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【单选题】
轻度营养不良体重低于正常均值的A.
5%~15%
B.
15%~25%
C.
25%~40%
D.
30%~50%
E.
40% 以上
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反馈参考答案：
举一反三
【单选题】The more closely substitutable are two goods, the
A.
more normal looking is the indifference curve for the two items.
B.
more closely the indifference curve for these two items approximates a straight line.
C.
more tightly curved is the indifference curve for these items.
D.
None of the above answers is correct.
【单选题】涉及焓的下列说法中正确的是( )
A.
单质的焓值均等于零
B.
焓是能量 , 它遵守热力学第一定律
C.
焓的增量不仅与系统的始末态有关 ，还与过程有关。
D.
化学反应中系统的焓变不一定大于内能变化
【单选题】正常门静脉压是( )
A.
小于1.3kPa(13cmH20)
B.
1.27~2.35kPa(13~24cmH20)
C.
2.4~3.0kPa(24~30cmH20)
D.
3.O~5.0kPa(30~50cmH20)
E.
4.0kPa(40cmH2O左右)
【简答题】Balance 1. _____________ items presented in the statement of 2. ______________ position are generally classified as 3. _____________ and non current items. How long is “current ”? Current means one ye...
【单选题】Twenty-five items are sampled. Each of these has the same probability of being defective. The probability that exactly 2 of the 25 are defective could best be found by _______.
A.
using the normal distribution
B.
using the binomial distribution
C.
using the Poisson distribution
D.
using the exponential distribution
【单选题】按照《证券投资顾问业务暂行规定》的要求，证券公司、证券投资咨询机构从事证券投资顾问业务，应当建立客户回访机制，明确客户回访的程序、内容和要求，并( )。
A.
成立专门的委员会
B.
指定专门人员独立实施
C.
指定多部门分别独立实施
D.
指定多部门共同实施
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