A-A+
Simon Newcomb concluded in a celebrated essay
问题详情
Simon Newcomb concluded in a celebrated essay that ______.
A.the hope that men could fly long distances through the air would remain a dream
B.it is clear that building a machine by which men shall fly long distances is impossible
C.all physical facts have demonstrated that men can not fly long distances through the air
D.men have not yet learned to produce a flying machine with known substances and known forms of machinery and force
参考答案
正确答案:B
解析:由题干Simon Newcomb可定位到第三段最后一句,接着第四段是引用他的话:就现在的机器和物质是不可能建造一个装置让人远距离地在空气中飞行。他的话是一个例子来说明第三段第二句的观点:任何想建造飞机的人都是傻子,所以选B)。Simon Newcomb是说制造飞行器是否可能的问题,而不是说人类是否可以飞行的问题,所以A)和C)不对;D)不是Simon Newcomb所写的内容。