The statement "greenhouse worlds" (Line 7, Para. 3) most probably means ______ .
A. the world with greenhouse effect
B. the world with rich natural resource
C. the world without water
D. the world without plants
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The expression of "houses are still being erected...around Vesuvius" is used to show ______ .
A. human beings want to remember Pliny the Younger in this way
B. human beings are optimistic to deal with the possible further eruptions
C. human beings believe further eruptions won't happen to themselves
D. human beings are well prepared for the possible further eruptions
To which of the following statements would the author most likely agree？
A. The natural disaster may happen but not now and not to us.
B. The natural disaster is a punishment we deserve from gods.
C. It is our responsibility to protect our world and ourselves.
D. It's miserable to live in such a world with plenty of disasters.
We can infer from Mary's story that ______ .
A. the surgeon offered someone else's medicine to Mary by mistake
B. teenagers are vulnerable to drug abusing due to their curiosity
C. the prescription drugs abusing will develop faster in the future
D. parents play a positive role in preventing children's drug abusing
What's the "another kind of disaster" (Line , Para. 3)？
A. The disaster caused by some creeping plate.
B. The disaster caused by the wrath of the gods.
C. The disaster caused by the over population.
D. The disaster caused by our willing blindness.
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