一道短文改错the world is full with many interesting sounds.some ar

一道短文改错
the world is full with many interesting sounds.some are pleasant to our ears when others are not.in a single day you probably hear hundred of different sounds .some may be softly .others may be loud .some are high .others are low .some sounds are harmful .when planes fly low over the land ,the very loud sounds can cause damage for houses .they can even make people deaf .we know light travels fast than sound .that's why we see the lightening first and then hear the thunder in a thunderstorm .
一共好像有9处错的地方，1处对的