.A platform worker.
B.The command spot.
C.A computer.
D.A machine.
19、
A.To drive the train after it is started automatically.
B.To start the train and to drive it when necessary.
C.To take care of the passengers on the train.
D.To send commanding signals to the command spot.
20、
A.It will stop automatically.
B.It will move on at the same speed.
C.It will gradually slow down.
D.It will keep a safe distance from other trains.
21、听音频，回答下列21-45题
A.Your accomplishments.
B.Your hobbies.
C.Your family members.
D.Your appearance.
22、
A.In some large community.
B.In most colleges or high schools.
C.In the companies that offer jobs.
D.In school libraries.
23、
A.It may have a lot of fun.
B.It's a good opportunity for people to know the society.
C.It's one of the most difficult jobs.
D.It's a challenge for people's ability.
24、听音频，回答下列24-48题
A.Kings and queens, princes and princesses, and lords and ladies built castles in order to get more land.
B.Around the outside of a castle, a moat was dug, which was often filled with water.
C.A castle was built behind a thick and high stonewall, which was strong enough to stand the possible attack of enemies.
D.If a drawbridge was pulled up, there was no way for people to enter the castle.
25、
A.They lived a luxurious life and their diet was very delicate.
B.They lived a highly civilized court life.
C.They lived a primitive life and their table manner was often rude.
D.They lived a comparatively luxurious but not so civilized life.
26、
A.Castles' structure and the eating habit in them.
B.Castles' structure and the people who lived in them.
C.Castles' structure and the life in thegn.
D.Why people built castles and their structure.