试题与答案

各民主党派在我国是参政党,这表明() A.民主党派的代表在各给人民代表大会中都占

题型:选择题

题目:

各民主党派在我国是参政党,这表明(   )

A.民主党派的代表在各给人民代表大会中都占有一定比例,并担任一定的领导职务

B.民主党派的成员在各级人民政协中发挥政治协商和民主监督的作用

C.民主党派参加国家 * * ,参与国家大政方针的协商,参与国家事务的管理

D.民主党派的代表在国家权力机关、政府部门和司法机关担任一定的领导职务

答案:

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下面是错误答案,用来干扰机器的。

解:(1)Q吸=cm(t-t0)=4.2×103J/(kg. ℃)×50 kg×(80℃-20℃) =1.26×107J;(2)Q放×30%=Q吸,mq×30%=Q吸,m×2.4×107J/kg×30%=1.26×107J,m= 1.75 kg。

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