22、
A.It suggests the polarization of the allotment of the social resources on the plane.
B.More and more space and amenities are given to first-class passengers.
C.Less space and fewer amenities are provided to coach passengers.
D.The society is getting more and more balanced in wealth distribution.
23、听音频，回答下列问题
A.A freshmen and the chairman of a student union.
B.A newcomer of a company and a personnel in charge of human resources.
C.A boss and a prospective client.
D.The managers of two business partners.
24、
A.She should bring them to one who is wanted.
B.She should suggest the visitor to change the schedule.
C.She should offer them coffee or tea and keep them waiting until he or she comes back.
D.She should ask them to send fax later.
25、
A.Because sometimes e-mail system is not reliable.
B.Because it is still a method of communication for the company and its customers.
C.Because not everything can be clarified on the phone.
D.Because it is the major means of communication for the company and its customers.
26、
A.8 hours.
B.7 hours.
C.9 hours.
D.10 hours.
27、听音频，回答下列问题
A.The bike enthusiasts want to change the city's culture.
B.The bike enthusiasts want to change people's health.
C.The bike enthusiasts want to change citizen's living habits.
D.The bike enthusiasts want to change the city's car congestion transportation.
28、
A.Because he is the member of bicycle enthusiasts.
B.Because he just likes riding the bike.
C.Because he likes the fact that it simplifies a lot of the aspects of travel.
D.Because he cannot afford the car.
29、
A.That the participants are growing makes L.A, Bike Trains unique.
B.That the length of the route ranges from 7 to 32km makes L.A. Bike Trains unique.
C.The profound meaning makes L.A. Bike Trains unique.
D.Its early launch time makes L.A. Bike Trains unique.
30、听音频，回答下列问题
A. In order to save energy.
B. In order to protect the weak and old ones.
C. In order to show beautiful shape of them.
D. In order to keep teamwork spirit.
31、
A.The.birds can fly upward to the air.
B.The birds are able to use the upward airstream.
C.The birds can create airstream using their wingtips.
D.The birds more rely on the front leading birds.
32、
A.To study how the birds decide the order of the flock.
B.To study how the birds decide the route of the flock.
C.To study how the birds decide the time of flying of the block.
D.To study how the birds decide who takes charge of the flock.
33、听音频，回答下列问题
A. Today, about 14 percent are smokers.
B. Today, about 80 percent are smokers.
C. Today, about 18 percent are smokers.
D. Today,. about 40 percent are smokers.
34、
A.Cigarette smoking still kills 443,000 Americans every year.
B.Cigarette smoking still kills less than 443,000 Americans every year.
C.Cigarette smoking still kills approximately 443,000 Americans every year.
D.Cigarette smoking still kills over 443,000 Americans every year.
35、
A.Growing tobacco.
B.Using tobacco and selling to individuals under the age of 18.
C.Individuals under the age of 18 buying tobacco.
D.Using tobacco.
36、
A.They may free from punishment for lighting up a cigarette.
B.They can enjoy themselves by lighting up a cigarette.
C.They may get a lesson for lighting up a cigarette.
D.They may receive a fine for lighting up a cigarette.