An American researcher has developed a simple device to help people stop snoring．The device limits the movements of the tissues（組織）that cause the unpopular sound．Snoring is a common problem．It may prevent a person from getting enough sleep．It may also prevent enough oxygen from reaching heart and lungs dating sleep．But for most people，snoring affects relations with another person who must sleep in the back room．

Snoring happens when the sleeping person breathes with the mouth open．In the back of the mouth the tissues surrounding the entrance of the throat are soft．As the person breathes，the movement of the air around the soft tissues causes them to move or vibrate（顫動）．This tissue movement causes the sound we call snoring．A number of possible solutions have been proposed．Some devices keep the mouth shut．They force the patient to breathe only through the nose．A medical operation is also possible．Other devices catch the sound of snoring and then wake the patient．The new anti-snoring device was developed by a dentist，George Wagner of the Indian University School of Dentistry．He developed a piece of plastic that fits up against the inside of the mouth．The device keeps the soft tissues from vibrating and making the snoring noise．It is worn only at night．Doctor Wagner said that the simple device has ended several patients' snoring problem in a simple way．

1．The underlined word “snoring”（in paragraph 1）probably means _________．

A．speaking while one sleeps                         B．dreaming while on sleeps

C．noises made while one sleeps                             D．sighs given while one sleeps

2．Snoring happens _________．

A．when dreaming at night，even during the day

B．when breathing with one's mouth closed

C．when sleeping with one's mouth open

D．when being poor in health

3．From the passage we know that the simplest and more efficient way to prevent a person from snoring is _________．

A．to keep the soft tissues from vibrating

B．to give the patient a medical operation

C．to wake him／her up as soon as he／she snores

D．to make him／her listen to the sound of snoring

4．How many possible solutions to snoring have been proposed in the passage?

A．Two                    B．Three                         C．Four                      D．Five

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假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文．文中共有10處語言錯誤，每句中最多有兩處．錯誤涉及一個單詞的增加、刪除或修改．

增加：在缺詞處加一個漏字符號(∧)，并在其下面寫出該加的詞．

刪除：把多余的詞用斜線(\)劃掉．

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刪除:把多余的詞用斜線(\)劃掉。
修改:在錯的詞下劃一橫線,并在該詞下面寫出修改后的詞。
注意:1.每處錯誤及其修改均僅限一詞;
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