患者女性，消化道溃疡久治不愈，今突然呕血约700ml，立即给予输血，10min后患者

下列各组疾病中，均由激素分泌不足引起的是

A．呆小症和巨人症

B．夜盲症和侏儒症

C．呆小症和侏儒症

D．佝偻病和糖尿病

短语搭配。

1. There are more and more people ______ ______ ______ (支持; 赞同) staying at home over short

     holidays.

2. Many people thought he would go abroad after ______ ______ (毕业) from the university.

3. ______ ______ (既然) you have your own decision, we have nothing to say.

4. Hard work ______ _____ (导致) success and failure often lies in laziness.

5. Books ______ ______ (占用) two thirds of the professor's room.

6. _____ _____ (理论上) the proposal sounds perfect while _____ ______ (实际上) it may cause a lot

    of unexpected problems.

门静脉高压症形成后首先出现的病理改变是

A．腹水

B．肝肿大

C．脾肿大

D．交通支扩张

E．食管、胃底静脉破裂出血

It is essential that every child _______ the same educational opportunities.

A．have

B．would have

C．has

D．had

共沸溶液类制冷剂