【正文】 tC. such stiffD. such thing9.They say the cloud reduces the amount of sunlight ____________ the Earth39。s surface by as much as 15 percent.A. reachB. reachedC. reachingD. from reaching10.If you see dead fish floating on the river or notice that the water is discolored and ____________, you know the river has been polluted.A. smellB. smelledC. smellyD. smelt11.Sometimes the pollutants enter a food chain and accumulate ____________ they reach toxic levels, eventually killing fish and other animals.A. towardsB. toC. unlessD. until12.Although it is not an easy task, China is striving to ____________ the promise to cut its carbon dioxide emissions per unit of GDP by 40 to 45 in the next ten years.A. fillB. fulfillC. conductD. do13.Authorities have closed small, coalfired plants with a total ____________ of million kilowatts in the past four years.A. capacityB. abilityC. petenceD. volume14.At present, nonfossil energy ____________ only percent.A. counts upB. counts forC. accounts forD. accounts in15.People39。s lives are declining in the developing world where we are seeing the negative impacts felt ____________.A. at firstB. foremostC. first and secondD. first and foremostPart 8 Vocabulary and Structure(每小題: 1 分。滿分：15 分)小題得分對錯我的答案客觀1.1CC2.1DD3.1CC4.1CC5.1AA6.1DD7.1DD8.1BB9.1CC10.1CC11.1DD12.1BB13.0DA14.1CC15.0BDSubtotal: 13 老師評語： Click ONCE on the speaker icon to start listening!放音結束前請不要離開本頁。否則就聽不成啦!Part 9 Mark out the one expression that is NOT appropriate to plete the dialog.(每小題： 分)Directions: Identify the expression that is NOT appropriate to plete the dialog. 1.M: There39。re no rainforests in our country. They need hot, tropical climates.W: Come on. A rainforest is any forest where __________________________. Tropical rainforests can be found in hot, tropical areas, but there are also cool rainforests, including one in southeast Alaska.A. heavy rainfall leads to dense vegetationB. constant rain brings light growthC. trees and undergrowth flourish in the steady rain2.M: Wow, I39。m impressed. So what else have you learned?W: Most of the world39。s rainforests _______________________. They are disappearing at a rate of 100 acres a minute!A. are dangerous to extinction because of loggers, farmers and developersB. are in danger of destruction by loggers, farmers and developersC. have loggers, farmers and developers threatening their very existence3.M: I39。m sorry to hear that a big sandstorm hit this city a few days ago.W: It was too bad. ________________________ I had to wear a scarf around my head.A. The air was full of dirt and sand and dust.B. There was a lot of sand and dust in the air.C. The air filled with sand and dust.4.M: The dust, as I know, es from Mongolia.W: Yes. And from my reading in science, I39。ve heard ________________________.A. the dust often es after a long period of droughtB. the dust often rises after a long dry spellingC. the dust often appears after a long period without rain5.W: We need to plant more trees and grass so that the soil can stay where it is.M: No wonder ________________________.A. the government is launching a new afforestation program to address to the environmental problemB. the state is planning a new afforestation project to deal with the environmental problemC. the government is starting an afforestation program to improve the environmentPart 9 Mark out the one expression that is NOT appropriate to plete the dialog.(每小題: 1 分。滿分：5 分)小題得分對錯我的答案客觀1.0AB2.0(參見錄音)A3.0AC4.0AB5.0CA