九年级英语上册期末复习：【语法填空题】专项训练2

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　　Light travels at a speed(速度) which is about a million times 1 . ________（fast） than that of sound.  2. ________ one second, light travels about 300,000 kilometers, but sound travels only 340 meters. You can get some idea of this difference by  3. ________  （watch）the start of a running match. If you stand far      4    from the starter(发令员), you can see smoke

　　come from his gun 5._______ the sound reaches your ears.

　　The fast speed of light produces some strange facts. The nearest star is 6. ________ far away that light which you can see from it tonight started to travel to you  four years  7. ________ at a speed of nearly two million kilometers every minute. The light from some of tonight's started on 8. ________（it） journey towards you even before you were born.

　　So, if we want to be    9    (诚实), we can’t say , " The stars are shining brightly tonight."  We have to say, " The stars look nice. They were 10. ________ (shine) four years ago but their light has just reached our earth. "

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