肺动脉狭窄出现发绀的重要原因是() A.右心室衰竭 B.肺动脉痉挛 C.右心室肥厚

题型:单项选择题 A2型题

问题:

肺动脉狭窄出现发绀的重要原因是()

A.右心室衰竭

B.肺动脉痉挛

C.右心室肥厚

D.右房压力增高

E.合并房间隔缺损或卵圆孔未闭

考点:儿内科(医学高级)循环系统疾病循环系统疾病题库
题型:单项选择题 A2型题

关于杠杆,下列说法正确的是(  )

A.杠杆是用来省力的

B.杠杆是用来省距离的

C.杠杆可省力或省距离

D.杠杆既省力又省距离

题型:单项选择题 A2型题

Ham, Sam and Tam formed a partnership to run a petrol station. The partnership agreement expressly stated that the partnership business was to be limited exclusively to the sale of petrol.In January 2008 Sam received £10,000 from the partnership’s bank drawn on its overdraft facility. He told the bank that the money was to finance a short-term partnership debt but in fact he used the money to pay for a round the world cruise. In February Tam entered into a £15,000 contract on behalf of the partnership to buy some used cars, which he hoped to sell from the garage forecourt. In March the partnership’s bank refused to honour its cheque for the payment of its monthly petrol account, on the basis that there were no funds in its account and it had reached its overdraft facility.Required:Advise Ham, Sam and Tam as to their various rights and liabilities in relation to partnership law. (10 marks)

题型:单项选择题 A2型题

目标管理的基本精神是()

A.以经济为中心

B.以整体人为中心

C.以工作为中心

D.以自我管理为中心

E.以人际关系为中心

题型:单项选择题 A2型题

唐律规定,如果“嫁娶违律”,( )。

A.独坐结婚者

B.独坐主婚者

C.结婚、主婚皆坐

D.结婚、主婚皆不坐

题型:单项选择题 A2型题

雾沫夹带的产生是因为()

A、上升气速过大

B、上升气速过小

C、回流过大

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