如图所示,将R1、R2、R3、R4、R5五只阻值不等的电阻并联后接在电源电压为6

题型:填空题

问题:

如图所示,将R1、R2、R3、R4、R5五只阻值不等的电阻并联后接在电源电压为6伏的电路中,若电阻R1的阻值为50欧,R5为10欧,且R1>R2>R3>R4>R5.当电键S闭合后,可判断电流表的示数范围是______.

考点:电阻的并联欧姆定律及其应用
题型:填空题

M公司用甲材料生产X产品,甲材料标准价格是100元/千克,用量标准为5千克/件,公司所生产的A产品标准工资率为20元/小时,工时标准为1小时/件。假定本月投资A产品10000件,耗用甲材料60000千克,其实际价格为110元/千克;实际支付直接工人工资14万元。同时,M公司按经济用途对生产费用和期间费用进行了严格的区分和管理,从而有效提升了公司的盈利水平。

M公司生产A产品所耗用甲材料的直接材料成本差异是()万元。

A.100 

B.120 

C.150 

D.160

题型:填空题

临床操作中,石膏凝固后合适的切割修整时间是()

A.15分钟

B.1小时

C.12小时

D.24小时

E.即刻

题型:填空题

 The leaders of Russia and China vowed to support each other’s fight against Muslim separatists and urged peaceful solutions in Iraq, during a meeting in Beijing’s Great Hall of the People on December 2, 2002.

  Russian President Vladimir Put in and China’s Jiang Zemin signed a joint declaration calling for a “multipolar world”.

  His two - day visit comes shortly after the conclusion of the 16th Patry Cogress which elected the new CPC leadership. Put in said that Russia wants to “work hard” with the new generation of Chinese leaders.

  The Treaty(条约)of Good =" Neighbourliness" and Friendly Cooperation, signed in July last year, has provided a solid legal foundation for lasting friendship for generations to come, according to Jiang, “China and Russia will be good neighbours, friends and partners forever.”

  The Russian Government, in return, said it would continue to give priority(优先权)to relations with China in its foreign policies.

  Put in spoke on the morning of Dec. 3rd at Peking University and took questions from students on his understanding of Chinese literature, Russian reform(改革)and NATO enlargement.

  He said a growing number of young people in Russia are interested in Chinese literature and one of his daughters is learning Chinese.

小题1:We can infer from the last paragraph that ________ .

A.many young Russian people hope to study Chinese in China

B.China is richer and stronger than Russia

C.Russia will give some support to China

D.The relation between China and Russia is developing healthily小题2:It is implied, in the sentence“Put in said that Russia wants to‘work hard’with the new generation on Chinese leaders”, that ________ .

A.Russia will co - operate closely with China

B.There are many differences between Russia and China

C.Put in knew little of the new generation of Chinese leaders

D.It will be long before Put in gets to know the new generation of Chinese leaders小题3:The underlined word“multipolar”is likely to mean ________ .

A.equal

B.peaceful

C.balanced

D.fair小题4:Which of the following is mentioned in the passage?

A.Put in agreed that NATO was enlarged.

B.Put in was invited to the 16th Chinese communist Party congress.

C.Russia puts China first.

D.Muslim separatists make trouble only in Russia.

题型:填空题

中医的"肝郁脾虚"指的是()

A.症状

B.证候

C.疾病

D.体征

E.状态

题型:填空题

电力系统中常见的恶性误操作事故是指()。

A.带负荷拉隔离刀闸

B.带负荷分断路器

C.带电合接地开关

D.带接地线送电

E.架空线路带接地拉隔离开关

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