【文章內(nèi)容簡(jiǎn)介】 on of the hotel． The Crowne Plaza Copenhagen Towers TV and lights in the hotel are all of energysaving brands．Shampoo bottles, toothbrushes and washing accessories are biologically degradable, which means that the nature can easily absorb the materials． The hotel restaurant is only buying local goods and the food leftovers are used for bioenergy as well as fertilizer．The fitness facilities also provide a green touch to the hotel, as the training bikes of the fitness center are linked to the power grid（電網(wǎng)） of the hotel, thereby providing free energy if any guest wishes to exercise．People who do contribute free energy this way are supposedly getting a free meal in the hotel restaurant．“It is the first time that a Danish hotel receives this award．I think our throughout green thinking is the reason why we have been awarded．It is all the small details, as well as the big picture，” says Allan Agerholm, the CEO of the hotel, in a press release． The Crowne Plaza Copenhagen Towers opened its doors last year．Skaal International was founded in 1932 by travel managers and has approximately 20,000 members in 89 nations．It is an organization promoting global tourism．61．Which of the following is the best title of this passage? A．Hotel in Copenhagen named world’s greenest B．Copenhagenthe world’s greenest city C．Eco Tourism Award in Copenhagen D．The Crowne Plaza Copenhagen Towers62．The hotel has been awarded the EcoTourism Award because ． A．delivers green energy to the hotels in Nordic B．is located in the Copenhagen suburb not in the city center C．has the largest solar cell facility D．it sets an environmentalfriendly example to other hotels63．The underlined word “degradable” in passage 3 means it can be ． A．rejected by people who don’t like it B．a(chǎn)ccepted by guests from all over the world C．a(chǎn)bsorbed easily by nature D．recycled by the nature64．What is so special about the fitness facilities? A．It is free for those who like to exercise． B．It uses green power to drive． C．It generates free electricity while being used． D．It offers free meal to guests who use it．65．What is Skaal International? A．Another name for this green hotel． B．An organization promoting global tourism． C．The Danish news agency Ritzau． D．A branch hotel restaurant in Danmark．C Have you ever heard a news reporter talk about DNA? Reporters talk about DNA found at the scene of a crime．They talk about police finding DNA “fingerprints．” Police sometimes use DNA as a clue to find out who mitted the crime． DNA is a substance（物質(zhì)） that makes up genes．Everything alive has genes．Plans have genes．Animals have genes．You have genes． Genes are the basic units of heredity（遺傳）．Heredity means all the characteristics you inherit from your parents．You get your genes from your parents．You inherit half of your genes from your mother．You inherit half of your genes from your father． Genes are a kind of code．A tree’s genes tell what shape its leaves will be．A cat’s genes tell what color its fur will be．Your genes tell what color your eyes will be．Your genes tell what color your hair will be．Everything about you es from the code in your genes． Genes line up on strands（鏈） called chromosomes（染色體） in cells．Everything alive is made up of cells．Chromosomes are in the center, or nucleus, of cells． Different parts of you are made of different kinds of cells．Your muscles are made of muscle celIs．Your skin is made of skin cells．The code in your genes tells your body to make different kinds of cells．The genes in each cell tell the cell how to work．They tell the cell when to make new copies of itself． An Austrian monk named Gregor Mendel first saw inherited patterns in pea plants．He experimented with pea plants in the 1860s．One of the things, or traits（特質(zhì)）， Mendel studied was what makes some pea plants tall and some short．He said that the traits must e from units of heredity passed from the parent plants．These units were later called genes． In the mid1900s, scientists discovered that genes are made of DN A．In the 1970s, scientists learned how to change DNA with genetic engineering．Scientists also learned that problems with certain genes cause diseases．Muscular dystrophy, cystic fibrosis, and hemophilia are some genetic diseasesdiseases caused by problems in genes．Today, scientists are looking for ways to cure genetic diseases by changing genes through a process called gene therapy．66．What is DNA? A．DNA is a kind of gene． B．DNA is a substance that makes up genes． C．DNA is the basic unit of heredity． D．DNA is a measure to protect crime．67．Which of the following about genes is correct according to the passage? A．Plants, animals and human beings have the same genes． B．Half people inherit all genes from their mother, others from their father． C．Genes decide the trees shapes, the cats’ fur color and our eyes’ color as well． D．Genes will give you a code when you need them．68．Where are genes? A．Genes lining up on strands called chromosomes are in the center of cells． B．Genes hide in everything alive in your body． C．Genes can be nowhere but in your mind, controlling all your actions． D．Genes travel in your body and help cope skin, muscle, and eyes．69．An Austrian monk named Gregor Mendel ． A．first saw inherited patterns in people B．was interested in why plants were different C．first called the units of heredity from parents genes D．was the first who discovered genes70．We can conclude that ． A．scientists were less intelligent than monks in 1900s B．some genes are bad and can cause diseases C．we don’t need to worry about genetic diseases any longer D．the discovery of genes may be of great