【正文】 live on v．繼續(xù)生活，靠……生活depression n．沮喪，蕭條Great Depression 大蕭條Passage 22CrisisLife is a contest! Who will win? A bluebird and sparrow both pete for space to build their nests. A fastgrowing maple tree and slowergrowing dogwood pete for the sunlight they both need. Oil petes with coal and nuclear power as an energy source for electric power plants.There is a problem. There is a limited amount of space for birds, sunlight for trees, and energy for people! If we do not cut back on our uses of some of our resources, someday they will be gone!How can we use energy today and know we will have enough to go around in the future? We can choose alternate, or replacement, energy resources. It takes the earth millions of years to create coal, oil, and gas. They are nonrenewable resources.Solar energy, wind energy and water energy are renewable. What other ways can we conserve our resources? How can we make sure there is always enough to go around? (159 words)Useful Words and Expressions:bluebird sparrow n．[鳥]麻雀pete for為……競爭maple n．［植］楓，楓木dogwood n．山茱萸nuclear power n．核動力power plant n．發(fā)電廠，發(fā)電站alternate n．替換物replacement n．代替者；替換物nonrenewable resources不可再生資源conserve vt．保存，保藏conserve one39。destructive adj．破壞（性）的seismic adj．［地］地震的seismic waves震波bounce v．（使）反跳，彈起bounce back彈回vacuum n．真空figure out v.．合計為，計算出GPS abbr. Global Position System全球定位系統(tǒng)orbit n．軌道 vt．繞……軌道而行receiver n．接收器Where are you heading for？你往哪兒去？You39。 bright colors. They also like a sugary liquid in flowers. This is called nectar. While they drink nectar, pollen rubs off on their bodies. As they move, some of this pollen gets delivered to the female flower parts.Over time, the female parts turn into fruits that contain seeds. Animals often eat the fruits and the seeds pass through their bodies as waste. The animals do not know they are working for the plants by planting seeds as they travel to different places! (147 words)Useful Words and Expressions:flowering adj. 開花的pollen n．花粉vt．傳授花粉給powdery adj，粉狀的sugary ，甜的sugary foods甜食sugary pliments奉承a sugary smile甜蜜的一笑nectar n．花蜜，甘露taste the nectar of success嘗成功之甜果rub v．擦，摩擦rub along和諧相處rub off擦掉，擦破rub out把（記號、筆記、筆跡等）擦掉organism n．生物體，有機體respond v．作出反應(yīng)squirrel n．松鼠nut n．堅果，難解的問題a hard [tough] nut to crack棘手之事；難對付的人a tough nut果斷頑強的人；難對付的人，無賴漢deaf nut注定失敗的計劃。crash n．碰撞，撞擊聲Passage 16A Qualified PilotThe captain of a small ship had to go along a rocky coast, but he was unfamiliar with it, so he tried to find a qualified pilot to guide him. He went ashore in one of the small ports, and a local fisherman pretended that he was a pilot because he needed some money. The captain took him on board and asked him where to steer the ship.After half an hour the captain began to suspect that the fisherman did not really know what he was doing and where he was going.Are you sure you are a qualified pilot? he asked.Oh, yes, answered the fisherman. I know every rock on this part of the coast.Suddenly there was a terrible crash from under the ship. At once the fisherman added, And that39。The fault lies with me, not with you. 這是我的責任，不是你的責任。t you think of that before you married him?(148 words)Useful Words and Expressions:fault ，缺點，毛病Who broke the cup?It39。ll be ready next Wednesday. You can get them from studio.No, said,please send them to us. The photographs arrived a week later, but Mrs. Williams was not happy when she saw them. She got into her car and drove to the photographer39。s luggage寄存行李，打行李票luggagerack（火車上的）行李架excess luggage超重行李hand luggage手提行李（旅客隨身攜帶）personal luggage 隨身（小件）行李registered luggage托運的行李package n．包裹，包［dweller n．居住者，居民dwell vi．居留；居住dwell in the country y住在鄉(xiāng)下」dwell in someone39。m sure you39。Passage 13A Kind NeighborMr. and Mrs. Jones39。Passage 12A Young Man39。It Is very late；hence you must go to bed．時間已經(jīng)很晚了，因此你必須睡覺去。pass n．指南針beyond sb.39。s eye level at the checkout. While parents are waiting to pay, children reach for the sweets and put them in the trolley.More is bought from a fifteenfoot display of one type of product than from a tenfoot one. Customers also buy more when shelves are full than when they are half empty. They do not like to buy from shelves with few products on them because they feel there is something wrong with those products that are there. (166 words)Useful Words and Expressions:aisle n．走廊，過道roll them in the aisle ［口」使（觀眾）捧腹大笑knock them in the aisle 使（觀眾）捧腹大笑lay them in the aisle 使（觀眾）捧腹大笑rock them in the aisle 使（觀眾）捧腹大笑have them rolling in the aisle 使（觀眾）捧腹大笑trolley n．手推車checkout（超級市場等的）收款臺Passage 6The United Nations In 1945, representatives of 50 nations met to plan this organization. It was called the United Nations. After the war, many more nations joined.There are two major parts of the United Nations. One is called the General Assembly, in the General Assembly, every member nation is represented and has an equal vote.The second part is called the Security Council. It has representatives of just 15 nations. Five nations are permanent members: the United States, Russia, France, Britain, and China, The 10 other members are elected every two years by the General Assembly.The major job of the Security Council is to keep peace in the world. If necessary, it can send troops from member nations to try to stop little wars before they turn into big ones.It is hard to get the nations of the Security Council to agree on when this is necessary. But they did vote to try to stop wars. (156 words)Useful Words and Expressions: Representative n．代表General Assembly聯(lián)合國大會permanent adj．永久的，持久的permanent address固定地址permanent tooth成人齒a permanent Job 固定職業(yè)a permanent mittee常設(shè)委員會Security Council troop n．軍隊tend to v. 有某種傾向；有……的趨勢He tends to pitch the ball too high．他往往把球擲得過高。s real life deals with the law. Most of what he learns is the law. He has