"Non-English-speaking peoples" uses en dash.
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"The post–World War II years" uses em dash.
A. 对
B. 错
"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