不少人退休后会有失落感，我们应该帮助、关心他们（）
A. Some worry that robots will one day become the dominant force in the world.
B. Many people will have a sense of loss after retirement. we should help. care for them.
C. With the recent increase in violent crime. the government will certainly respond.
D. I remember living in the country very happy when I was a child. where flowers bloom in spring
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虽然我痛恨这么做，但是我必须按计划完成任务（）
A. Whatever happens. we will make every effort to overcome it.
B. That means the new law also applies to private enterprises.
C. Although I hate doing so. I have to finish the task as planned.
D. Without the constant concern of both sides. the friendship will end in a breakup
人工V/S控制拨动开关在UP（上）位时活门移向（）
A. 开位;
B. 关闭位;
热空气按钮在OFF位时（）
A. 压力调节活门调节热空气压力;
B. 压力调节活门关闭;
进气隔离活门为绿色竖线（）
A. 活门打开;
B. 活门关闭;
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