According to Paragraph 1, which of the following is true of Newtons Principia?
A.Newton was motivated to write the Principia after he saw the apple fell.
B.The Law of Universal Gravitation was originally included in the Prineipia.
C.Newton began to form. the idea of the Principia when he was a college student.
D.The Law of Universal Gravitation was formulated long before the Principia.
第1题
According to Paragraph 3, which of the following sounds is the most powerful?
A.McDonald"s "I"m Lovin" It" jingle.
B.The sound of blowing open a door.
C.The giggling sound of a baby.
D.The hum of a vibrating cell phone.
第2题
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3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4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5题
We can infer from this text that the author is most probably a_____.
A.hunter
B.biologist
C.journalist
D.traveler
第6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7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8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9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10题
The word "grim" (Para, 1) most probably means _____.
A.sustainable
B.durable
C.horrible
D.detectable
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