[多选题]对《孙子兵法》的地位评价正确的有( )-我要搜题网

[简答题]柴油机为什么不能冷机启动？

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[判断题]白炽灯是根据热辐射原理制成的。
A.正确
B.错误

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[单选题]口对口人工呼吸时先连续大口吹气两次,每次( )
A.1~2s
B.2~3s
C.1.5~2.5s
D.1~1.5s

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[单项选择]实现任意二叉树的后序遍历的非递归算法用栈结构，最佳方案是二叉树采用（）存储结构。
A. 二叉链表
B. 顺序存储结构
C. 三又链表
D. 广义表存储结构

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[单选题]小型液压捣固机下道后,应将镐板( ),把捣固机固定好。 ( )
A.提到最高位置
B.降到最低位景
C.放到合适位置
D.降到最低位置并将夹实油缸活塞全部压在缸筒之内

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[简答题]请分析高压换向器主触点发热的原因。

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[单选题]停放制动作为一种( )制动，用来防止机车停放时意外溜放。
A.弹簧蓄能
B.动力
C.空气

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[单选题])发热程度属于
A.低热
B.中等热
C.高热
D.超高热
E.极高热

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[单项选择]

As people continue to grow and age, our body systems continue to change. At a certain point in your life, your body system began to weaken. Your joint may become stiff. It may become more difficult for you to see and hear. The slow change of aging causes our bodies to lose some of their ability to bounce back from disease and injury. In order to live longer, we have always tried to slow or stop this process that leads us toward the end of our lives. Many factors contribute to your health. A well-balanced diet plays an important role. The amount and type of exercises you get is another factor. Your living environment and the amount of stress you are under is yet another. But scientists studying senescence want to know: Why do people grow old They hope that by examining the aging process on a cellular level medical science may be able to extend the length of life. There is nothing to be afraid of as old age approaches. Many consider the later portions of life to be the best time fo
A. we should postpone the process of aging
B. we should try to do some exercise
C. we have to try to be on a diet
D. we should keep in high spirits

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[判断题]高层住宅建筑的物业服务企业应当每半年至少对居住人员进行一次消防安全教育培训，进行一次疏散演练。
A.正确
B.错误

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[单项选择]引起急性胰腺炎的最常见胆道疾病是
A. 胆囊炎
B. 胆石症
C. 胆管炎
D. 胆道肿瘤
E. 胆道蛔虫症

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[单项选择]物权法所称的物权是指权利依法对特定的物享有直接支配和排他的权利，因此物权是一种( )。
A. 请求权
B. 相对权
C. 对人权
D. 支配权

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[判断题]使用滚动导卫装置主要是为了提高产品的尺寸精度。 ( )
A.正确
B.错误

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[简答题]明代的行移勘合制度如何？它有什么积极意义？

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[单项选择]虾蟹拟阿脑虫病的流行水温是（）℃左右
A. 10
B. 15
C. 20
D. 25