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【题目】Green Roofs (屋顶)

Why would anyone want to plant a garden on a roof? People are finding out that it is good for the environment and good for them.

Cities can be as much as four to ten degrees warmer than the countryside. Green rooftops can help cool the air in cities. One green roof will not do much to change the temperature of a city. However, when more buildings begin to convert their rooftops to green spaces, it can make a real difference. Buildings that are cooler also use air conditioning less often. This reduces the amount of energy a building uses.

Cities are usually more polluted than other areas. The plants on the rooftops can even help clean the air. Gardens in the city can also provide a place for birds and bugs to live.

One unusual rooftop garden is on the rooftop of Children's Hospital in Missouri. The garden covers an area of 7,500 square feet. It is a place for the children and parents to relax and be close to nature without leaving the hospital. The garden has flowers, fountains(喷泉), and even a goldfish pond.

Another interesting garden is on the rooftop of the Royal York Hotel in Canada. The hotel's cooks can pick herbs(草本植物)they use fresh from the roof. Some other hotels and restaurants have rooftop gardens to grow plants. They just need gardeners to care for them. Rooftop gardens can dry out quickly in the summer sun, and vegetables need frequent watering.

Not all buildings have green rooftops. For one thing, green rooftops can be more expensive than traditional rooftops. Also, a roof needs to be flat and strong enough to support the weight of the garden.

In the past, not many people knew about rooftop gardens and how good they could be for the environment. But it is changing. You may want to keep your eyes on the skies when you walk the streets in your town or city. You never know when you might catch a look of a secret garden many feet above the ground.

1The word "convert" in Paragraph 2 probably means .

A.connectB.moveC.changeD.take

2The sixth paragraph is mainly about .

A.why it is difficult to have green rooftops

B.when all buildings can have green rooftops

C.what buildings need to have green rooftops

D.how to make all buildings have green rooftops

3What can we learn from the passage?

A.Cooks of hotels and restaurants care for plants in rooftop gardens.

B.Rooftop gardens in hospitals should be larger and more beautiful.

C.Rooftop gardens help people save a lot of money.

D.More and more people begin to know rooftop gardens.

【答案】

1C

2A

3D

【解析】

文章主要介绍在屋顶上种植花园,对环境有益,而且对他们个人也有益。绿色屋顶能降低城市的温度,减少建筑能源的使用,帮助净化空气,给小鸟和虫子提供生存的场所。文章介绍了密苏里儿童医院的花园屋顶和加拿大皇家约克酒店的花园屋顶。并讲述了建绿色屋顶难的原因。最后总结现在情况发生了变化,越来越多的人知道了屋顶花园的益处。

1词义猜测题。根据“their rooftops to green spaces, it can make a real difference”可知此处发生了“变化”,是从屋顶“变成了”绿色空间。convert的含义是改变,变化。故答案为C

2主旨大意题。根据“green rooftops can be more expensive…” “a roof needs to be flat and strong enough to support…”可知此段讲了并非所有建筑都有绿色屋顶的两个原因:一方面,绿色屋顶可能比传统屋顶更昂贵;此外,屋顶需要平坦且足够坚固以支撑花园的重量。 推断第六段的主旨是在讲为什么建绿色屋顶比较难。故选A

3推理判断题。根据最后一段“In the past, not many people knew about rooftop gardens and how good they could be for the environment. But it is changing”可知在过去没有多少人知道屋顶花园以及它们对环境的好处;但它正在改变。推断出“现在越来越多的人知道了屋顶花园的益处”。故选D

阅读理解中词义猜测题主要是考查学生从细节中理解文章的能力以及理解生词的能力。做题时主要有以下几种方法:①分析上下文所提供的情景和线索进行词义猜测;②文章中在对该词进行解释说明时的一些解释性的词句;③利用同义词反义词或同义关系反义关系进行词义猜测;④利用构词法进行词义猜测。第一题是理解convert这个单词的含义在选项中找到近义词,可以分析上下文所提供的情景和线索进行词义猜测,根据文中的“convert … to…”以及“difference”可知两者发生了变化,有不同,所以推断词义为变化change

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