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【多选题】
下列关于杜邦分析体系的说法中，正确的有( )。A.
杜邦分析体系以净资产收益率为起点
B.
总资产净利率和权益乘数是杜邦分析体系的核心
C.
决定净资产收益率高低的主要因素是销售净利率、总资产周转率和权益乘数
D.
要想提高销售净利率，只能降低成本费用
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【单选题】公共事业的特征是什么
A.
公共性、公益性、非物质性、非营利性
B.
公共性、劳务性、非物质性、非营利性
C.
公共性、专业性、基础性性、非营利性
D.
公共性、阶级性、劳务性、非营利性
【单选题】公共事业的特征是什么?
A.
公共性、公益性、非物质性、非营利性
B.
公共性、劳务性、非物质性、非营利性
C.
公共性、公益性、发展性、非盈利性
D.
公共性、阶级性、劳务性、非营利性
【单选题】The Beatles By Charles [1] I will never forget that glorious moment of revelation. I had just turned eight and was on swings at the rec in Ripley, Surrey. There was a group of teenagers nearby with a ...
A.
I became a football fan.
B.
I gave up the Beatles and turned to my favorite football team.
C.
The Beatles was my favorite band just like a favorite football team to a football fan.
D.
I finally found my way to follow a football team.
【单选题】时间复杂度为O（n^2），且关键字比较次数与待排序记录的初始排列顺序无关且排序不稳定，则该排序算法是
A.
直接选择排序
B.
直接插入排序
C.
shell排序
D.
基数排序
【单选题】Two bonds have the same term to maturity. The first was issued by a state government and the probability of default is believed to be low. The other was issued by a corporation and the probability o...
A.
Because they have the same term to maturity the interest rates should be the same
B.
Because of the differences in tax treatment and credit risk, the state bond should have the higher interest rate.
C.
Because of the differences in tax treatment and credit risk, the corporate bond should have the higher interest rate.
D.
It is not possible to say if one bond has a higher interest rate than the other.
【简答题】30岁初产妇，38周妊娠。宫口扩张至5cm时胎膜自破，羊水量多，Ⅱ度混浊。胎心率132次/分，宫缩持续60～70秒，间歇2～3分钟，强度强，并有胎心率同步减慢,正确的处理是（ ）。
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