单项选择题

Which of the following is TRUE according to the passage

A．Edison's electric bulb was once regarded by some British "experts" as good enough only for Americans.
B．Edison always bad scientific shortsightedness.
C．Edison agreed with the idea of alternating current.
D．Edison thought heavier-than-air flight impossible.

<上一题目录下一题>

热门试题

单项选择题

From William H. Pickering's quotation, we can conclude he thought the use of aero planes was ______.

A．incorrect
B．vague
C．imaginative
D．impracticable

单项选择题

What is the attitude of the committee built by the British Parliament towards Edison's idea

A．Doubtful.
B．Scornful.
C．Critical.
D．Suspicious.