"The post–World War II years" uses em dash.
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"She outlined the strategy—a strategy that would, she hoped, secure the peace." uses em dash.
A. 对
B. 错
Normally, such an outward _________ of affection is reserved for his mother.
A. display
B. displayer
C. displayed
D. displaying
CAD是()
A. 计算机辅助制造
B. 计算机辅助教学
C. 计算机辅助设计
D. 计算机辅助画图
CAM是()
A. 计算机辅助教学
B. 计算机辅助制造
C. 计算机辅助画图
D. 计算机辅助设计
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