VOA慢速英语《农业报道》文本：第27课.doc

1、英语翻议讲解：这里是VOA特别英语农业报道。上周我们的话题是非法捕鱼。现在，我们将报道两个案例，鱼类既是受害者又是侵犯者。第一个案例涉及两种亚洲鲤鱼：大头鱼和银色鲤鱼。他们最多可以生长到超过一米，体重高达45千克。他们会吃掉其他鱼类赖以生存的大量浮游生物。银色鲤鱼可以跳的很高，甚至袭击划船者。上世纪70年代，亚洲鲤鱼作为一个解决方案被引入美国。他们被引入是为了食用海藻和其他微生物。它们作为清洁者被投放在密西西比河沿岸的渔场和废水处理系统。但是现在，这些鱼类向北方的五大湖区域游动。他们正前往几年前修建的连接密西西比和密歇根湖的系统。鲤鱼的入侵会造成环境和经济双方面的危险。这种破坏性的鲤鱼会在五大

2、湖内迅速蔓延，威胁到渔业和贸易活动。陆军工程兵团在芝加哥环境卫生和航行运河(Chicago Sanitary and Ship Canal)设立了电网。该水下障碍是为了点击鲤鱼，使他们返回。在设立障碍的部分地区，遭遇毒害的数千种鱼类中只有一只是亚洲鲤鱼。然而，该障碍不足够保护五大湖区。国会呼吁采取紧急行动。官员们可以关闭密西根湖和北密西西比河系统之间的运输航道。但是目前还没有做出决定。中西部也是这种情况。在偏远的西部地区出现了普通鲤鱼的问题。犹他州的官员希望将犹他湖四分之三的鲤鱼移走。犹他湖位于普罗伏市附近，是犹他州最大的自然淡水源。犹他州希望将数百万鲤鱼转移，以保护犹他湖特有的濒危物种琼裂鳍

3、亚口鱼。鲤鱼吃掉了琼裂鳍亚口鱼作为栖息地的植物。上世纪80年代鲤鱼作为食物来源首次被投入犹他湖。现在，鲤鱼数量众多。专家称，在几年之内，每天可以用网捕捉20公吨。但是官员们正在思考怎样处理这些鱼，因为这些鱼的味道非常难闻。现在已有人提议用来填埋土地或制成液体肥料，或者找人来吃。关于这一点，你有什么好的想法呢？1.offender n.罪犯,无礼的人,得罪人的人例句：The offender apologized when he sobered up. 冒犯者醒酒后道了歉。动词形式：offend vt.触怒; 得罪；冒犯例句：I think I never offend you. 我想我从没有触

4、犯过你。2.weigh link-v.重达 例句：This marble ramp weighs one ton. 这个大理石台阶重一吨。这个词还有另外一个意思：权衡; 考虑 例句：The point deserves to be carefully weighed. 这一点值得慎重考虑。3.algae n.藻；海藻 例句：The green covering on top of the water in the pond is algae. 池塘水面上绿色的东西是水藻。4.toward prep.向, 朝 例句：He headed toward the station. 他向车站赶去。5.d

5、estructive adj.引起破坏（或毁灭）的；破坏（或毁灭）性的 例句：It is the most destructive storm in 20 years. 这是20年来破坏性最大的一次风暴。 In the end, it will be destructive of our whole society. 它最终会毁灭我们整个社会。6.upper adj.较高的, 上部的 例句：He is a member of the upper house of legislature. 他是上议院的成员之一。7.smelly adj.发出难闻气味的;有臭味的 例句：The toilets i

6、n that restaurant were horribly smelly. 那个餐馆的卫生间气味难闻。8.pretty ad.相当,颇例句：Driving on icy roads can be pretty hairy. 在结冰的道路上开车有时真使人心惊胆战。1.Now we report on two cases where fish are both the victims and the offenders. both的用法Both可参与构成名词词组，也可和动词连用，还可与and构成并列连词。在使用时，要注意下列几点：一、Both和both of后都可接复数名词，构成名词词组。但B

