听力原文：不好意思，您昨天给我打电话时我正在开车，没法接，回家又忘了回电话。
问：说话人主要想表达什么意思？
(15)
A. 怎样去他家
B. 昨天回家很晚
C. 为什么没接电话
D. 今天准备开车回家
查看答案
【C11】
A. because
B. and
C. after
D. but
It is the obligation of television business to______.
A. cater to the nation's whims
B. provide best programs in prime evening free
C. broadcast news programs, at six in the morning
D. serve the nation's needs all the time
【C15】
A. destined
B. dedicated
C. tended
D. obliged
Blacks are not making progress at the expense of whites, according to the author, because______.
A. what white give up is only unfair advantage
B. there are 49 percent more white in medical school today already
C. whites, the majority in the U. S. , will never discriminate against themselves
D. there are 64 percent more whites in law schools today
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