Question

完形填空。

The world    1    many interesting sounds. Some are unpleasant to our ears while    2    are very pleasant to hear. In a 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 not talk or listen to each other. The ringing of the alarm clock wakes people up; the hooting 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 storm you see the lighting first and then hear the thunder.       This is because light travels_8_ than sound. Next time you see lightning, count the number of seconds before you hear the thunder.      Divide this number    9   3. This will tell you   10   kilometers away the thunder storm is. (     ) 1. A. full of   (     ) 2. A. others     (     ) 3. A. hundreds of  (     ) 4. A. may       (     ) 5. A. of         (     ) 6. A. in         (     ) 7. A. hours     (     ) 8. A. more fast   (     ) 9. A. in         (     ) 10. A. how mach    B. fill with   B. the other   B. hundred of   B. Maybe     B. with       B. on         B. days       B. much faster      B. of         B. how many   C. is filled of    C. another        C. Hundreds        C. may be           C. without         C. above           C. minutes       C. more faster     C. by             C. how       D. is filled with   D. the others       D. hundred          D. can              D. By               D. over                             D. seconds (秒)      D. much faster    D. at                D. how long

Answer 1

1-5: D A A C C      6-10: D D B C B