12、
A.By May 29th.
B.By June 29th.
C.By July 29th.
D.By April 29th.
13、听音频，回答下列13-37题
A.Video and online game.
B.Hazards of a high-tech society.
C.Relationships on campus.
D.Internet addiction.
14、
A.Because they lack self-discipline in their studies.
B.Because they spend too much time on the Internet.
C.Because they have not exerted their utmost efforts.
D.Because they have developed poor relationships with teachers.
15、
A.The impulse to go online begins to affect other areas of life.
B.One begins to feel anxious or depressed or lonely if online.
C.One isn't looking forward to being connected with other people online.
D.One is likely to be violent or crazy or aggressive if not online.
16、
A.To have some sort of balance in life.
B.To keep off the Internet completely.
C.To develop some sort of healthy recreation.
D.To have a face-to-face talk with a psychiatrist.
17、听音频，回答下列17-41题
A.Diamond-producing rivers are located far away the mountain side.
B.Diamonds can be formed without volcano heat and pressure.
C.Volcano explosions brought some diamonds up to the earth surface.
D.Explosions of the volcano can damage diamonds as well.
18、
A.In the volcanoes.
B.On the floor of the sea.
C.Under the river bed.
D.At the foot of the mountain.
19、
A.How Diamond is Formed and Found.
B.Diamond--A Precious Stone.
C.Diamond Hunting.
D.Diamond--Producing Countries.
20、听音频，回答下列20-44题
A.How people fall ill.
B.The influence of people's emotions on their health.
C.A new method to cure breast cancer.
D.Several ways to keep fit.
21、
A.Because he was of ill health.
B.Because he was in a bad mood.
C.Because his wife abandoned him.
D.Because his immune system was not strong enough.
22、
A.Those who like talking about cheerful things live longer.
B.Those who avoid talking about cheerful things die sooner.
C.Those who like talking about their disease live longer.
D.Those who avoid talking about their illness live longer.
23、听音频，回答下列23-47题
A.Selling home furnishing.
B.Renting furnished apartment.
C.Selling used furniture.
D.Renting home furnishing.
24、
A.Because the furniture they get in this way is better in quality.
B.Because it saves them a lot of money.
C.Because it saves them much trouble and money.
D.Because they can get better quality furniture in this way.
25、
A.The idea of renting furniture is not acceptable.
B.Renting furniture is not popular in the couple's home town.
C.Only those who don't have enough money want to rent furniture.
D.People usually grow to like the furniture they have rented.
26、
A.Rent or Buy?
B.A New Way of Getting Home Furnishing.
C.Furnished Apartment.
D.A New Idea.