How many possible solutions to snoring have been proposed in the passage? A. Two B. Three ——青夏教育精英家教网—

摘要： How many possible solutions to snoring have been proposed in the passage? A. Two B. Three C. Four D. Five D Welcome to the National MaritimeMuseum The National Maritime Museum is the largest of its kind in the world, with over two million items in its collections. Twenty galleries display some of the finest sea affairs in historic buildings, which were formerly a school for the sons of seamen. Opening times 10:00 – 17:00 Winter hours 10:00 – 18:00 Summer hours Last admission is thirty minutes before closing. Smoking is not allowed in the museum. Eating and drinking are only allowed in the designatedareas. Photography and video are not permitted inside the building. Bookings Our Central Booking Group handles all group visit enquiries.from schools, group organizers and tour operators. Education and Interpretation Schools’ programs operate in term-time. Programs of talks, tours, work-shops, storytelling, living history and interpretationare run throughout the year, especially at weekends and during school holidays. E - library Facilities are provided for electronic accessto the museum’s collections. Please ask a member of stafffor directions to the nearest terminals. These facilities are also available from the comfort of your own home.

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An American researcher has developed a simple device to help people stop snoring．The device limits the movements of the tissues（组织）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（颤动）．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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