2004年6月19日,黄河第三次调水调沙试验开始实施,并取得了积极的效果。在这次试验

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问题:

2004年6月19日,黄河第三次调水调沙试验开始实施,并取得了积极的效果。在这次试验中,首次尝试人工扰沙清淤,这在世界水利史上还是第一次。这说明

A.理性认识的作用是巨大的

B.认识、改造世界离不开发挥主观能动性

C.人类可以随便摆布自然

D.人的认识能力是无穷尽的

考点:普通考研考研政治考研政治36
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根据短文内容,判断以下句子的正误。你认为正确的句子请在答题卡的相应位置上涂( T ).错误的涂( F ).

The US President

You may know that President(总统) Obama is very busy, but he has time to go to the school to visit students. He tells them about his life. He says that he learns a lot from his mother. He also asks students to work hard at school.

To help students to be better, the President has some good ideas(主意) for them. First, go to school on time(按时) every day. Second, listen to teachers well in class. Thirdly, do their homework every day and don’t watch too much TV.

Please do as what the President says and you can be successful one day.

小题1:President Obama is very busy.

小题2:Obama learns a lot from students.

小题3:Obama asks the students to work hard at school.

小题4:The President tells students to watch TV every day.

小题5:There are two ideas from President Obama.

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“鸭的只数和鸡的
1
5
相等”,这里是把______看作单位1.
题型:单项选择题

下列叙述正确的是

A.显示器既是输入设备,也是输出设备

B.使用杀毒软件可使杀死一切病毒

C.温度是影响计算机正常工作的重要因素

D.喷墨打印机属于击打式打印机

题型:单项选择题

You can't watch TV _____ you finish your homework. [ ]

A. before

B. if

C. while

D. as

题型:单项选择题

蒸汽锅炉上锅筒内部有改善锅水品质的()。

A、定期排污装置

B、连续排污装置

C、下降管

D、汽水分离装置

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