题目内容
（请给出正确答案）
Questions 1 to 3 are based on the passage you have just heard。
A.The importance of sleep to a healthy life。
B.Reasons for Americans’ decline in sleep。
C.Some tips to improve the quality of sleep。
D.Diseases associated with lack of sleep。
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更多“Questions 1 to 3 are based on …”相关的问题
B．Eating too much salt could do harm to the heart．
C．The quantity of salt varies among different people
D．13．People are launching a campaign to eat less salt．
A. Because many people don't know how to behave in social situations.
B. Because many people are shy by nature.
C. Because nobody will laugh at you for being shy.
D. Because shyness is difficult to overcome.
B.Call your family or friends for help.
C.Sit down and try to calm yourself.
D.Try to follow your footprints back.
23.A.You may find a way out without your knowing it.
B.You may expose yourself to unexpected dangers.
C.You may get drowned in a sudden flood.
D.You may end up entering a wonderland.
24.A.Look for food.
B.Wait patiently.
C.Start a fire.
D.Walk uphill.
25.A.Inform somebody of your plan.
B.Prepare enough food and drink.
C.Check the local weather.
D.Find a map and a compass.
A、"Are there any perishable food items in the package?”
B、"Are there any fragile items?”
C、"Do you need any stamps?”
D、"How much is it?"
A、I’d just like to add one more point that ….
B、Sorry I forgot something important here, let me think for a while.
C、Before we move to the next point, may I check your understanding of what I just said?
D、Perhaps I didn’t make my points complete. There is another very important point I‘d like to illustrate.
A、speaking
B、writing
C、thinking
D、reading
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