题型:完形填空 题类:常考题 难易度:普通
广东省肇庆市第四中学2015-2016学年八年级上学期期末考试英语试题
The world 1 many interesting sounds. Some are unpleasant to our ears while 2 are very pleasant to hear. In single day you probably hear 3 sounds. All sounds are different. Some 4 loud, some sounds are high, others are low, some sounds are useful.
5 sound we can't talk or listen to each other. The ringing of the alarm clock wakes people up. The hooting(鸣笛声)of a car warns people of danger.
Some sounds are harmful. When planes fly low 6 the land; the very loud sounds can damage the house. Very loud sound can even make people deaf.
We know sound travels about one kilometer in three 7. In a thunder(雷)storm you see the lighting first and then hear the thunder. This is because light travels 8 than sound.
Next time you see lighting count the number of seconds before you hear the thunder.
Divide(分成)this number 9 3. This will tell you 10 kilometers away the thunder storm is.
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