1、.Some scientists have suggested setting a noise9of one hundred and twenty decibels in oceans. They have10that noises at that level can frighten and confuse whales.A team of American and Canadian scientists discovered that louder noises can seriously11some animals. The research team found that powerf
2、ul underwater explosions were causing whales in the area to lose their12. This seriously affected the whales ability to13information and find their14. Some of the whales15died. The explosions had caused their ears to bleed and become16Many researchers whose work17on ocean sounds are against a limit
3、of one hundred and twenty decibels. They say such a limit would18an end to important industrial and scientific research. Scientists do not know how much and what kinds of noises are19to ocean animals.20, many scientists suspect that noise is a greater danger than they believed. They want to stop noi
4、ses from harming creatures in the ocean.1. A. infect B. effect C. affect D. damage2. A. beings B. activities C. behavior D. life3. A. primarily B. hardly C. partly D. mainly4. A. added B. devoted C. attached D. refer5. A. human beings B. scientists C. animals D. researchers6. A. measured B. found C.
5、 tested D. examined7. A. leads B. causes C. applies D. adapts8. A .result B. level C. degree D. effect9. A. limit B. regulation C. standard D. ban10. A. suggested B. believed C. observed D. noticed11. A. harm B. injure C. kill D. save12. A. ability B. life C. way D. hearing13. A .exchange B. use C.
6、find D. change14. A. home B. way C. partner D. food15. A. finally B. unfortunately C. even D. mere16. A. deaf B. infected C. blind D. ill17. A. depends B. spies C. focuses D. lives18. A. put B. mean C. ensure D. bring19. A. useful B. harmful C. dangerous D. disadvantageous20. A. Therefore B. Otherwi
7、se C. However D. Besides答案：1-5CBDAC 6-10ABDAC 11-15BDABC 16-20BABBC（2）“Save the whales！” Thats what the picture on Jake Smiths bedroom wall said. Jake likeda picture that said something important and showed what he cared. He just neverto get a chance to save a real whale, one right in his own. It wa
8、s a Saturday morningthe newspaper first reported the whales coming. A group of the animals were swimming close to the beach in Jakes hometown. All the local peopleout to the beach to see them. They were expecting a beautiful, better than a movie, but nothing theyd have to do anything about.Then one
9、whale swam in their, directly towards land. It came in with the waves, and when the waves receded，it. Its huge bodyon the sand. Suddenly, Jake and his family and all the others were no longer sightseers. They had to become rescuers. A few people ran towards the animal. Theyand tried to force the wha
10、le back into the water, but it was no use.An animal rescue service team soon arrived in a truck with heavy lifting machinery, to help move the. Jake and his family couldnt do much on the beach, so they went back to their house and made sandwiches and hot tea for the. At least, Jake thought, they cou
11、ld help in some way.Back at the beach, theythe food to the rescuers and were happy to see that it was needed. It was getting dark. Some peopleup their cars along the beach andthe headlights on the sand. The rescuers would not. After trying many times they were finally able to lift the whale into the
12、. Everyonewhen it headed out to sea. It swam out about a mile and thenfor a moment under the sea. Then, in what looked like a jump of, it rose high above the watera thankyou to those who had worked so hard to save its life.1. A. taking B. having C. drawing D. making2. A. happened B. wanted C. decide
13、d D. expected3. A. neighborhood B. effort C. family D. dream4. A. when B. that C. while D. as5. A. came B. gave C. rushed D. went6. A. show B. film C. experience D. view7. A. way B. home C. direction D. beach8. A. stopped B. stayed C. lay D. turned9. A. rested B. trapped C. kept D. lied10. A. drove
14、B. pushed C. supported D. remained11. A. survivor B. sand C. animal D. people12. A. whales B. villagers C .rescuers D. neighbors13. A. offered B. sold C. supplied D. devoted14. A. stopped B. started C. climbed D. lined15. A. turned B. showed C. switched D. shined16. A. give in B. give up C. give off
15、 D. give away17. A. car B. truck C. water D. beach18. A. stood B. smiled C. cried D. cheered19. A. appeared B. disappeared C. jumped D. rested20. A. excitement B. anger C. dance D. joy1-5BDAAC 6-10ACBAB 11-15CCADD 16-20BCDBD（3）Around the world there is an increase in the demand for reforestation. Th
