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拼装钢梁时,使用垫圈不应多于(),垫圈总厚度不大于30mm。
A.1个 B.2个 C.3个 D.4个
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单臂平伸下压数次或白色灯光下压数次表示()信号。
A.发车 B.有车线引导 C.减速 D.停车
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计算机CPU中包含的单元有()。
A . 控制单元和RAM
B . 控制单元和扩充内存
C . 算术/逻辑单元和ROM
D . 控制单元和算术/逻辑单元
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足太阴脾经的 输穴是 ( ) A . 太渊 B . 太溪 C . 太白 D . 大冲 E . 太阳
A. 太渊 B. 太溪 C. 太白 D. 大冲 E. 太阳
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以下哪条发到10086的指令代表的含义是激活WLAN业务()
A . QXWLAN
B . KTWLAN
C . HWLAN
D . CXWLAN
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老人发生意外伤害时,养老护理员正确的做法是()。
A . 通知家属赶紧过来处理
B . 通知医生,等医生过来处理
C . 运用自己掌握的知识进行应急处理
D . 报告领导,等领导来处理
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It is reported that over 300 million people in China are suffering from nearsightedness (近视). As more children have got eye trouble, their parents hope to cure the disease by medicine, equipment or by correcting the way children read and sit. But in fact the care given to one’s eyes should start with the exercise on one’s feet. Three methods on how to protect eyes are as follows: Firstly, don’t fasten your shoes too tightly. Try wearing loose socks or walking barefooted at home. When traveling, try wearing cloth shoes so as to make blood circulation (循环) easier. Secondly, walking on tiptoes will help improve one’s eyesight, and prevent nearsightedness. Figures show that few ballet (芭蕾舞) performers are nearsighted. Thirdly, rope skipping also does good to one’s eyesight. When skipping the rope, one has to react quickly, which excites the brain as well as the eyes. It will also help make one grow taller. Besides foot exercises, it is good to pull one’s ears. Pulling the ears 20 times is found to be an effective way to reduce the pressure on one’s eyes soon.
A.depend on medicineB.use equipmentC.think of foot exercisesD.pay attention to correcting the way children read and sit
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咳嗽气喘气急,属于()
A.气逆
B.气陷
C.气脱
D.气闭
E.气郁
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稀土永磁体就是稀土与过渡金属形成的某些特殊金属间化合物
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肝属于()。
A.运动系统B.消化系统C.呼吸系统D.泌尿系统
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为了消除按键的抖动,常用的方法有硬件和软件两种方法
A . 正确
B . 错误
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在机械通气过程中,痰培养提示铜绿假单胞菌,此时应选用的抗生素为()
男,70岁,有“慢性咳嗽、咳痰30年”病史,1周前感冒后出现食欲减退,轻微咳嗽,咳少量白粘痰,体温不高,并出现嗜睡,查血常规,WBC5.6×10/L,N74%,HB168g/L,血气分析示pH7.32,PaCO86mmHg,PaO50mmHg。
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囊痈成脓治宜( )。
A. B. C. D. E.
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