| Animation means making things which are
lifeless come alive and move. Since earliest times, people have always been astonished by movement. But not until this century have we managed to take control of movement, to record it, and in the case of animation, to retranslate it and recreate it. To do all this, we use a movie camera and a projector (放映机). In the world of cartoon animation, nothing is impossible. You can make the characters do exactly what you want them to do. A famous early cartoon character was Felix the Cat, created by Pat Sullivan in America in the early nineteen twenties. Felix was a wonderful cat. He could do all sorts of things no natural cat could do like taking off his tail, using it as a handle and then putting it back. Most of the great early animators lived and worked in America, the home of A. was created by the American cartoonist Felix______. B. was designed by Pat Sullivan in the early twentieth century C. was unable to do what natural cats could not do D. was created in the United States in the nineteenth century [单项选择]变风量空调系统的主要特点是______。
A. 可分区进行温湿度控制、减小空调机组容量、运行节能、维护工作量小 B. 可分区进行温度控制，减小空调机组容量、运行节能、房间分隔灵活 C. 可分区进行温度控制、减小空调机组容量、降低初投资、运行节能 D. 可分区进行温湿度控制、减小空调机组容量、运行节能、房间分隔灵活 [判断题]《安技规》规定防护信号牌须清洁明亮（贴反光膜或刷反光漆） ( )
A.正确 B.错误 [填空题]机动车排气定期检测应当与安全技术定期检验（）。
[名词解释]耐热钢
[判断题]我国在煤矿安全管理工作中,坚持“谁投资、谁受益、谁负责安全”的原则。
A.正确 B.错误 [单项选择]在突触后膜上发生的兴奋性突触后电位为（）
A. 极化变化 B. 超极化变化 C. 去极化变化 D. 反极化变化 E. 复极化变化 [单选题][T]BD005312射流水利参数不包括下列那项()。
A.喷射速度 B.射流冲击力 C.射流水功率 D.喷嘴直径 [简答题]改革开放以来我们取得一切成绩和进步的根本原因，归结起来就是：开辟了中国特色社会主义道路，形成了中国特色社会主义理论体系，确立了中国特色社会主义制度，发展了中国特色社会主义文化。
[判断题]放线作业前应检查导线与牵引绳连接可靠牢固。
A.正确 B.错误 [单选题]高速铁路、中川线若遇暴风雨等天气，设备管理单位确需应急进入防护栅栏，但不进入路肩和桥面范围内进行设备检查时，可在本线限速（）Km/h及以下情况下，准许检查人员进入。
A.80 B.120 C.160 D.200 [单选题]在遇有接触网断线事故时,必须采取防护措施,使任何人在装设接地线前不得进入( )。
A.断线落下地点5M范围以内。 B.断线落下地点10M范围以内 C.断线落下地点20M范围以内。 D.断线落下地点30M范围以内 [简答题]远控房里面的旁通阀在什么情况下使用？
我来回答: 提交
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