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【简答题】
Though labour worries about the effect of automation, it does not doubt that ________. A) automation will eventually prevent unemployment B) automation will help workers acquire new skills C) automation will eventually benefit the workers no less that the employers D) automation is a trend which cannot be stopped
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【单选题】如果神经纤维动作电位持续时间为2ms,那么,该神经纤维每秒内所能产生和传导的动作电位数不可能超过
A.
100次
B.
200次
C.
300次
D.
400次
E.
500次
【多选题】磁通门磁力计由()组成
A.
探头
B.
激励电路
C.
监测电路
D.
电源电路
【单选题】如果长期燃油修正显示的是低于0%的负值,则表明( )。(II)
A.
混合气过浓,ECM 使喷油脉宽减小
B.
混合气过稀,ECM 使喷油脉宽增大
C.
短期燃油修正已经失效
【简答题】Jenny was my grandmother’s sister and she was an amazing woman. She was born in 1901 and 小题1: in 2000. It was a pity that she didn’t live to celebrate(庆祝)her 100th birthday, 小题2: she had a good,long l...
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【单选题】This passage mainly talks about ______.
A.
the definition of success
B.
how to set goals
C.
how to achieve success
D.
the importance of goals
【单选题】20090202 下列叙述中,不正确的是 (2)
A.
计算机中的信息可以很容易被复制和窃取,但一定会留下痕迹
B.
计算机软件、硬件设计上的漏洞往往会被攻击者利用,因此,要加强计算 机系统的安全防护
C.
计算机属于高科技设备,供电的稳定性,环境的温度、湿度等会造成数据信息丢失或系统运行中断
D.
计算机中的信息主要保存在存储介质上,因此,存储介质的安全措施也是 重要的一个方面
【单选题】下列关于影响能量代谢的因素哪一.项不正确
A.
机体耗氧量的增加与肌肉活动强度呈正比关系
B.
精神紧张或情绪激动时产热量显著增加
C.
能量代谢在环境温度20~ 30° C时最为稳定
D.
安静状态下思考问题会对能最代谢产生较大影响
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