风湿性二尖瓣狭窄的超声表现有哪些？（） A.左心房增大 B.二尖瓣前叶体部舒张期呈穹

Walking in the street in the USA or the UK, you can often hear people talking about the weather. "Lovely day, isn’t it?" "It’s cold, isn’t it?" and so ox

Americans and English people like talking about the weather. This makes lots of Chinese puzzled（困惑）. But they talk about the weather not only because the weather there changes a lot, but also they do not like to talk with others about private things like age, family and income. Stay with strangers, people all like talking about the weather, then they can talk about other things naturally（自然）. They think if you like spring, you have a warm heart; if you like summer, you have a great will; if you like autumn, you have abundant feeling（丰富的感情）；if you like winter, you have a vast mind（广阔的胸怀）．

小题1:What is the Chinese meaning of ‘private’?

A．私人的

B．公共的

C．未知的

D．不感兴趣的小题2:Why do Americans and English people like talking about the weather?

A．Because the weather there is changeable.

B．Because they do not like to talk about private things.

C．Because then they can talk about other things naturally.

D．Both A and B小题3:Which is NOT true?

A．If you like spring, you like to help others.

B．A lot of Chinese don’t know why the English people like talking about the weather.

C．The weather often changes in UK,

D．English people will talk about their ages with the strangers.

一个圆柱状的杯子，由内部测得其底面直径为4cm，高为10cm，现有一支12cm的吸管任意斜放于杯中，则吸管（    ）露出杯口外．（填“能”或“不能”）

患者男，43岁，主诉突发右上腹剧痛并阵发性加剧3天，伴有寒战高热，恶心呕吐。查体：全身黄染，体温39℃，脉搏120次/分，血压80/60mmHg，谵妄，神志不清，剑突偏左腹肌紧张，肝肋下2cm，WBC15×10⁹/L，中性粒细胞80%，血清总胆红素50μmol/L，本例治疗首选（）

A.抗休克，抗感染治疗

B.胆囊切除，腹腔引流术

C.胆囊造口术

D.胆总管减压引流

E.溃疡病穿孔缝合

( )和仓储作业管理统称为仓储管理系统。

A．仓储管理
B．库存管理
C．物资管理
D．设备管理

关于心理定势的表述，正确的有（）。

A．心理定势对社会知觉有积极作用

B．心理定势对社会知觉有消极作用

C．心理定势是对某一个人或某类人的刻板印象

D．心理定势可能会使人们产生偏见

E．心理定势不受以往经验模式的影响