The causes of the over-use of medical examinatins are all of the following EXCEPT that
A. patients ask doctors to do more tests than necessary.
B. doctors want to make more money by using newer and more expensive technology.
C. doctors try to avoid being sued by their colleagues.
D. doctors want to prove to their patients they are competent.
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Which of the following best describes Gregory Rodriguez's reaction to the increasing use of Spanish？
A. Worried.
B. Calm.
C. Indifferent.
D. Surprised.
The expert suggests that graduates should not rely on the Internet because
A. it is not a good job searching strategy.
B. not all job vacancies are available on it.
C. grads cannot have a direct contact with employers.
D. many grads don't have access to the Internet.
What can parents do to help their children get a job？
A. To encourage them to be confident.
B. To support them financially.
C. To urge them to be dependent.
D. To keep an eye on their emotions.
What's the main idea of the first three paragrahs？
A. There are a lot of excessive services in American hospitals.
B. Doctors are over-loaded in American hospitals.
C. American hospitals are suffering great losses because of poor health conditions.
D. The health-care service in the American hospitals is systematic and patient-oriented.
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