题目内容

2.Poinsettias (一品红) are the best-selling potted flowering plant in the United States.Red poinsettias are a traditional part of Christmas celebrations,which is why almost all of them are sold in winter time.
Poinsettias are native to Central America and need warmth to grow.Bright red poinsettias are the best known.But there are about one hundred different kinds.
The flowers of poinsettias are very small.Around the flowers are colorful leaves called bracts (苞片).These bracts are what give the plants their beauty.
Poinsettias are named for Joel Roberts Poinsett from South Carolina.In 1825President John Quincy Adams chose him to be the United States'first minister to Mexico.Poinsett had an interest in plants.He saw the colorful plants growing in the wild.Wild poinsettias can grow up to four meters tall.He liked them so much that he sent some cuttings back to the United States.
People who are allergic (过敏的) to the liquid produced by rubber trees can develop a mild skin disease from poinsettia plants.Babies and pets that eat poinsettias can get sick.But experts say the plant is not as poisonous as some people think.
In the 1920s,Albert Ecke and his son Paul became interested in poinsettias'ability to flower in winter.Paul thought it would be a good plant to display at Christmas.
They started a farm near Encinitas,California.At first,Paul,and later his son,grew large plants in the fields.Then they sent them to growers by train.
In the 1960s poinsettias could be grown in containers.The Eckes started to sell cuttings from these new plants.Today Ecke Ranch remains a major supplier in the United States and around the world.
67.Poinsettias are used in America mainly forB.
A.preventing diseases
B.celebrations
C.remembering Poinsett
D.making money
68.Which of the following makes poinsettias attractive?D
A.Their cuttings
B.Their branches
C.Their flowers
D.Their bracts
69.When did people begin to grow poinsettias in the fields?C
A.In the 1820s
B.In the 1840s
C.In the 1920s
D.In the 1960s
70.We can learn from the passage thatD.
A.specialists think poinsettias are good for health
B.poinsettias grow well where it is cold and dry
C.Poinsett became interested in plants because of poinsettias
D.the Eckes have made much money from selling poinsettias.

分析 本文主要写了一品红作为美国最畅销的盆栽花卉,从盆栽到在农场的养殖过程.

解答 67-70BDCD
67.答案是B.细节理解题,根据文中句子Red poinsettias are a traditional part of Christmas celebrations,由于红色一品红是圣诞节传统庆祝活动的一部分.所以答案选B.
68.答案是D. 细节理解题,根据文中句子the flowers are colorful leaves called bracts (苞片).These bracts are what give the plants their beauty 一品红的花很小,围绕在花周围的是形似叶子、色彩鲜艳的"苞片",正是这些苞片给予了花儿的美丽.所以一品红引人注目的是它的包片,所以答案选D.
69.答案是C.细节理解题,在二十世纪二十年代,Albert Ecke 和他的儿子开办了一个农场,and later his son,grew large plants in the fields后来他儿子在地里种植这种植物,所以答案选C.
70.答案是D.推理判断题,根据文中最后一句Today Ecke Ranch remains a major supplier in the United States and around the world.今天,Ecke Ranch仍在美国和世界各地的主要供应商.可以推断因为是美国和世界各地的供应商,所以一定是挣了不少的钱,故答案选D.

点评 阅读理解题测试考生在阅读基础上的逻辑推理能力,要求考生根据文章所述事件的逻辑关系,对未说明的趋势或结局作出合理的推断;或根据作者所阐述的观点理论,对文章未涉及的现象、事例给以解释.考生首先要仔细阅读短文,完整了解信息,准确把握作者观点.

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