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题型:阅读选择 题类:常考题 难易度:困难

山东省滨州市博兴县2018-2019学年八年级下学期英语期中考试试卷(含听力音频)

阅读理解

    April 22 is Earth Day. Everyone on Earth should care about and protect the earth!

    The earth has warmed by about 1°F (华氏度) over the past 100 years, but why and how? Well, scientists are not quite sure. Maybe the earth gets warmer and warmer on its own. But many scientists say that people are doing many things which makes the earth warmer. First, greenhouse effect (温室效应) is a very important reason for the change of the earth. People give out too much energy into the air every year. It makes the earth warmer. Climate (气候) change is another important reason. Sometimes it becomes too hot and sometimes too cold. Sometimes there is too much rain and sometimes too little. The change of the climate makes the earth warmer. In turn, the warmth of the earth changes the climate, too.

    When the earth becomes warmer, there may be more rain and a rise in sea level. It will affect the growth of plants, animals and people. On a Pacific island, 100 people have to move to higher ground because the sea is rising. These people can no longer live on the coast. Before that, two islands without people went underwater in 1999. Scientists say that the seas can rise by nearly one meter by 2100.

    People can affect the earth's air, land and water. As for us, we can do many things to protect the earth. For example, we can use fridges less. We can tell more people about protecting the earth.

(1)、Earth Day is probably set for people to ______.
A、learn more about the earth B、make full use of the earth C、take better care of the earth. D、study the warmth of the earth
(2)、Greenhouse effect comes from______.
A、sea rising B、climate change C、nature's unbalance D、people's activity
(3)、According to the passage, _______ many affect each other.
A、animals and island B、climate and the warmth of the earth C、fridges and animals D、sea level and the growth of plants
(4)、We can infer (推断) from the passage that the reasons for the warmer earth are______ now.
A、not very clear B、completely secret C、well known D、not given yet
(5)、The passage mainly tells us that ______.
A、there is more rain now B、we should protect the earth  C、we must stop pollution D、sea level is getting higher 
举一反三
 阅读理解

Diaojiaolou, also called Diaolou, is a traditional house in southern China. You can find many of these houses beside a river or in the mountainous areas of Yunnan, Guangxi, Hunan and Sichuan. This type of building is popular among the Miao, Zhuang, Buyi, Dong, Shui, and Tujia peoples.

Diaojiaolou dates back to hundreds of years ago. When ancient Chinese pioneers moved from northern to southern China, they met many difficulties. They suffered a lot from the beasts (猛兽), snakes, and insects in the mountain forests. At first, they set fire to keep beasts away, but they were still often bitten by snakes. Then an old smart leader in the village invented Diaojiaolou. They are in fact 100% wooden houses built on silts (泥沙). These buildings are usually two to three storeys high. The whole house is really strong. Even if one of the stilts (支柱) was destroyed, the house would remain standing.

The stilt houses have many advantages. In ancient times, these buildings would provide protection from beasts. Nowadays they continue to provide protection from snakes and insects. What's more, these buildings help prevent humidity-related (湿度相关的) illnesses that are common in southern China. In the mountainous areas of southern China, people can't endure the wet ground in summer, so living on high floors is a wise choice.

And the special buildings are in perfect harmony (和谐) with the beautiful scenery—small bridges, flowing water, and green mountains. And many stilt buildings are hidden in ancient trees and bamboos, like traditional Chinese landscape paintings.

 阅读下列短文,从每题所给的四个选项(A、B、C、D)中选择最佳选项。

We all enjoy the colors of autumn leaves. Did you ever wonder how and why a leaf changes color?Where do the yellows and oranges come from?To answer those questions,we first have to understand what leaves are and what they do. 

Leaves are the world's food factories. Plants take water from the ground through their roots and take CO2 from the air. Plants use sunlight to turn water and CO2 into glucose(葡萄糖),a kind of sugar. Plants use it as food for energy and growing. 

A chemical called "chlorophyll(叶绿素)" in the leaves gives plants their green color. As summer ends and autumn comes,the days get shorter and shorter,and trees "know" it's time to begin getting ready for winter. 

During winter,there is not enough sunlight or water. Trees rest during this time and live on the food they store during the summer. They begin to shut down their foodmaking factories. As the green chlorophyll disappears from the leaves,we begin to see yellow and orange leaves. 

The bright reds and purples we see in leaves are made mostly in autumn. In some trees,like maples(枫树),sunlight and the cool nights of autumn turn the glucose in the leaves into a red color. And we can enjoy the beautiful red leaves during autumn. 

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