搜题请搜索小程序“爱下问搜题”
问题 单项选择题

下列哪项不属于胎盘功能检查的方法

A．催产素激惹试验
B．尿雌激素/肌酐(E/C)比值
C．血清胎盘生乳素(HPL)值
D．羊水脂肪细胞出现率
E．尿雌三醇测定

答案

参考答案：D

选择题

A．B两种烃，它们含碳质量分数相同，下列关于A和B的叙述正确的是 [ ]

A．A和B一定是同分异构体

B．A和B不可能是同系物

C．A和B最简式一定相同

D．A和B的化学性质相似

查看答案
问答题

Ahmed contracted with Ali to sell and deliver to him his Toyota Corolla for Rs 800,000. Ali paid Rs 800,000 to Ahmed on Monday. The car was to be delivered to Ali on Wednesday. However, on Tuesday there was a sudden riot in the city centre and the car was set on fire by an angry mob resulting in its complete destruction.Required:In relation to the law of contract, advise Ahmed and Ali on the impact of this event on their contract. (10 marks)
查看答案