9.We also want to use the water to irrigate barren desert land.

　　A) hairless

　　B) bare

　　C) empty

　　D) bald

　　10.The steadily rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.

　　A) continuously

　　B) quickly

　　C) excessively

　　D) exceptionally

　　11.Hundreds of years ago cloves were used to remedy headaches.

　　A) disrupt

　　B) diagnose

　　C) evaporate

　　D) cure

　　12.John Hanson helped draft instructions for Marylands delegates to the Stamp Act Congress.

　　A) clarify

　　B) formulate

　　C) revise

　　D) contribute

　　13.Practically all species of animals communicate either through sounds or through a large repertory of soundless codes.

　　A) Simultaneously

　　B) Almost

　　C) absolutely

　　D) Basically

　　14.Americas emphasis on the importance of education for everyone has spurred scientific research.

　　A) encouraged

　　B) endangered

　　C) endorsed

　　D) enlarged

　　15.Photojournalist Margaret White became famous for her coverage of significant events during the Second World War.

　　A)baggage

　　B)orphanage

　　C)reportage

　　D)usage