All life is sound. We are constantly surrounded by sounds and noises made by nature and everything in (1 ). For thousands of years man (2) speaking and singing，and thanks to his wonderfully constructed ears，perceiving sounds and noises，(3 )they are but a small part of the inconceivable(难以想象的)wealth of sounds filling the universe. Children everywhere and almost without( 4 ) are born with musical abilities，with voices，and with hearing. The difference lies merely ( 5 ) what they do with these gifts. That (6 ) according to temperament，upbringing，nationality，and time.Nature itself is full of ( 7 ) ，full of music. Musical sounds existed millions of years (8) there was a human ear to hear (9)：the soft bubbling of the water，the roll(隆隆声)of (10 )，the whispering and rustling of leaves in the wind and( 11 ) knows how many other audible(听得见的)manifestations of nature. Man was (12) into a world of sound. Thunder filled him with fear and became a ( 13) of supernatural powers. In the roar of the wind he heard the voice of demons. Dwellers at the seashore judged the temper of the gods by the sound of the waves. Religious rites(仪式)and music (14 ) inseparable ( 15) the dawn of humanity.

1.A. this B. it C. there D. here

2. A. has been B. had been C. have D. has

3. A. yet B. even C. so D. although

4. A. experience B. knowledge C. exception D. foundation

5. A. beyond B. at C. on D. in

6. A. varies B. differs C. contradicts D. contrasts

7. A. noise B. sounds C. music D. gifts

8. A. when B. before C. ago D. while

9. A. sound B. music C. them D. it

10. A. valley B. lightning C. light D. thunder

11. A. who B. whoever C. somebody D. anybody

12. A. sent B. brought C. got D. born

13. A. sigh B. symbol C. sight D. sign

14. A. is B. was C. were D. are

15. A. in B. on C. by D. at