题目内容：

Checks have largely taken the place of money as a means of    36   , for they are widely accepted everywhere.   37    this is very   38    for both buyer and seller, it should not be forgotten that checks are not real money: they are quite   39   in themselves. A shop-keeper runs a certain  40  when he accepts a check and he is quite   41   his rights if, on occasion, he   42   to do so. People do not always know this and are   43    if their good faith is called in question. A wealthy friend of mine told me he had an extremely   44   experience.

One day he decided to buy a particularly fine pearl necklace at a famous jewelry shop which keeps a large__45  of precious stones and asked if he could pay   46   check, the assistant said that this was quite  47  . But the moment my friend signed his name, he was invited into the manager’s office. The manager was very polite, but he explained that someone   48   exactly the same name had presented them with a worthless check not long ago. My friend got very angry at it and said he would buy a necklace   49  . When he got up to go, the manager told him that the police would arrive at any moment and he had better stay   50   he wanted to get into serious trouble. Sure enough the police arrived, __51 to my friend for the   52  ,  but explained that a person who had used the same name as his  53   for a number of recent robberies. Then the police asked my friend to    54    out a note which had been used by the thief in a number of shops. The note read, “I have a gun in my pocket, ask no questions and give all the money in the safe.” Fortunately, my friend’s handwriting was quite__55__ the thief’s. He was not only allowed to go without further delay, but to take the pearl necklace with him.

1.A. change              B. exchange                     C. trade                              D. business 

2.A. Because                      B. If                                    C. Though                    D. Since

3.A. favourite             B. popular                        C. profitable                        D. convenient

4.A. dangerous                  B. priceless                      C. unimportant                   D. valueless

5.A. chance                        B. risk                                C. opportunity       D. danger

6.A. within                            B. out of                    C. without              D. beyond

7.A. refuses                        B. agrees                          C. fails                                  D. hates

8.A. unhappy            B. ashamed                      C. shocked                      D. puzzled

9.A. uninteresting    B. unreasonable             C. unforgettable                 D. unpleasant

10.A. amount                     B. accident                       C. stock                                D. number

11.A. in                                B. by                                  C. with                             D. on

12.A. in need             B. in common                  C. in use                     D. in order

13.A. used                          B. with                              C. named                             D. by

14.A. anywhere                 B. somewhere                 C. somewhere else            D. everywhere

15.A. unless                        B. otherwise           C. if                              D. whether

16.A. coming              B. sticking                        C. apologizing            D. checking

17.A. manner             B. behavior                      C. inconvenience               D. treatment

18.A. responsible              B. answered                    C. charged                          D. blamed

19.A. copy                          B. read                              C. take                                  D. bring

20.A. unlike                        B. different                      C. dissimilar                         D. dislike