题目内容

ZX10-03-20在某个惯性系中有两个事件,同时发生在不同地点,而在对该系有相对运动的惯性系中,这两个事件却一定不同时。

A. 对
B. 错

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ZX10-03-21狭义相对论认为物体长度的测量是相对的,与惯性系的选择有关。

A. 对
B. 错

ZX10-03-22每个惯性参考系中观察者都会认为运动的钟比自己的钟走的慢。

A. 对
B. 错

ZX10-03-23每个惯性参考系中的观察者都会认为与运动方向平行的运动尺子比自己的同类尺子短。

A. 对
B. 错

Banked ClozeDirections: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in the word bank. Each choice in the bank is identified by a letter. Please fill in the banks with the letter. You may not use any of the words more than once.In January 2011, Daniel Hernandez saved congresswoman Gabrielle Giffords' life in a mass shooting in Tucson. He kept her alive by 1)______pressure to her wounds and speaking 2)______words of sympathy until medical people arrived. He was 3)______as a hero by the public. Although his devotion to public service is 4)______, in his bookThey Call Me a Hero: A Memoir of My Youth, Hernandez insists that he is not a hero.Hernandez said that he initially resisted the idea of writing a book about his experience on that day of enormous 5)______. "I had been 6)______by a few publishers after the incident," he said. "I thought heroes should be people who make a lifetime 7)______to helping others."However, Hernandez, now a school board member, had come to realize that he would be interested in writing a book 8)______on his public service." As a young official, I've faced some big challenges, and I want young people to know that they need to face challenges and 9)______themselves in their communities."When asked if he had any plan with a second book, Hernandez said his major purpose at present was to continue to serve his community and pursue his passion as a(n) 10)______for education. "But I'm not going to say no," he said.

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