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【简答题】
渐开线齿轮的齿廓形状取决于 圆。渐开线上任一点的法线必定与 圆相切。
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参考答案:
举一反三
【单选题】女婴,8个月,诊断为中度营养不良。开始供给热量每日应为()
A.
230kJ/kg(55kcal/kg)
B.
300kJ/kg(70kcal/kg)
C.
340kJ/kg(80kcal/kg)
D.
375kJ/kg(90kcal/kg)
E.
420U/kg(100kcal/kg)
【单选题】女婴,8个月,诊断为中度营养不良。开始供给热量每日应为
A.
230kJ/kg(55kcal/kg)
B.
300kJ/kg(70kcal/kg)
C.
340kJ/kg(85kcal/kg)
D.
375kJ/kg(90kcal/kg)
E.
420kJ/kg(l00kcal/kg)
【单选题】日常计划是指导日常旅客运输组织工作的计划,由( )编制。
A.
计划部门
B.
车辆部门
C.
客运部门
D.
调度部门
【单选题】( )是指导日常旅客运输组织工作的计划,由客运部门负责编制。
A.
长远计划
B.
年度计划
C.
日常计划
D.
票额分配计划
【单选题】You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?
A.
Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point link
B.
Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
C.
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
D.
Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal
E.
None of the above
【单选题】女婴,8个月,诊断为中度营养不良。开始供给热量每日应为()
A.
250kJ/kg(60kcal/kg)
B.
300kJ/kg(70kcal/kg)
C.
340kJ/kg(80kcal/kg)
D.
375kJ/kg(90kcal/kg)
E.
420kJ/kg(100kcal/kg)
【单选题】下列关于胸锁乳突肌描述正确的是( )
A.
在体表不能显示
B.
位于颈内
C.
一侧收缩使脸转向同侧,头向对侧
D.
两侧收缩使头后仰
【单选题】The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
A.
Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
B.
Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link
C.
Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
D.
Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signal
E.
None of the above
【单选题】关于胸锁乳突肌描述不正确的是
A.
起自胸骨柄前面和锁骨的胸骨端,止于乳突
B.
两侧同时收缩可使头后仰
C.
一侧收缩可使头屈向对侧
D.
一侧病变引起肌痉挛时可引起斜颈
【单选题】女婴,8个月,诊断为中度营养不良。开始供给热量每日应为
A.
230kJ/kg(55kcal/kg)
B.
300kJ/kg(70kcal/kg)
C.
375kL/kg(90 kcal/kg )
D.
420kJ/kg(100kcal/kg)
E.
460kJ/kg(110kcal/kg)
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