单项选择题
61（）
A．with
B．at
C．in
D．through
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
Manufacturers found out that color affects sales ______.
A．by experience over a long period of time
B．by experimenting with different colors
C．by trying out color on blind people
D．by developing the discipline of color psychology
点击查看答案&解析
单项选择题
The first two paragraphs tell us ______.
A．how Von Steuben became the general of the American infantry
B．how the revolutionary forces came to be commanded by Washington
C．how Washington set about asking von Steuben to train his soldiers
D．how poorly organized the Americans were compared to the British army
点击查看答案&解析
相关试题
80（）
79（）
78（）
77（）
76（）