【正文】
the accident ( )3. Background music was started in factories_______. A. in the 195039。s B. because workers there all liked music very much C. during World War II ( )4. The eating time for each hamburger customer is _______minutes less than before. A. 5 B. 7 C. 17 ( )5. What can we learn from the passage? A. We can only hear background mu sic in some public places of foreign countries. B. The Xerox Corporation in Rochester, N. Y, spend$800 thousand a year for background music. C. Prison warders and farmers also use background music. 參考答案: 一、 1. A 2. B 3. B 4. B 5. C 二、 1. more than 2. two of the most 3. not only。 but also 4. gave concerts 5. What sort/ kind of 6. in addition to 三、 1. A 2. A 3. C 4. A