第二节：完形填空(共20小题；每小题1分，满分20分)
阅读下面短文，掌握其大意，然后从21-40各题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题纸上将该选项标号涂黑。
Wise buying is a positive way in which you can make your money go further. The   21   you go about purchasing an article or a service can actually   22   you money or can add   23    the cost.
Take the   24   example of a hairdryer. If you are buying a hairdryer, you might   25   that you are making the   26  buy if you choose one   27  look you like and which is also the cheapest   28   price. But when you get it home you may find that it   29  twice as long as a more expensive   30   to dry your hair. The cost of the electricity plus the cost of your time could well   31  your hairdryer the most expensive one of all.
So what principles should you   32  when you go out shopping?
If you   33  your home, your car or any valuable   34  in excellent condition, you’ll be saving money in the long   35  .
Before you buy a new   36  , talk to someone who owns one. If you can, use it or borrow it to check it suits your particular   37  .
Before you buy an expensive   38  , or a service, do check the price and   39   is on offer. If possible, choose   40  three items or three estimates.
21.   A. form                     B. fashion                   C. way                    D. method
22.   A. save                      B. preserve                 C. raise                   D. obtain
23.   A. up                        B. to                          C. in                       D. on
24.   A. easy                      B. single                     C. simple                 D. similar
25.   A. convince               B. accept                    C. examine              D. think
26.   A. proper                  B. best                       C. reasonable           D. most
27.   A. its                        B. which                    C. whose                 D. what
28.   A. for                       B. with                       C. in                       D. on
29.   A. spends                  B. takes                      C. lasts                    D. consumes
30.   A. mode                    B. copy                      C. sample                D. model
31.   A. cause                    B. make                     C. leave                   D. prove
32.   A. adopt                    B. lay                         C. stick                   D. adapt
33.   A. reserve                  B. decorate                 C. store                   D. keep
34.   A. products                B. possession              C. material              D. ownership
35.   A. run                       B. interval                  C. period                 D. time
36.   A. appliance              B. equipment              C. utility                 D. facility
37.   A. function                B. purpose                  C. goal                    D. task
38.   A. component            B. element                  C. item                    D. particle
39.   A. what                     B. which                    C. that                     D. this
40.   A. of                         B. in                          C. by                      D. from