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When you feel a sneeze（喷嚏）or cough coming on, covering your mouth prevents the spread of germs（细菌）. You probably knew that.

But how to cover your mouth is very important. You might use tissues（纸巾）, and put your used tissues into the bin. “If you don't have tissues, you should sneeze into your elbow, not your hand, even if you are used to doing that.” The doctors advised.

“If somebody sneezes into his hands, those germs will be passed on to other people, or other objects that people touch.” said Dr. Hill.

Germs are most commonly spread by sneezing and coughing. When they land on your hands, they are passed from hands to things like bills, door knobs（扶手）, lift buttons and other surfaces. At the same time, the people around you can touch them.

“The suggestion was taken seriously about 10 years ago. However, most people didn't pay much attention to it. That means the adults may have missed the advice. But children are often taught in school the right way to cough or sneeze.” Dr. Benjamin said.

To be clear, people can't keep away from all the risks in this way, but it's the best choice. At the same time, we'd better wear masks （口罩）and often wash our hands. “Hand washing is one of the most important things people can do to keep healthy.” Dr. Hill said.

根据短文内容，选出最佳选项。
1．According to this passage, when sneezing or coughing, you'd better not ________.

A．sneeze into your elbow	B．cover your mouth with tissues
C．use your hand to cover your mouth	D．cover your mouth with your elbow

2．If you sneeze into hands, germs can spread through the following activities except ________.

A．using lift buttons

B．using door knobs

C．shaking hands

D．washing hands

3．Which is true according to the passage?

A．If you don't have tissues, you should sneeze into your hand.

B．The adult may be used to sneezing into their elbow.

C．Parents often teach their children the right way to cough or sneeze.

D．Wearing masks is a good way to keep away from germs.

4．What's the main purpose of this article?

A．To tell us the correct way to use tissues when sneezing or coughing.

B．To tell us some correct ways to prevent the spread of germs.

C．To tell us it's necessary to sneeze or cough into elbow.

D．To tell us how to keep away from all risks.

5．In which layout（版面）of the newspaper can we find this kind of passage?

A．Health.

B．Sports.

C．Business.

D．Education.