（英语）英语阅读理解专项习题及答案解析
一、高中英语阅读理解 阅读理解1．    Dodder is an unusual and unwanted plant that attacks other plants. Except for its flowers, the
plant looks like spaghetti, a kind of noodles in the shape of long thin pieces that look like string
when they are cooked. It's almost leafless, thread-like stems hang down on top of other plants
that dodder needs to stay alive. Dodder does not produce its own food. Instead, it steals food
often is wrapped around, sucking by juices from the plant which from other plants. It feeds
making its host very weak or even killing it.it plant starts growing, smell. When a young dodder other    Dodder can find plants by their
follows the smell of plants it prefers, like tomato plants, potato plants, or other farm crops. Unl
ike
most plants that usually grow in the direction of light or warmth, a dodder plant will grow in the
if a tomato happens to be growing nearby.direction of, for example, tomato smell—    However, a young dodder plant must find a host plant quickly. It no longer needs its root once
smell of a potential host it is attached to the host and wrapped around it. If it cannot catch a
within a few days, it will dry up and vanish even if there is plenty of water around. Once it finds a
host, the young dodder plant will attach itself to it and start growing faster. At that point the
dodder plant will drop its root.    Dodder is thus a difficult weed to manage and a real headache for farmers. When it does get
out of hand, dodder can greatly reduce a farmer's harvest or even destroy crops completely.
Before sowing their produce, especially farmers in warm parts of the world often check to make
sure no unwanted dodder seeds have mixed with their crop seeds. This is a good way to stop
dodder plants from making their way to a crop field secretly. Why does the author mention spaghetti in the first paragraph?            ）（1 A. To analyze the content of some food.            B. To introduce the topic of this passage. D. To describe the shape of dodder plants.C. To tell the usage of the dodder plants.         
What does the underlined word “vanish” in the third paragraph mean?            ）（2 D. disappear.C. escape.                            A. invade.                            B. grow.                           
What can be inferred from the passage?            ）（3 B. Dodder gives off smell to attract plants.A. Dodder doesn't produce its own food.         
D. Dodder can only survive in the shade.C. Dodder can affect farmers' income.             
What is the purpose of the passage?            4）（A. To introduce a new variety of farm crops.        B. To introduce plants that are harmful to
humans.C. To introduce the special abilities of a dangerous plant.        D. To introduce recent
improvements in farming methods. D）（1【答案】 D2）（ C3（） C  ）4（．
【分析】本文是一篇说明文，介绍了一种有特殊生长习性，危害农作物生长的攀【解析】 菟丝子。——附植物“Except for its flowers, the plant looks like spaghetti, a kind (1)考查推理判断。根据第一段中的可推断，of noodles in the shape of long thin pieces that look like string when they are cooked.” 。作者把菟丝子和意大利面条相比是用人们熟悉的东西来说明它的形状，故选D“If it cannot catch a smell of a potential host within a few 考查词义猜测。根据第三段中的(2)可知，菟丝子如果不能很快到可以寄生的植物，它就会变干，因此推up”it will dry days,
意义相”disappear“消失断即使周围有许多水它也会消失死亡。故画线词“vanish”与D项 。近。故选D hand, dodder can greatly reduce “When it does get out of(3)考查推理判断。根据最后一段中的可知，当菟丝子失去控制，也就是疯狂的a farmer's harvest or even destroy crops completely.”生长，菟丝子可以极大减少农民的收成，甚至完全摧毁庄稼。因此推断菟
faster怎么读?丝子会影响农民 。C们的收入。故选attacks that unwanted unusual and plant (4)考查推理判断。根据第一段中的“Dodder is an
和下文对菟丝子特殊的生长习性和危害的叙述可知，文章的写作目的是主要介other plants.” 。——菟丝子。故选C绍这种特殊又有危害的植物【点评】本题考点涉及词义猜测和推理判断两个题型的考查，是一篇科普类阅读，要求考 生根据上下文进行逻辑推理，从而选出正确答案。
Directions: Choose the one that fits best according to the information given in the passage 2． you have just read. 
    Taking your pulse during physical activity allows you to measure how hard you are exercising.
You should exercise to stay within your target heart range.
    Increasing your heart rate is a key part of exercise but it is important that your heart rate is not
too high or too low. If you are a beginner, you should also be able to breathe comfortably while
for your and safe effective is level at are ensure that exercising. This will you exercising a that
body.    The chart below illustrates target heart rate ranges for exercise based on the maximal heart

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