某学习小组对“影响压力作用效果的因素”进行了探究，他们采取了如下的方法：甲图把小桌放在海绵上；乙图在小桌上放一个砝码；丙图把小桌翻过来，桌面朝下并在它上面放一个砝码．通过海绵被压下的深浅显示压力作用效果．如下结论或说法中错误的是（　　）

​

Early Life

    Stephen Hawking was born in Oxford, England on January 8, 1942. He____in a highly educated family. Stephen enjoyed math and science in school where he earned the nickname “Einstein.” He wanted to study math at university but Oxford didn't have a math ____at the time so he chose physics and chemistry instead. Stephen found college coursework to be very easy.  He enjoyed being a member of the schools boat club____ classical music. In October 1962 he started his graduate course at Trinity Hall. It was at this time that his illness started to show up. His speech became unclear and he became very clumsy, often dropping ____ or falling for no reason. However, he finished his PhD and wrote about black holes in his graduation paper.