Ⅲ.Reading Comprehension(4 points)-|||-Section A (30 points,2 for each)-|||-Directions: There are three passages in this section.Each passage is followed by some questions or-|||-incomplete statements.For each of them there are four choices marked A,B,Cand D.You should decide-|||-on the best ONE and mark the corresponding letter on the ANSWER SHEET.-|||-Questions 51-55 are based on the following passage.-|||-A sunflower is a sunflower.A mobile phone is a mobile phone.But can you combine the two to do-|||-something for your local environment?-|||-It may well be possible.When you have finished with your mobile phone you can bury it in the garden-|||-or a plant pot and wait for it to flower.-|||-Recently,a biodegradable (生物可降解的)mobile phone was introduced by scientists.It is hoped that-|||-the new type of phone will raise consumers`recycling awareness(意识).-|||-Scientists have developed a new material in the past five years.It looks like any other plastic and can be hard-|||-or soft,and is able to change shape.It can also break down into the soil without giving off any poisonous chemicals-|||-British researchers have used the new material to develop a phone cover that contains a sunflower seed.When this-|||-new type of cover turns into waste,it forms something that feeds the seed and helps the flower grow.-|||-Engineers have designed a small transparent (透明的)window to hold the seed.They have made sure-|||-it only grows when the phone is thrown away.-|||-"We ve only put sunflower seeds into the covers so far.But we are working with plant experts to find-|||-out which flowers would perform best.Maybe we could put roses in next time."said one scientist.-|||-51.What is the main advantage of the new type of phone?-|||-A.Recyclable. B. -growing. C.Mobile. D.Transparent.-|||-52.Which of the following is NOT true about the new material?-|||-A.It can be hard or soft. B.It looks like any other plastic.-|||-C.It can break down into the soil. D.It gives off poisonous chemicals.-|||-53.There is a __ in the mobile phone to keep the seed.-|||-A.pot B.window C.rose D.sunflower-|||-54.Which kind of flowers would perform best in the mobile phone?-|||-A.Roses. B.Sunflowers.-|||-C.Both roses and sunflowers.-|||-D.It is still unknown to scientists and plant experts.-|||-55.What is the author`s attitude towards the new type of mobile phone?-|||-A.Positive. B.Negative. C.Neutral. D.Critical.