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【单选题】
,女,28岁,初产妇,妊娠41,规律宫缩10小时入院。检查:髂嵴间径25cm,骶耻外径20cm,坐骨结节间径7cm。枕右前位,胎心134次/分。阴道检查:双坐骨棘内突,开大4cm,先露S0。2小时后产妇呼叫腹痛难忍,检查宫缩1-2分钟一次,持续60秒,胎心99次/分,脐下有明显环状凹陷,子宫下段膨隆,压痛明显,开大4cm,先露S0。此时产程受阻的原因是A.
子宫收缩乏力
B.
胎位异常
C.
胎儿过大
D.
入口和中骨盆狭小
E.
中骨盆和出口狭小
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【单选题】下面有关 for 循环的正确描述是
A.
for 循环只能用于循环次数已经确定的情况
B.
for 循环是先执行循环体语句 , 后判断表达式
C.
在 for 循环中 , 不能用 break 语句跳出循环体
D.
for 循环的循环体可以包括多条语句 , 但必须用花括号括起来
【简答题】小数点的保留两位小数,小数点后两位四舍五入。) 2016年12月ABC会计师事务所接受委托,对戊公司2016年财务报表实施审计,戊公司主要从事电子的生产和销售业务。A注册会计师担任项目合伙人。A注册会计师在审计工作底稿中记录了所了解的戊公司情况及其环境,部分内容摘录如下: 资料一: ( 1)由于2015年W产品供不应求,戊公司治理层提出2016年将W产品销量提高10%、毛利率提高3%的目标,并规定...
【判断题】duopoly in which two identical firms are engaged in Bertrand competition will not distort prices from their competitive levels.
A.
正确
B.
错误
【单选题】In which of the following s is it clearly the case that the cooperative outcome of the is good for the two players and good for society?
A.
Two guilty criminals have been captured by the police, and each prisoner decides whether to confess or to remain silent.
B.
Two airlines dominate air travel between City A and City B, and each airline decides whether to charge a “high” aire or a “low” aire.
C.
Two duopoly firms account for all of the production in a market, and each firm decides whether to produce a “high” amount of output or a “low” amount of output.
D.
Two oil companies own adjacent oil fields over a common pool of oil, and each company decides whether to drill one well or two wells.
【单选题】There are two types of markets in which firms face some competition yet are still able to have some control over the prices of their products. Those two types of market are
A.
monopolistic competition and oligopoly.
B.
duopoly and triopoly.
C.
perfect competition and monopolistic competition.
D.
duopoly and imperfect competition.
【单选题】下面有关 for 循环的正确描述是
A.
for循环的循环体语句中,可以包含多条语句,但必须用花括号括起来，花括号后面一定要加分号。
B.
for循环是先执行循环体语句,后判断表达式。
C.
在for循环中,能用break语句跳出循环体。
D.
for循环只能用于循环次数已经确定的情况。
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