What problem arose when Jean went back to work.'？
A. Jean got angry at Bill's idle life.
Bill failed to adapt to the new situation.
C. Bill blamed Jean for neglecting the family.
D. The children were not taken good care of.
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Oracle's advantage is that ______.
A. its share price is pretty high
B. it has more employees than Microsoft
C. it's the biggest western company.
D. its software is more Internet-friendly than Gates' Window
Unlike Bill Gates, Ellison ______.
A. comes from a strong family
B. has a poor father
C. does not spend much on charity
D. was born in California
How do people make decisions about risky situations？
A. By judging to what extent they can eliminate the risks.
By estimating the possible loss of lives and property.
C. By estimating the frequency of volcanic eruptions.
D. By judging the possible risks against the likely benefits.
What can we learn from the northern California earthquake in 1989？
A. There is still a long way to go before man can control natural disasters.
B. International cooperation can minimize the destructive force of natural disasters.
C. Technology can help reduce the damage natural disasters may cause.
D. Scientists can successfully predict earthquakes.
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