题目内容
18."When it comes to Earth,there's no time to waste,"says the Earth Day Network.And that is right.Protecting our environment is very important,and World Earth Day was (16)C in 1970to raise people's environmental awareness.On April 22,People around the world celebrate Earth day.Every year there is a special (17)B,and this year it is"Trees for Earth",so Earth Day will be all about planting trees.Their goal is to plant 7.8billion trees (18)D the next five years.
That's a big goal,and you might wonder(19)B trees are so important.Well for one,they can help stop climate change.Carbon dioxide (二氧化碳) is a chemical in our atmosphere,but.(20)A make too much of it.Each person makes about 2.3tons a year,which is bad for the environment.
Well guess what!Trees (21)C carbon dioxide and protect the air quality.Planting new trees is important because people cut down (22)A trees.Last year,there were 3trillion(万亿) trees in the (23)B,about 139billion in China.But according to Time,the world's total number has been (24)D cut in half since human civilization (文明) began.That's because 15billion trees are cut down every year.
So we need to plant more to replenish (补充) the ones e've lost.One tree can take in 48pounds (21.8kg) of carbon dioxide per year.And it's still one of the cheapest and (25)Bways to get rid of carbon dioxide.
But don't forget that you can also help the environment by cutting down on how much energy or water you use every day.Every little thing helps!
| 16.A.set | B.produced | C.created | D.found |
| 17.A.name | B.theme | C.saying | D.sign |
| 18.A.for | B.after | C.by | D.in |
| 19.A.what | B.why | C.whether | D.how |
| 20.A.humans | B.animals | C.ghosts | D.plants |
| 21.A.take out | B.put out | C.take in | D.put in |
| 22.A.countless | B.hopeless | C.useless | D.endless |
| 23.A.wild | B.world | C.forest | D.space |
| 24.A.hardly | B.never | C.really | D.almost |
| 25.A.most | B.best | C.fewest | D.worst. |
分析 【文章大意】本文是一篇与环保相关的说明文.主要介绍了今年"世界地球日"的主题:地球的树.介绍了树木对于地球的重要性,并号召人们多植树,保护地球.
解答 16.C.考查动词.根据句子:"and World Earth Day was (16)in 1970to raise people's environmental awareness"可知世界地球日被创建于1970年,目的是提高人们的环保意识.结合语境可知是被创建,这里是被动语态,故选C.
17.B.考查名词.根据句子:"Every year there is a special (17),and this year it is"Trees for Earth","可知这一年的主题是:地球的树,结合语境这里应该是主题,故选B.
18.D.考查介词.根据句子:"Their goal is to plant 7.8billion trees (18)the next five years."可知他们的目标是在下一个五年里栽种78亿棵树.此题中 in the next 是固定搭配,故选D.
19.B.考查连接词.根据句子:"That's a big goal,and you might wonder(19)trees are so important."可知那是一个大目标,你可能想知道树为什么如此重要.以及下文:"Well for one,they can help stop climate change.Carbon dioxide (二氧化碳) is a chemical in our atmosphere,but (20)make too much of it.Each person makes about 2.3tons a year,which is bad for the environment."可知这里是在解释它的重要性,所以结合语境这里应该是why,故选B.
20.A.考查名词.根据句子:"Carbon dioxide (二氧化碳) is a chemical in our atmosphere,but (20)make too much of it."可知二氧化碳在我们的大气中是一种化学物质,但人类制造的太多了.根据常识以及结合语境,这里应该是人类,故选A.
21.C.考查动词.根据句子:"Trees (21)carbon dioxide and protect the air quality."可知树木可以吸收二氧化碳,保护空气质量. 根据常识以及结合语境,这里应该是吸收.故选C.
22.A.考查形容词.根据句子:"Planting new trees is important because people cut down (22)trees."可知种植新的树木是很重要的,因为人们砍树无数.结合语境这里应该是砍伐了无数的树,故选A.
23.B.考查名词.根据句子:"Last year,there were 3trillion(万亿) trees in the (23),about 139billion in China."可知去年,世界上有3万亿棵树,在中国约有1390亿.后半句是中国这个小范围,所以前半句应该是个大范围,所以是世界,故选B.
24.D.考查副词.根据句子:"But according to Time,the world's total number has been (24)cut in half since human civilization (文明) began."可知但是根据时间,世界总数的人类文明以来几乎减少了一半. 根据常识以及结合语境,这里应该是几乎,故选D.
25.B.考查副词.根据句子:"And it's still one of the cheapest and (25)ways to get rid of carbon dioxide."可知它仍然是一个最便宜并且最好的方法来去除二氧化碳.结合语境可知是最好的,故选B.
点评 完形填空题需先浏览一遍全文,掌握文章大意,结合前后文语境,以及语法形态,推测出正确的选项.
| A. | feed | B. | foot | C. | food | D. | find |
| A. | windy | B. | wonder | C. | wooden | D. | worried |
| A. | always | B. | often | C. | sometimes | D. | seldom |
| A. | tries | B. | tried | C. | is trying | D. | will try |