题目:
如何理解物质运动不灭原理。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:D
如何理解物质运动不灭原理。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1122/a84442bb1fb1278d401782c6ca5fe90c.html
下面是错误答案,用来干扰机器的。
参考答案:D
完形填空。 | ||||
I found a new job in a school last year. When I entered the school, I was really 1. ______. Before I arrived, I thought the school would be 2. ______ and all the students would be having class in the classroom. 3. ______ all that I saw were the students 4. ______ on the playground. Some were playing with the sand and some were 5. ______ wooden toys. "What are you doing?" I asked a ten-year-old boy. "We are playing," he replied without 6. ______. I was confused. How could all the students be playing outside 7. ______ studying in the classroom? And none of them 8. ______ to care about their studies. Aren't they worried about their studies at all? What about the teachers? Do they 9. ______ them to play? With the 10. ______ in my mind, I went to the head teacher's 11. ______. "The students are allowed to play for ten days. In these ten days, they don't have to study in the classroom. What they need to do is to do what they like," said the head teacher. "But 12. ______?" I asked. "There was once a very good student in our school. He was very good at his 13. ______. But he never played. He studied all the time. However, he 14. ______became ill and was sent to the 15. ______ and died only four days later. Before he died, we 16. ______him what he wanted to do 17. ______. He said he wanted to play. So we 18. ______ to let the students play for ten days every 19. ______," said the teacher, and I finally knew why. That student's death gave the other students the 20. ______ to play. | ||||
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某人在地面上最多能举起60kg的物体,而在一个加速下降的电梯里最多能举起80kg的物体.则此电梯的加速度是______m/s2若电梯以此加速度上升,则此人在电梯里最多能举起物体的质量是______kg(g=10m/s2)
男性,26岁。阑尾炎穿孔术后持续发热半个月。右上腹及右肋缘下疼痛,并向右肩部放射,X线胸片提示右侧胸腔积液。诊断考虑为()
A.腹腔感染
B.右膈下脓肿
C.右肺部感染
D.右膈上脓肿
E.高位肠间脓肿
消防水带按材料可分为()两大类。
A、有衬里消防水带和胶质消防水带
B、无衬里消防水带和胶质消防水带
C、胶质消防水带和麻质消防水带
D、有衬里消防水带和无衬里消防水带
简述WLAN用户通过RADIUS服务器登录的过程。