单项选择题

‍同伴的主要特点‍

A．相互理解
B．同等地位和权力
C．相互合作
D．年龄相同

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单项选择题

In January the price of dark chocolate candy bars was 2.50, and Willy's produced 110 pounds. In March the price of dark chocolate candy bars was 2.00 to 2.50 to 2.00 to 2.50 to 2.00 to 2.50 to 2.00 to 2.50 to $3.00.

单项选择题

贺绿汀为参加“征求有中国风味之钢琴曲”比赛活动，连续创作了四首钢琴独奏曲。（）

A．对
B．错