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问题 选择题

伽利略在自由落体运动的研究中，其科学研究方法的核心是（　　）

A．把提出问题和大胆猜想结合起来

B．把提出问题和实验研究结合起来

C．把实验研究和逻辑推理结合起来

D．把实验研究和大胆猜想结合起来

答案

伽利略在对力和运动的研究中，伽利略设想了理想斜面实验，否定了亚里斯多德力是维持物体运动原因的理论，将实际实验现象合理外推，开创了将实验和逻辑推理结合起来的研究方法．故ABD错误，C正确．

故选：C

阅读理解

阅读匹配（共5小题；每小题2分，满分10分）

阅读短文，从所给的A—F六个选项中，选出正确的选项填空，使短文通顺．内容完整。并在答题卡上将该编号字母涂黑。

I had a wish to go abroad for a very long time．小题1:Now I’m studying in the USA． My wish comes true but I am not happy here． I want to go back to China because I hate the food in the USA．小题2:They also like fast food and fried chicken very much． But I don’t like such food．小题3:There are many different kinds of food in China．小题4:So, I often go to the Chinese restaurants in America． The food there is nice but it is very expensive In fact 小题5:．

A．But I have no chance at all

B．the American people also like Chinese food very much．

C．I like Chinese food

D．People in the USA eat a lot of bread．E．Finally a good chance came．

F．They are all very delicious．
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单项选择题

属于冷却系统的部件是（）。

A.机油冷却器

B.输油泵

C.喷油泵

D.水泵
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