Questions 22 to 25 are based on the passage you have just heard.
A. Fourth year students are likely to get lower numbers.
B. Students have to share rooms with others in the same grade.
C. Through drawing a lot, one can only choose his roommate rather than dorm.
D. Most of the listeners can get their first or second choice.
(2005年)A、B两点之间并联了三根管道，则AB之间的水头损失hfAB等于( )。
A. hf1+hf2
B. hf2+hf3
C. hf1+hf2+hf3
D. hf1=hf2=hf3
Questions 12 to 15 are based on the conversation you have just heard.
A. Her car is badly damaged by the driver.
B. The driver is totally drunk and overspeed.
C. The drivers" behavior is beyond control.
D. He seems not to be focused enough.
Questions 22 to 25 are based on the passage you have just heard.
A. One of the dormitory buildings will be used as an office building.
B. No one is allowed to live off campus.
C. There will be more freshmen admitted this year.
D. The dorms on north campus will be closed for repair.
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