The author stakes out an area of his own mainly because he _____.
A.thought it better to be stared at than to be ignored
B.didn"t want the wolves to use the track past his tent
C.wanted the wolves to take notice of his existence
D.wanted to find out how fierce the wolfs glare was
第1题
The phrase "break the impasse" (Para. 5) is closest to the meaning "_____".
A.avoid being attacked
B.break the ice
C.trigger hostility
D.draw attention
第2题
According to the text, which of the following is true of the wolves?
A.The wolves do not start attacking humans unless irritated by humans.
B.The wolves go hunting at night and go back to the dens at dawn.
C.The wolves do not rely on their sight to recognize boundaries.
D.The wolves mark their family boundaries by means of water.
第3题
We can infer from this text that the author is most probably a_____.
A.hunter
B.biologist
C.journalist
D.traveler
第4题
Which of the following is true of the text?
A.Maintaining exercises will increase our chances of living to an old age.
B.The idea of combined effects of harmful behaviors is new to the public.
C.Drinking will be detrimental to people"s overall health just as smoking.
D.Avoiding certain behaviors will improve people"s overall physical condition.
第5题
According to Dr. Walter Willett, healthy lifestyle. practices will most probably_____.
A.reduce combined impact
B.be modestly repeated
C.be simple common senses
D.make us live longer
第6题
Figures in the statements of the Associated Press are to show that _____.
A.more than 25% of the people with all four unhealthy habits died
B.the cumulative effect of all four behaviors added to death risks
C.those with none of four unhealthy behaviors tend to live longer
D.it"s easy to distinguish those with four bad habits from those without
第7题
The four risky behaviors will most probably cause _____.
A.an increased mortality risk
B.an irreversible prematurity
C.a rising death toll
D.an unwholesome lifestyle
第8题
The word "grim" (Para, 1) most probably means _____.
A.sustainable
B.durable
C.horrible
D.detectable
第9题
What is the main idea of the text?
A.The prospect of tracking services.
B.Mobile phones with GPS functions.
C.The application of location services.
D.The dominating tracking systems.
第10题
The example in Paragraph 6 is used to illustrate that______.
A.Nextel provides a different operation strategy
B.GPS technology is vital for tracking service
C.tracking service becomes a flourishing business
D.location service is abused by married people
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