根据首字母提示,用适当的单词填空,完成短文Suppose you see a coin on the bottom of a swimming pool and want to dive for it.W_____ do you aim?You should not aim at the coin!When l____ rays go into the water,they bend.The light rays ref
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根据首字母提示,用适当的单词填空,完成短文Suppose you see a coin on the bottom of a swimming pool and want to dive for it.W_____ do you aim?You should not aim at the coin!When l____ rays go into the water,they bend.The light rays ref
根据首字母提示,用适当的单词填空,完成短文
Suppose you see a coin on the bottom of a swimming pool and want to dive for it.W_____ do you aim?
You should not aim at the coin!When l____ rays go into the water,they bend.The light rays reflected off the coin are bent as they pass t________ the water to your eyes.The b____ of light rays as they pass from one material to a ____ is called refraction
Refraction changes the d______ of the rays.The light rays are refracted at an a____ as they pass from the water into the air.
This e____ why it is hard for you to locate the coin.So w____you dive in for the coin,you should aim in f____ of it .
根据首字母提示,用适当的单词填空,完成短文Suppose you see a coin on the bottom of a swimming pool and want to dive for it.W_____ do you aim?You should not aim at the coin!When l____ rays go into the water,they bend.The light rays ref
1.Where
2.light
3.through
4.bias
5.air
6.direction
7.angle
8.effects
9.when
10.front
这是在讲光由一种介质斜射入另一种介质时会发生折射
What
see
through
bunch
another
direction
angle
explains
when
front
What
see
through
bunch
another
direction
angle
explains
when
fro
What
see
through
bunch
another
direction
angle
explains
when
front