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Around the world，people have different ideas about what good mariners are．

When you go to restaurants in different parts of the world，it's __1__ to know the right and wrong things to do．For example，in China it's OK to  __2__ a lot of noise in a restaurant．In fact，if a restaurant isn't noisy and __3__ you may think there's something __4__ with it．However，in many western countries．restaurants ate __5__ places．If a table is too loud，other people who are eating there might even __6__ to the owner of the restaurant．

Paying the bill is also different from country to country In China，one person usually pays for __7__．In western countries，one person pays if he or she is entertaining clients（招待當事人，顧客），but __8__ friends eat together，they usually __9__ the cost．This is called “going Dutch”（均攤費用）．Also，when westerners pay the bill，they usually leave some money for the __10__．This is called “leaving a tip” ．Leaving a tip is thought to be __11__．In the US，it's __12__ Jo leave tips 10%，15%，or 20% of the bill，which is decided __13__ how good the service is．Good waiters can make a lot of money!

The way people eat food is __14__ in the world，but you can __15__ the same kind of food in many countries．Chinese and Italian food，for example，are popular all over the world．

1．A．popular                  B．difficult                C．important               D．enjoyable

2．A．cause                    B．keep                    C．hear                       D．make

3．A．lively                     B．friendly                C．lucky                     D．polite

4．A．right                      B．wrong                 C．important               D．polite

5．A．noisy                     B．quiet                    C．busy                      D．clean

6．A．shout                    B．explain                 C．complain                D．speak

7．A．everybody               B．nobody                C．somebody              D．none

8．A．until                      B．when                   C．unless                    D．since

9．A．share                     B．take                     C．Pay                       D．have

10．A．gatekeeper             B．seller                   C．waiter                    D．visitor

11．A．impolite               B．polite                   C．wrong                   D．forgetful

12．A．terrible                 B．common              C．serious                   D．unusual

13．A．to                        B．for                      C．with                             D．by

14．A．same                   B．difficult                C．different                 D．delicious

15．A．invent                  B．discover               C．prefer                    D．find