每個(gè)句子中均有一個(gè)詞或詞組用斜體字型，請(qǐng)從四個(gè)選項(xiàng)中選擇一個(gè)與斜體部分意義相近的詞或詞組代替或解釋句中的劃線部分。

　　11. The duty of a soldier is to defend his country.

　　A. resist B assure C guard D contribute

　　12. The revised proposals were debated.

　　A distasteful B rejected C unclear D amended

　　13. As the rubber business declined in south America, Brazil turned to the production of coffee.

　　A was prosperous B failed C was on an incline D was kept back

　　14. If you want to do the job, you must conquer your fear of heights.

　　A oppose B fight C hide D overcome

　　15. That new device can regulate the amount of oil that goes into the truck.

　　A reduce B relate C control D process

　　16. We would much appreciate it if you could do us a favor.

　　A enjoy B be surprised by C be astonished by D be thankful for

　　17. I hope you have left none of your belongings in the hotel.

　　A document. B possessions C children D clothes

　　18. New duties were imposed on wines and spirits.

　　A removed B cut C charged D checked

　　19. The readers always ask what the author's basic motives are.

　　A talents B intentions C themes D symbols.

　　20. Computers will flourish because they enable us to accomplish tasks that could never before have been undertaken.

　　A implement B render C complete D assign

　　11.C 12.D 13.C 14.D 15.C 16.D 17.B 18.C 19.B 20.C