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  3. 共用题干 Pathways to Research:Problem-solvi

共用题干 Pathways to Research:Problem-solvi

题库2022-08-02  13
问题 共用题干Pathways to Research:Problem-solving
1.Pittsburgh's many hills aren't kind to bikers.Anyone hoping to pedal to work there has to contend with steep streets like Canton Avenue,which famously climbs at a nearly 40-degree angle.As a result,some residents avoid biking altogether.
2.But University of Pittsburgh graduate Micah Toll,23,and a few friends recently launched an invention that they hope will, increase the city's pedal power:An electric bike called a Pulse PEVO.AM super-strong battery powers the bicycle.Able to hit nearly 20 miles per hour without pedaling,it zips up the city' s most daunting（令人却步的）hills.Toll hopes it will persuade people in Pittsburgh and elsewhere to get out of their cars and onto bikes.
3.If it sounds like Toll has a knack（窍门）for fixing problems,that's because he does.In high school,he designed a new type of construction beam.It weighs no more than a feather pillow but can be used to build sturdy（坚固的）homes for refugees fleeing war or natural disaster.For his work , Toll was invited to attend the Intel International Science and Engineering Fair(ISEF）-twice,in 2006 and 2007.The annual competition for young researchers is a program of Society for Science&the Public(that's the parent organization of Science News for Kids).Toll says that when it comes to science,he keeps it simple:"You see a problem and say,‘How could I solve that?’",
4.He's not the only one to take that approach.Many young researchers get their start by trying to solve a problem or fulfill a need in their own communities.When students dedicate themselves to finding a solution that may benefit their community , " a passion is ignited,（点燃）,"says Wendy Hawkins , executive director of the Intel Foundation,which sponsors Intel ISEF."Finding that passion and fostering it can be the key to many students'future success."she says.Paragraph 3______ A:Intel International Science and Engineering FairB:The Enthusiasm for Solving ProblemsC:The Young Researchers'PassionD:An Invention Increasing Pedal PowerE:Why People Avoid Biking in Pittsburgh F:The Cause of National Disaster
选项 Paragraph 3______
A:Intel International Science and Engineering Fair
B:The Enthusiasm for Solving Problems
C:The Young Researchers'Passion
D:An Invention Increasing Pedal Power
E:Why People Avoid Biking in Pittsburgh
F:The Cause of National Disaster
答案 B
解析 第一段表明，匹兹堡多山，而且街道的坡度很陡，因此许多人不骑自行车出行。由此可知，第一段主要讲的是人们在匹兹堡不骑自行车的原因。
第二段主要表明，Toll发明的超能电池能够为自行车提供更强的动力，可鼓励匹兹堡的人骑自行车出行。由此可知，本段主要讲的是一项能够增强自行车动力的发明。
第三段的主题句是第一句，紧接着列举Toll在高中设计新型建筑横梁的例子，主要表明 Toll有解决问题的窍门和热情。
第四段表明，只要能使他们的集体受益，年轻的研究者们对解决问题非常有激情。由第三句中的passion一词也可知C项正确。
根据第二段第二句可知，为Pulse PEVO提供动力的是一种超强电池。
由第二段最后一句可知，Toll希望Pulse PEVO能鼓励匹兹堡和其他地方的人骑自行车。encourage是persuade的同义转换。
由第三段第二、三句可知，Toll设计的建筑横梁与羽毛枕头差不多重。
由第四段第三句“…that may benefit their community…”可知，本题应该选择F项。
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