Why do the American doctors think of using laser light to treat heart disease?
A.Beeause laser light is quite powerful.
B.Because laser light is penetrating.
C.Because laser light can destroy the blocking materials in human’s artery.
D.Because laser light can travel through the human body.
第1题:
Based on the laser operation treatment of three patients。what can we infer from the passage?
A.Laser light treatment is safe and effective.
B.Laser light treatment is dangerous and ineffective
C.Laser light treatment still requires much more studies.
D.Government should encourage doctors to do research of laser light treatment on the human body.
第2题:
Charts should be corrected by using information published in the ______.
A.Light List
B.American Practical Navigator
C.Notice to Mariners
D.Coast Pilot
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However, doctors treat the symptoms with the cure for CFS.
Currently, doctors treat the symptoms because there is no cure for CFS.
But doctors know there is no cure and because of that they treat the symptoms.
Since there is no cure for CFS, doctors treat the symptoms without the cure.
When there are symptoms, doctors treat them without the cure for CFS.
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modem doctors should treat their patients as machines
the level of the treatment was greatly improved
they thought they were useless just like broken machines
they were not satisfied with the manner in which doctors treated them
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What’S the main idea of the passage7
A.Laser light treatment of heart disease should take the place of the traditional operatlon.
B.Laser light treatment has been proved better and more effective than the traditional operation.
C.More advanced technology should be encouraged to try on.
D.Laser light treatment of heart disease still needs’more research.
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to sleep with a bright light on
to plan sleep patterns carefully
to avoid being disturbed at work
to sleep for a long time after work
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