7、oth后的名词前可有定冠词、指示代词或物主代词作修饰限定，也可没有；both of后的名词前却一定要有定冠词、指示代词或物主代词作修饰限定。如：可以说both(the these，her) children；也可以说both of the(these，her)children；但一般不说both of children。Both of后可接人称代词宾格，both后则不可；但人称代词宾格后可接both。可以说both of us(you，them)，一般不说both us(you，them)，但可以说us(you，them)both。二、Both与动词连用时，大多数放在系动词be之后，其它动词之

8、前。如：His parents are both workers.They both enjoy reading.若句中谓语动词包含情态动词或助动词时，both大多放在第一个情态动词或助动词之后。如：The bridges must both be built this year.两座桥都必须在今年修建。kate and Mary have both gone to English.凯特和玛丽都去了英国。三、Both可与and构成并列连词，连接两个性质相同并在句中作相同成分的并行结构。如：Both he and his brother are good at English.(连接两个主语)S

9、he can both dance and sing.(连接两个谓语动词)Mary is both kind and beautiful.(连接两个表语)四、含both的句子变为否定时，是将both改为neither。如：当肯定句为Both of the boys are clever.(两个男孩都聪明)时，否定句当为Neither of the boys are clever.(两个男孩都不聪明)。Both后接复数名词，neither后接单数名词，动词的人称和数也要随之变化。若把句子变为Both of the boys are not clever，则是不完全否定。意思是：并不是两个男孩都聪

10、明(一个聪明一个愚笨)。五、含bothand的句子变为否定句时，将bothand改为neithernor.，连接的两个部分若是名词，可以是单数，也可以是复数。如：I know both the man and the woman.我既认识那男子，也认识那妇女。2.The underwater barrier is meant to shock the carp into turning back. is meant to为了，打算例句：Where were you meant to is guarding? 你打算防守哪里？ 3.The state wants to remove millio

11、ns of carp to protect an endangered species native only to Utah Lake, the June sucker fish.native to产自，本土的，土生土长的例句：The fungi native to a region 一个地区的真菌 4.Now there are so many, experts say up to twenty metric tons a day could be removed with nets over a period of several years. up to高达，多达，相当于as many

12、 as例句：I can take up to four people in my car. 我的汽车最多能坐四个人。英语听力原文：This is the VOA Special English Agriculture Report.Last week our subject was illegal fishing. Now we report on two cases where fish are both the victims and the offenders.The first involves two kinds of Asian carp, bighead and silver.

13、They can grow more than a meter long and weigh up to forty-five kilos. They eat huge amounts of plankton that other fish need to survive. Silver carp can also jump high and hit boaters.img silver carpAsian carp were brought to the United States in the nineteen seventies as a solution. They were impo

14、rted to eat algae and other microscopic organisms. They were put to work as cleaners at fish farms along the Mississippi River and in wastewater treatment systems.But now the fish are moving north toward the Great Lakes. They are making their way up a system built years ago to link the Mississippi t

15、o Lake Michigan.The dangers of an invasion are environmental and economic. The destructive carp could spread within the Great Lakes and threaten fishing and trade.The Army Corps of Engineers has put an electric fence in the Chicago Sanitary and Ship Canal. The underwater barrier is meant to shock th

16、e carp into turning back. Only one Asian carp was found among many thousands of fish killed with poison while part of the fence was being serviced.The barrier, however, may not be enough to protect the Great Lakes. There are calls in Congress for emergency action. Officials could close shipping conn

17、ections between Lake Michigan and the upper Mississippi River system. But there are no decisions yet.So that is the situation in the Midwest. Farther west, the problem is with common carp. Officials in Utah want to remove around three-fourths of the carp from Utah Lake. The lake, near the city of Pr

18、ovo, is the largest natural body of freshwater in the state.The state wants to remove millions of carp to protect an endangered species native only to Utah Lake, the June sucker fish. The carp eat plants that the suckers use as hiding places.Carp were first put into the lake in the eighteen eighties

19、 as a food source. Now there are so many, experts say up to twenty metric tons a day could be removed with nets over a period of several years.But officials are fishing for ideas about what to do with all those fish, which could get pretty smelly. Ideas include using them to fill land or making them into liquid fertilizer or letting people eat them.You can share your own suggestions at .And thats the VOA Special English Agriculture Report, written by Jerilyn Watson. Im Jim Tedder.版权所有：高考资源网()版权所有：高考资源网()