题目内容

【题目】Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子,每空格限填)

1Mike’s hobby is playing basketball. ____ is listening to the music.(I)

2Congratulations! You are the ____ visitor today and you can get a big prize. ( hundred )

3Our teachers often say, “The more practice you do, the _____ mistakes you will make”.(few)

4Why not take an umbrella with you? The weather in spring is very ______.(change)

5Mr. Smith wanted to travel ______ to know more about the world. (wide)

6Peter is such a _____ person that nobody wants to make friends with him. (honest)

7They discussed the problem again and again, but they didn’t work out a ____.(solve)

8Jerry _____ in winning the race at the school sports meeting last week. (success )

【答案】

1Mine

2hundredth

3fewer

4changeable

5widely

6dishonest

7solution

8succeeded

【解析】

1句意:迈克的爱好是打篮球。我的爱好是听音乐。

空格处所给的参考单词为I。根据句意,空格处应填入意为“我的爱好”的单词,mine作名词性物主代词,等同于my hobby,且位于句首,首字母应大写,故应填Mine

2句意:祝贺你!你今天是第一百位来访者,你可以得到一个大奖。

空格处所给的参考单词为hundred。根据句意,空格处应填入意为“第一百”的序数词,hundredth作序数词,意为“第一百”,符合句意,故应填hundredth

3句意:我们的老师经常说:“你们练习得越多,犯的错误就越少。”

空格处所给的参考单词为few。根据句子结构,本句为“the +比较级,the +比较级”结构,故应用few的比较级fewer,意为“更少的”,符合句意,故应填fewer

4句意:你为什么不带把伞呢?春天的天气变化无常。

空格处所给的参考单词为change。根据句子结构,空格前为is,提示空格处应填入形容词,动词change可转换为形容词changeable,意为“易变的、常变的”,符合句意,故应填changeable

5句意:史密斯先生想周游世界以便更多地了解这个世界。

空格处所给的参考单词为wide。根据句子结构,空格前为动词travel,空格处应填入一个副词来修饰travelwide的副词形式为widely,意为“范围广地”,符合句意,故应填widely

6句意:彼得是个不诚实的人,以至于没有人愿意和他交朋友。

空格处所给的参考单词为honest。所给参考单词honest意为“诚实的”,是个褒义词,而根据句意,没人愿意和彼得交朋友,说明他人品不行,所以空格处应填入意为“不诚实的”形容词,dishonest意为“不诚实的”,符合句意,故应填dishonest

7句意:他们一次又一次地讨论这个问题,但没有想出一个解决办法。

空格处所给的参考单词为solve。根据句子结构,空格前为不定冠词a,空格处应填入一个名词,solve可转换成名词solution,意为“解决办法”,符合句意,故应填solution

8句意:杰瑞在上周的学校运动会上成功地赢得了比赛。

空格处所给的参考单词为success。根据句子结构,空格处应填入一个谓语动词,success可转换成动词succeed,且根据句中last week提示可知,句子应为一般过去时,succeed应用过去式,故应填succeeded

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【题目】 Today there are more fires than in the past. Over 100,000 wildfires burn each year in America. Russia has 20,000 to 35,000 wildfires every year. Australia has on average 60,000 each year. These fires destroy huge areas of forests and burn hundreds of homes.

Many experts believe _______. The first is climate change. Recent weather has been warmer and drier. This leads to dangerous fire conditions. When lightening strikes, dry grass easily catches fire. Hot winds add to the problem. The wind spreads a fire quickly. In 2010, Russia had the hottest and driest summer in a century. In just one month, 500 fires destroyed over 2,000 homes. Some people lost their lives.

Traditional fire-fighting practices are another reason for the increase in fires. In America, firefighters used to quickly put out every fire. They didn't allow the grass and trees to burn. As a result, today many forests have thicker vegetation(植被). Thicker vegetation means more fuel for fires. also, without fires from time to time, forests become overcrowded and unhealthy. Some trees are dead. The dead wood then easily catches fire. So surprisingly, America has many more fires today partly because of its past fire-fighting practices.

Scientists now understand that a fire can be a natural part of healthy forest. As a result, countries like Australia allow more fires to burn naturally. Sometimes, fire fighters even start fires to get rid of dead wood. Of course, they carefully control the fires. The fire thins out old trees. This allows sunlight to reach the ground. As a result, fires help new trees to grow. Therefore, if a fire is not a serious threat to people, firefighters may let it burn naturally.

1Today _______ has the most wildfires each year according to the passage.

A.AustraliaB.AmericaC.RussiaD.China

2Russia had many fires in one month in 2010 because _______.

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B.people have done too many terrible things in recent years

C.stopping fires is difficult for people

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A.there are fewer wildfiresB.trees and grass become thicker

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A.Not all the fires in the forests must be put out.

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C.Australia allows all the fires to burn naturally.

D.There are 2000 fires in Russia in 2010.

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A natural resource is anything people can use which comes from nature. People cannot make natural resources, but get them from the earth. Examples of natural resources are air, water, copper, wood, oil, wind energy, hydro-electric energy, iron and coal. Refined(精炼的) oil is not a natural resource because people make it.

We often say that we can divide natural resources into two different groups: renewable resources and non-renewable resources.

A renewable resource can grow again and come back again after we use it. For example, soil, sunlight, water and wood are renewable resources.

A non-renewable resource is a resource that cannot grow or come back, or a resource that will take a very long time to come back. For example, coal is a non-renewable resource. When we use more coal, there will be less coal afterward. One day, there will be no coal to make goods. The non-renewable resource can be used up directly, or we can find a renewable resource to replace it. It is important to save non-renewable resources, because if we use them too quickly, there will not be enough in the future.

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3How many groups can natural resources be divided into?

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