Keller's ability to overcome her disabilities and learn ______.
A. opened many doors for the education of children
B. helped her speak out for patients who needed help
C. made the world a better place for the disabled
D. showed where there is a will there is a way
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食品行业和其他需求弹性较小的行业属于防守型行业。()
A. 正确
B. 错误
公司今年年末预期支付每股股利4元，从明年起股利按每年10%的速度持续增长。如果必要收益率是15%，那么，该公司股票今年年初的内在价值等于80元。()
A. 正确
B. 错误
【B7】
A. telling about
B. showing off
C. calling for
D. dealing with
自动化仪表调试阶段首先应进行()。
A. 单体设备或部件调试
B. 局部区域调试
C. 回路调试
D. 整体系统联调
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