________ human behavior may be caused by eating substances that upset the delicate chenfical balance in the brain.
A. Deliberate
B. Consistent
C. Primitive
D. Abnormal
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Which of the following statements is true according to the text
A. Doctors will be held guilty if they risk their patients’ death.
B. Modem medicine has assisted terminally ill patients in painless recovery.
C. The Court ruled that high-dosage pain-relieving medication can be prescribed.
D. A doctor's medication is no longer justified by his intentions.
A good newspaper offers "a variety” to readers because ______.
A. it tries to serve different readers
B. it has to cover things that happen in a certain locality
C. readers are difficult to please
D. readers like to read different newspapers
His career was not noticeably ________ by the fact that he had never been to college.
A. prevented
B. restrained
C. hindered
D. refrained
We are ________ faced with the necessity to recognize that having more people implies a lower standard of living.
A. readily
B. smoothly
C. inevitably
D. deliberately
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