21. The NBA started using synthetic basketballs instead of leather ones because____.
A. they wanted every basketball to feel and bounce the same
B. NBA officials wanted a switch with which to start a reform
C. they emphasized that synthetic materials are manmade
D.NBA players had used the leather balls for too long a time

22.How did some NBA players respond to the switch to synthetic balls?
A. They felt much more comfortable with the synthetic balls .
B. They thought differently about the leather balls.
C. They felt that the new balls were worse than the leather ones.
D. They believed the new balls would soon be replaced.

23 Which of the following contributes to the better control of the balls?
A. Greater friction.                     B. More ownership
C. Stronger affection                 D. Fewer investigations.

24. When is it harder for an NBA player to hold onto a synthetic ball?
A. When the ball is dried with a towel.
B. When the ball is wetted by water.
C. When tests are done on the ball.
D. When sweating sticks to the ball.

25. In the last paragraph ,”that’s just the way the ball bounces” probably means_____.
A. tradition offers the best choice
B. the ball bounces ass best it can
C. the NBA made a mistake
D, the ball bounces perfectly

Questions 26-30 are based on the following listing:
 
26.The above listing is most probably___.
 A. an advertisement placed by an airline company
 B. a notice placed by an international air committee
 C. an information board provided by a travel agency
 D. a ticketing message provided by a hotline company
27. Which of the following airlines provides the lowest price to Hong Kong ?
 A. Atlantic Airline.      B. Cathay Pacific Airline.
 C. China Eastern Airline. D. Air New Zealand.
28.If you decide to take a flight to Hanoi, you might have to pay ___ altogether the flight.
A. ￡335     B. ￡670
C. ￡395     D. ￡430
29.Which of the following choices can help you fly to Beijing at the lowest cost?
 A.20 Aug 07-31 Dec 07 with Lufthansa.
 B.20 Aug 07-31 Aug 07 with China Eastern.
 C.20 Aug 07-13 Nov 07 with Singapore Airline.
 D.24 Mar 07-31 Mar 07 with Austrian Airline.
30. You can call 0207 484 8925 for more information about___.
 A. taxes and charges   B. tickets on other dates
 C. travel agencies   D. specially designed group tours