英语缺词填空,请尽快回答,这是今天的家作
英语缺词填空,请尽快回答,这是今天的家作
Light travels very fast Maybe we never n____ it because light seems to be everywhere.
It helps us to see the world a____ us.But in fact ,in the vacuum(真空) of space.light travels at 186282 miles per s____ In water it travels at 140000 miles per second .The light we see f____ the stars actually came out a long time a_____ ,because stars are so f______ away .so when you look u____ into the night sky ,you are actually l_____ at how the universe was t_____ of years ago .Cool ,huh?
Light travels very fast Maybe we never n____ it because light seems to be everywhere.
It helps us to see the world a____ us.But in fact ,in the vacuum(真空) of space.light travels at 186282 miles per s____ In water it travels at 140000 miles per second .The light we see f____ the stars actually came out a long time a_____ ,because stars are so f______ away .so when you look u____ into the night sky ,you are actually l_____ at how the universe was t_____ of years ago .Cool ,huh?
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