张学良回忆（1901年—2001年）说：“我的事情是到36岁，以后就没有了……从21岁到36岁，这就是我的生命。”张学良“36岁”时发生的重要历史事件是(     )

材料一：2017年8月25日、9月10日，来自大西洋上的四级超强飓风“哈维（Harvey）”和“艾尔玛（Irma）”接连侵袭美国，这两次毁灭性的飓风对美国得克萨斯州、佛罗里达州等地区造成数千亿美元的经济损失。

材料二：美国第58任总统特朗普于2017年1月20日宣誓就职。其在竞选纲领中宣称将在美国墨西哥边境修建围墙，以限制来自墨西哥的非法移民。下图为北美局部区域图。

根据短文理解, 从A、B、C、D四个选项中选择最佳答案填空。

    There are robots all around us. Some do very 1   jobs like flying planes and driving subway trains. And some do simple jobs.

    When an automatic自动的) washing machine   2 , water goes in. The machine wait until the water is hot  3   washing the clothes. It does this by "feedback(反馈)". Information about what's happening is fed back into the robot to tell it   4  to do next.

    Our eyes, ears and other senses are our feedback. They tell us   5  around us. So robots are like people in   6 ways. They work and they have feedback.

    But   7   robots look like people. Many are hidden away. Robots control the temperature o f our houses, our cookers, our hot water systems.  We can set the controls to the temperature we want. The robot does 8  . Its feedback usually comes from a thermostat（自动调湿器）.

    One kind of thermostat is a strip(细长片) of metal, which bends(弯曲) when it gets hot. At the right temperature, it bends just enough to work a switch. This turns   9 the heat. As the air around it gets 10   , the metal gets straight, and this turns the heat on again.

加线字读音相同的一组是（      ）