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Waves are beautiful to那道阅读

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Waves are beautiful to那道阅读
Waves are beautiful to look at,but they can destroy ships at sea,as well as houses and buildings near the shore.What causes waves?Most waves are caused by winds blowing over the surface of the water.The sun heats the earth,causing the air to rise and the winds to blow.The winds blow across the sea,pushing little waves into bigger and bigger ones.
if the wind is strong enough,the waves will be big enough.and if the winds blow longer,the waves will be larger.in a small river there eill never be big waves.but at sea the wind can build up great waves.
if the wind is blowing at ten kilometers an hour,most waves at sea will be about one meter high.if it is blowing at one hundred and
twenty kilometers an hour,most waves will be about twelve meters high.in 1933 the USN reported the largest wave in history.it rose to thirty-four meters high.
1.Though waves look beautiful,they do____things to people.
2.Waves are made by _____.
3.The size of a wave is decided by____factors.
4._____metres high.
5._____metres an hour.
Waves are beautiful to那道阅读
1.Though waves look beautiful,they do_bad___things to people.
2.Waves are made by __winds blowing over the surface of the water___.
3.The size of a wave is decided by__five__factors.
4._____metres high.
5._____metres an hour.
If the wind is blowing at ten kilometers an hour,most waves at sea will be about one meter high.
If it is blowing at one hundred and twenty kilometers an hour,most waves will be about twelve meters high.
4,5题好像不太完整,但一定会从以上两个句子中找到答案的.