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【单选题】
以下生长发育的评价哪错误的( )A.
均值离差法适合于正态分布的常用统计方法
B.
标准差比值法用偏离该年龄组标准的程度来反映生长情况
C.
指数法是用两项指标间的相互关系进行比较
D.
百分位数和均值离差法的设计原理相同
E.
相应身高的体重可反映儿童目前的营养状况
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【单选题】Mooring winch should be equipped with mechanical brakes capable of holding_____.
A.
the maximum expected tension of the mooring line
B.
50% over the working tension of the mooring line
C.
the full breaking strength of the mooring line
D.
half the breaking strength of the mooring line
【简答题】_____ is the essence of the Renaissance.
【单选题】The rotating units of a split windlass consists of a_____with shaped snugs to grip the anchor cable, a mooring drum for paying out or letting go of mooring wires and a warp end for warping duties.
A.
cranes
B.
mooring barrel
C.
capstans
D.
cable lifter
【单选题】下列实验室事故的处理方法不正确的是 ( )
A.
割伤时，应先清出伤口中的异物，用冷水冲洗后，止血，再去医院治疗。
B.
受酸腐蚀，先用大量水冲洗，再用碳酸氢钠或稀氨水冲洗，最后还再用水冲洗。
C.
酸或碱溅入眼中，立刻用大量水冲洗再用极稀的碳酸氢钠或醋酸溶液点入眼中。
D.
吸入氯气或溴蒸汽，可吸入少量的酒精和乙醚的混合蒸汽解毒，必要时进行人工呼吸
【单选题】A mooring winch should be equipped with mechanical brakes capable of holding____.
A.
half the breaking strength of the mooring line
B.
the full breaking strength of the mooring line
C.
the maximum expected tension of the mooring line
D.
50% over the working tension of the mooring line
【简答题】_________________________________________________ are regarded as Three Giants of the Renaissance.
【单选题】can renaissance started from _______.
A.
Pragmatism
B.
utilitarian
C.
New England transcendentalism
D.
the age of Realism
【单选题】Which of the following is NOT true about mooring lines?
A.
Mooring lines are leading in different directions.
B.
Mooring lines have different usages.
C.
Mooring lines prevent a ship from moving forward and backward.
D.
All mooring lines are leading ashore from the fore end or aft end of a ship.
【单选题】Mooring winch should be equipped with mechanical brakes which are capable of holding ______.
A.
half the breaking strength of the mooring line
B.
the full breaking strength of the mooring line
C.
the maximum expected tension of the mooring line
D.
50% over the working tension of the mooring line
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