In computer matchmaking, initially students do not reveal their ______.
A. personalities
B. identities
C. habits
D. hobbies
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The author's attitude towards spinal fusion is probably ______.
A. supportive
B. undecided
C. critical
D. mixed
We can conclude from the passage that OnStar is ______.
A. too complicated to use especially for new drivers
B. not as useful and effective as the company claims
C. popularly used among more expensive ears
D. not widely used in the country except in a few states
Which of the following statements on the treatment of back pain is true？
A. Spinal fusion provides a better cure than other treatments.
B. Spinal fusion is no good to patients suffering from back pains.
C. There is limited evidence as to which treatment is better.
Doctors have great confidence in the benefits of spinal fusion.
It is implied that doctors ______.
A. tend to choose the treatment that is considered the best for patients
B. have put financial interests ahead of patients in considerable cases
C. are likely to favor more complicated treatment to improve skills
D. wish to change the current system of how they get paid for their work
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