16、is isthe consumption of the forests has affected not only theliving in the area but also the people. And reforestation is about theof the forests that have been severely. It can offer a lot ofwhen the recreation is successful.There are many things to be done when it comes to this type of effort. Thi
17、s includes collecting seedlings that arein the area to make sure that there is a natural reconstruction of the area. Sometrees which are not native in the area also need to be. It is important to make sure that they are suited to theand the type of soil. The importance of havingspecies of trees is c
18、onsidered to make sure that the needs of other species that will live and grow in the area areDestroying a forest is easy but rebuilding it is really hard. So a good plan is needed to make the reforestation a successful one. The plan must include accurateon plants and trees. This is to ensure that t
19、hey wonteach other while they grow. Keep in mind that you cant just plant the seedlings anywhere. The forest greatly helps in theof the air pollution. Trees arefor the production of oxygen and absorption of carbon dioxide. The forest alsous from typhoons and other natural disasters. It is there forj
20、ust like everyone else on this planet.There cannot be a better way tothe balance of nature than to increase the forest area. We must remember that the forest is a naturalof wide variety of animals and plants. In this manner, there is nofor reforestation.1. A. why B. because C. when D. where2. A. ani
21、mals B. insects C. flowers D. grass3. A. renewing B. reusing C. recycling D. rebuilding4. A. attacked B. ruined C. destroyed D. damaged5. A. benefits B. profits C. relics D. shelters6. A. foreign B. strange C. original D. native7. A. traditional B. additional C. functional D. national8. A. cut B. pl
22、anted C. protected D. replaced9. A. climate B. weather C. surrounding D. environment10. A. rare B. dying C. endangered D. multiple11. A. met B. included C. destroyed D. cut12. A. placing B. pacing C. spacing D. fertilizing13. A. exclude B. cover C. appeal to D. crowd14. A. production B. creation C.
23、reduction D. protection15. A. famous B. good C. responsible D. bad16. A. stops B. keeps C. saves D. protects17. A. a reason B. the better C. the sake D. all18. A. keep B. restore C. break D. lose19. A. resource B. place C. habitat D. mother20. A. reason B. good C. use D. substitute1-5BADCA 6-10DBBAD
24、 11-15ACBCC 16-20DABCD（4）Last year when I took a sightseeing trip to Washington D.C, I heard a voice say, “Can you help me?” When I, I saw an elderly blind womanher hand extendedImmediately, Iall of my change and placed it on her hand without even looking at herBut the blind womanand said, “I dont w
25、ant your moneyI just need help finding the” In an instant, Iwhat I had doneI acted with prejudiceIanother person simply for what I assumed she had to beI hated what I saw in myselfThe thing I hadabout myself is that I am anI left Honduras and arrived in the US at the age of 15I started mylife with t
26、wo suitcases, my brother and sisterThrough the years, I have been a doorkeeper, cashier and pizzadriver among many other humble（卑微的）jobs, andI became a network engineerIn my own life, I haveprejudiceI remember a timeat the age of 17when I was a busboy, I heard a father tell his little boyhe did not
27、do well in school, he wouldlike meBut now, living in my American middle-class lifestyle, it iseasy to forget my past, to forget who I am, where I have been, and tosight of where I want to be going. That blind woman on the streets cured me of mySheme of my belief in humility（谦虚）By the way, I helped t
28、hat lady to the post officeI hope to thank her for the priceless1. A. turned back B. turned around C. turned up D. turned down2. A. on B. in C. with D. at3. A. pulled out B. pulled up C. pulled in D. pulled down4. A. shrugged B. laughed C. smiled D. burst5. A. police station B. bank C. bus station D
29、. post office6. A. forgot B. recalled C. realized D. remembered7. A. judged B. regarded C. found D. considered8. A. forgotten B. thought C. learnt D. dreamed9. A. actor B. immigrant C. engineer D. American10. A. hard B. new C. different D. difficult11. A. delivery B. truck C. bus D. taxi12. A. coincidently B. fortunately C. eventually D. unfortunately13. A .experienced B. found C. learnt D. realized14. A. though B. if C. that D. when15. A. give u
