人的右大脑半球通常处理视觉影像、情绪和知觉模式。

司马光看到同伴掉入水缸，他不是按照常规让人脱离水，而是打破水缸，让水脱离人。这件事给我们的启示

A．办事情必须充分重视意识的能动作用

B．必须承认矛盾的普遍性，坚持全面的观点看问题

C．办事情要敢于打破常规，进行创新思维

D．发挥主观能动性要以尊重规律为基础

---John is really expert at fighting cyber-crime!  

---Yes, but he _____ his potential if it had not been for his desire to meet the new challenge.[ ]

A. never realized

B. would never realize  

C. would never have realized

D. had never realized

电脱水器的热水置换阀应装在（）上部，停产时置换出脱水器内的原油。

A、放水阀

B、安全阀

C、进油阀

D、出油阀

急冷水有哪些用户？

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