同等学力英语一日一练（七）

e way to recapture world markets. Note，also，how auto manufacturers once changed styles dramatically from year to year to keep demand from falling.
 
6. According to the passage，when people grow fond of one particular brand of a product，its sales will ___.
 
A. decrease gradually  B. become unstable  C. improve enormously  D. remain at the same level
 
7. The first paragraph tells us that a new product is＿.
 
A. usually introduced to satisfy different tastes  B. often more expensive than old ones
C. often inferior to old ones at first D. not easily accepted by the public
 
8. Marketers need to know which of the four stages a product is in so as to    .
 
A. work out marketing policies            B. increase its popularity  C. promote its production                 D. speed up its life cycle
 
9. The author mentions the example of “backpacks” （Line 5，Para. 2） to show the importance of     .
 
A. increasing; usage among students   B. exploring new market sections 
C. pleasing the young as well as the old   D. serving both military and civil needs
 
10. In order to recover their share of the world market，U. S.  auto makers are    .
 
A. improving; product