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【单选题】
关于小儿身长增长规律以下哪项不正确
A.
前半年平均每月增长2.5cm
B.
后半年平均每月增长1.5cm
C.
第一年身长平均增加25cm
D.
第二年身长平均增加10cm
E.
2~12岁平均身高=年龄×8+85cm
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参考答案:
举一反三
【单选题】在沉淀滴定法中,同时要用到 和 两种滴定液的是
A.
铬酸钾指示剂法
B.
吸附指示剂法
C.
铁铵钒指示剂法的直接滴定法
D.
铁铵钒指示剂法的返滴定法
【单选题】— I'm terribly sorry to have lost your book. —  ______. [     ]
A.
All right
B.
Good idea
C.
Never mind
D.
You are welcome
【多选题】液压传动是以( )作为传动介质,完成能量的传递的;气压传动是以( )作为传动介质的。
A.
液压油
B.
压缩气体
C.
D.
空气
【多选题】在撰写调研报告 时,通常包含三大部分:前言、主体、结尾(附录)。其中,“主体”是调研报告的正文,是调研报告中最重要的部分,一般包括以下哪些项目:
A.
调研目的
B.
调研目标
C.
调研方法
D.
调研内容
E.
综合分析
F.
调研结论及建议
【单选题】The board of the company has decided to __________ its operations to include all aspects of the clothing business.
A.
multiply
B.
lengthen
C.
expand
D.
stretch
【简答题】I’d been proud that I’d never lost my cellphone until my husband Jack got a call one evening. We went to visit a friend in hospital last year. When Jack’s 36 rang, it was my mother calling from my 37 ...
【单选题】车站关站管理中,运营结束后 ()按规定执行相应的照明模式值班站长
A.
1111MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0
B.
客运值班员
C.
行车值班员
D.
售票员
【单选题】The Chinese government has overcome problems of population and economy to     ________  its “nine years of compulsory education”.
A.
abolish
B.
reserve
C.
accelerate
D.
accomplish
【简答题】Suppose Yt = 5 + 2t + Xt where {Xt} is a zero mean stationary series with autocovariance function γk. (a) Find the mean function for {Yt}. (b) Find the autocovariance function for {Yt}. (c) Is {Yt} st...
【单选题】The principle that everything in the universe has its appropriate place is favoured by ___________.
A.
St. Paul
B.
Bertrand Rusell
C.
Galileo
D.
Aristotle
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