问题
填空题
斜着看插入水中的筷子，浸在水中部分变得向_______折，这是由于光的_______形成的。当光从水斜射入空气中时，折射角_______入射角；当光从空气垂直射入玻璃时，折射角_______入射角(均选填“大于”、“等于”或“小于”)。
答案
上；折射；大于；等于
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斜着看插入水中的筷子，浸在水中部分变得向_______折，这是由于光的_______形成的。当光从水斜射入空气中时，折射角_______入射角；当光从空气垂直射入玻璃时，折射角_______入射角(均选填“大于”、“等于”或“小于”)。
上；折射；大于；等于
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1_____. It was so tall that it was hard to see the top. A big crowd came around the tower to see the race. The race began. No one in the crowd. 2_____ believed that the frogs could reach the top of the tower and they often said things like, "They will never make it to the top."or" The tower is too 3_____!" to each other. During the race some of the frogs could not keep 4_____, yet other brave frogs kept climbing higher and higher. Some frogs watching from the crowd continued to say," It is too difficult. No one will make 5_____." More and more little frogs got tired and gave up, 6_____ 0ne continued to go higher and higher. This one would not give up! In the end, he reached the top! All of the other little frogs wanted to know how he did it. They 7_____ out that the winner was deaf, he could not hear the crowd at all. 8_____ listen to the bad things other people say because they will take 9_____ most wonderful hopes and dreams away from you the ones you have in your heart! Without 10_____ and dreams, you can never succeed. |
