单项选择题A.They are more likely to damage the cave.B.It’s hard for them to stay awake.C.They tend to break their equipment.D.They may imagine seeing things that aren’t really there.
单项选择题A.Music they like can relieve depression but distract attention.B.Music they like can reduce stress and improve concentration.C.Classical music and rock-and-roll increases their heart rate and expands the breathing.D.Wearing headphones can help concentrate when they are performing operations.
单项选择题A.Take the job offer.B.Try another job.C.Bargain a bit better.D.Concentrate on her studies.
单项选择题A.Repeat it aloud.B.Write it down.C.Make a mental picture of it.D.Practice recalling it.
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填空题S6
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单项选择题A.To replace physical therapy.B.To control brain seizures.C.To prevent heart disease.D.To relieve tension.
单项选择题A.It’s easy to locate.’B.It’s in a very windy area.C.It’s exceptionally beautiful.D.It’s partially covered by water.