【題目】For 40 years, people in London have been happy to see parakeets (馬尾鸚鵡) in their parks. The shocking green body and long tail have brought a bright color to the parks, which have attracted a lot of people.

However, the parakeets are no longer welcome. They will push out local birds from trees to build their own nests, and will also take most of the food in the parks, such as seeds, fruit and nuts.

Sometimes by accident, plants and animals are carried to new places. They are transported by trains, ships or even planes. Often, animals like fishes get transported in the water containers of ships. When these ships reach new places and pump out the water from their tanks, these animals will start a new life in a new place.

Sometimes people take plants and animals from one part of the world to the other to solve a problem. But it will create a bigger problem. Years ago, the sugarcane (甘蔗) farmers of northern Australia brought the toads (蟾蜍) from South America to their farms. They thought they would kill the beetles (甲蟲) that harm the sugarcane crops. But the toad has done much more. It is now killing Australia’s native animals, such as snakes, water birds and so on.

【1】People get interested in parakeets mainly because of ____.

A. their appearance B. their singing

C. their behavior D. their living environment

【2】How do the parakeets affect the local birds?

A. They sometimes kill the local birds.

B. They destroy trees which the local birds live in.

C. They take the local birds’ nests and food.

D. They have attracted much of people’s attention.

【3】What is the third paragraph mainly talking about?

A. How animals and plants come to new lands.

B. How a new animal affects the local animals.

C. Why some plants are introduced to a new place.

D. The role of ships in transporting animals and plants.

【4】What can we learn about the toads?

A. They didn’t kill the beetles at all.

B. They were brought to Australia by accident.

C. They have ruined the sugarcane crops.

D. They have created a larger problem in Australia.

【答案】

【1】A

【2】C

【3】A

【4】D

【解析】

試題分析：本文屬于說明文，本文通過介紹倫敦公園里的馬尾鸚鵡影響當(dāng)?shù)厣鷳B(tài)的事情引出了動(dòng)植物遷移到新的地方對(duì)當(dāng)?shù)氐纳鷳B(tài)會(huì)產(chǎn)生一定的影響。

【1】A 細(xì)節(jié)理解題。根據(jù)第一段最后一句The shocking green body and long tail have brought a bright color to the parks, which have attracted a lot of people.可知這種鸚鵡綠色的身體和長(zhǎng)長(zhǎng)的尾巴給當(dāng)?shù)氐墓珗@添加了新的色彩，也就是說是這種動(dòng)物的外表讓給他們更受歡迎。故A正確。

【2】C 細(xì)節(jié)理解題。根據(jù)第二段第二句They will push out local birds from trees to build their own nests, and will also take most of the food in the parks, such as seeds, fruit and nuts.可知馬尾鸚鵡會(huì)趕走其他的鳥兒并把大部分的食物都奪走。主要是從這兩方面影響當(dāng)?shù)氐镍B兒。故C項(xiàng)正確。

【3】A 段落大意題。根據(jù)本段第一句Sometimes by accident, plants and animals are carried to new places.植物和動(dòng)物在不經(jīng)意的時(shí)候被帶到新的地方，接下來列舉了多個(gè)事例來說明很多動(dòng)植物都這樣來到新的地方的。所以本段主要講述的是動(dòng)植物是如何來到新的地方的。故A正確。

【4】D 推理判斷題。根據(jù)文章最后一句But the toad has done much more. It is now killing Australia’s native animals, such as snakes, water birds and so on.可知人們?cè)瓉硐Ｍ@種蟾蜍能夠消滅甲蟲，但后來這種甲蟲還殺死很多其他的動(dòng)物，如蛇、水鳥等，給當(dāng)?shù)貛砹烁鼮閲?yán)重的問題。故D正確。

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