完形填空。 Have you ever seen the new way of __ 1 __ fresh water? Here is an example. First, people make some long ponds (池塘) which are about half a meter __ 2 __. Then they __ 3 __ a cover (盖子) over each pond. The cover is made of glass that you can see through. At night, sea water __ 4 __ into the ponds. The __ 5 __ day, the __ 6 __ sun shines through the covers. The sun light __ 7 __ the water into vapor (水蒸气) that goes up from the __ 8 __. As it goes up, the vapor becomes mist (薄雾).On the inside of each cover the little drops of mist run together to make big drops. People then __ 9 __ these big drops through a special conduit (管道). Then the ponds are ready for the next day's work. __ 10 __ we know, the covers and other parts of the ponds cost very little. Sea water and the sun cost nothing. So this new way of getting fresh water seems wonderful. (     ) 1. A. taking (     ) 2. A. deep (     ) 3. A. raise (     ) 4. A. takes (     ) 5. A. last (     ) 6. A. beautiful (     ) 7. A. turns (     ) 8. A. ponds (     ) 9. A. buy (     ) 10. A. Which B. making B. thick B. tie B. is taken B. third B. nice B. brings B. covers B. collect B. Since C. getting C. high C. fetch C. is taking C. first C. hot C. becomes C. cups C. drink C. For D. bringing D. wide D. put D. taken D. next D. Warm D. gets D. glass D. clean D. As