The investigations mentioned above were carried out in America; condition most helpful to spending appears to be price stability. If prices have been stable and people consider that they are reasonable, they are likely to buy. Thus, it appears that the common business policy of maintaining stable prices is based on a correct understanding of consumer psychology(心理学)。 

16. According to the passage, if one wants to predict the way spend their money, he should _______ 
A. rely on traditional assumptions about earning and spending 
B. try to encourage or discourage consumers to spend money 
C. carry out investigations on consumer behavior and get data on consumers incomes and money spending motives 
D. do researches in consumer psychology in a laboratory. 

17. According to paragraph 2, one traditional assumption is that people with ________ incomes borrow most. 
A. average        B. stable 
C. decreasing      D. rising 

18.According to paragraph 2, research surveys have proved that _________ 
A. price increases always stimulate people to hasten to buy things 
B. rising prices may make people put off their purchase of certain things 
C. women are more sensitive to the rising in prices than men 
D. the expectations of price increases often make buyers feel angry. 

19. From the results of the surveys, the writer of this article _________ 
A. concludes that the saving and spending patterns in Great Britain are better than those in America 
B. concludes that the consumers always expect prices to remain stable 
C. concludes that maintaining stable prices is a correct business policy 
D. does not draw any conclusion 

20. Which of the following statements is always TRUE according to the surveys mentioned in the passage? 
A. Consumers will put off buying things if they expect prices to decrease.  
B. Consumers will spend their money quickly if they expect prices to increase 
C. The price condition has an influence on consumer behavior  
D. Traditional assumptions about earning and spending are reliable. 

Part II Vocabulary and Structure 

21. How long do you think ________ to finish this urgent task? 
A. did it take you   B. it will take you  
C. will it take you   D. it to take you 

22. Wealth, education and occupation vary greatly ________ members of the middle class. 
A. among   B. between    
C. from   D. inside 

23. Let’s buy our tickets while I still have _________ 
A. a little money to leave   B. little money left 
C. a few dollars left        D. few dollars to leave 

24. ________ was not the way the event happened. 
A. Which the press reported      B. That the press reported