若x1,x2是方程x2=4的两根,则x1+x2的值是______.

题型:填空题

问题:

若x1,x2是方程x2=4的两根,则x1+x2的值是______.

考点:一元二次方程根与系数的关系
题型:填空题

排尿困难和()常见于膀胱或 * * 结石、膀胱颈挛缩等疾病。

A.尿失禁

B.尿潴留

C.多尿

D.糖尿

题型:填空题

下列哪项不是吗啡急性中毒的表现()

A.昏迷

B.呼吸高度抑制

C.针尖样瞳孔

D.肌张力增加

E.血压明显降低

题型:填空题

The board of directors of Sunrise Limited (‘SL’), a public limited company, in their next board meeting plan on authorising:(a) The appointment of TAQ International as its sole distributor for Karachi. Mr Kamal Dawood, who is the managing partner of TAQ International and a director of SL, is the moving spirit behind this.(b) Extension of the repayment time for a loan extended to Mr Kamal Dawood.Required:With reference to company law, explain to the board of directors of SL the procedures for adopting the above plans. (10 marks)

题型:填空题

按照合同性质分类,保险合同的种类分为

A.补偿性保险合同与给付性合同

B.定值保险合同和定量保险合同

C.定值保险合同和不定值保险合同

D.个别保险合同和集体保险合同

题型:填空题

股肿多发生于()

A.上肢静脉

B.下肢静脉

C.胸壁静脉

D.颈静脉

E.面部静脉

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