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【简答题】
设计实验证明酸性强弱顺序:HCl> H 2 CO 3 >H 2 SiO 3 。 (1)写出实验原理的化学反应方程式____。 (2)设计本实验所依据的化学原理是____。 (3)实验中必须用到的药品有________,所需的实验仪器有________。
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【单选题】党的十九大报告指出:“要转变政府职能,深化简政放权,创新监管方式,增强政府公信力和执行力,建设人民满意的服务型政府。”要建设人民满意的服务型政府主要是因为( ) 1人民是国家的主人 2行政机关的权力来自人民的授予 3行政机关是由人民选举的代表组成的 4行政机关在国家权力体系中居于最高地位
A.
①②
B.
①③
C.
②④
D.
③④
【简答题】简述环境的特性
【单选题】Consider the following argument: “If we admit that infants have a right to life, then we must also admit that third trimester fetuses have a right to life. But if we admit that third trimester fetuses...
A.
conceptual slippery slope argument.
B.
fairness slippery slope argument.
C.
causal slippery slope argument.
D.
argument from the heap.
E.
none of the above
【单选题】曲轴后端的回油螺纹的旋向应该是
A.
与曲轴转动方向相同
B.
与曲轴转动方向相反
【单选题】We have to admit that the biggest___________ facing the ecosystem is limited resources and the worsening environment.
A.
mission
B.
challenge
C.
scale
D.
contribution
【单选题】党的十九大报告指出,要转变政府职能,深化简政放权,创新监管方式,增强政府公信力和执行力,建设人民满意的( )政府。
A.
保姆型
B.
服务型
C.
阳光型
D.
公开型
【简答题】简述环境污染的特征。
【单选题】If we were asked exactly what we were doing a year ago, we should probably have to say that we could not remember. But if we had kept a book and had written on it an aceount(记录) of what we did each da...
A.
Remembered history, compared with written history, is less reliable.
B.
Written records of the past play a most important role in our learning of the human history.
C.
A written account of our daily. activities helps us to be able to answer any questions.
D.
Where there are no written records, there is no history.
【简答题】简述环境法的特征。
【判断题】几个电容元件相串联,其电容量一定增大。
A.
正确
B.
错误
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