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Anxiety, though unavoidable, can be coped with.
Children’s anxiety has been enormously exaggerated.
Children’s anxiety can be eliminated with more parental care.
Anxiety if properly controlled, may help children become mature.
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Adds up to.
Does away with.
Lessens the effect of.
Lays the foundation for.
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pleasing the young as well as the old
increasing usage among students
exploring new market sections
serving both military and civil needs
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At a doctor’s office.
In a biology lab.
At a radio station.
In a lecture hall.
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It is not comfortable.
It is difficult to steer.
It cannot go long distances without recharging.
Its engine easily overheats.
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the sophisticated technology of focusing sounds under water
the capability of sound to travel at high speed
the unique property of layers of ocean water in transmitting sound
low-frequency sounds traveling across different layers of water
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第24题:
Don’t be too optimistic.
Don’t expect fast returns.
The oil drilling should be delayed.
Oil exploitation takes a long time.