1.
A.various    B.similar   C.with care    D.familiar      E.in trouble
Today I'm going to talk about rainforests.Are you (46)Dwith them?They're interesting and exciting places!Many kinds of the world's plants and animals live in the rainforests.
However,rainforests are (47)Enow---they are disappearing very fast because they are cut down or burnt every day.As a result,(48)Aanimals and plants are dying out.
Maybe you have never been to a rainforest,so why should you protect them (49)C?Rainforests are important to everyone.They are important because the plants in the rainforests make oxygen.We need oxygen to breathe.
A.destroy    B.medicines   C.depends on    D.machines  E.control
Rainforest also help to (50)Ethe weather.When trees are cut down,it gets hotter.Besides,one quarter of our (51)Bcome from plants.Many of these plants can be found only in rainforests.Th ere is a lot that we have not learnt about rainforests.If we (52)Athem,we will never find out.
In my opinion,our future (53)Csaving the rainforests.We must tell more people how important rainforests are so that they will stop doing harm to them.We must protect the rainforests now.We have to act now to save our only home.

分析 今天我想談?wù)摕釒в炅值貐^(qū),你對他們熟悉嗎?那是很有趣和令人興奮的地方,很多種世界上的植物和動物生活在熱帶雨林地區(qū).但是現(xiàn)在熱帶雨林地區(qū)處在麻煩中,他們正在很快的消失,因為每天不斷地被砍伐和焚燒,結(jié)果,各種各樣的動物和植物正在滅亡.或許你從未去過熱帶雨林地區(qū),于是為什么你應(yīng)該細(xì)心的保護(hù)他們呢?熱帶雨林對于每個人都很重要.他們重要是因為熱帶雨林的植物能制造氧氣,我們需要氧氣呼吸.
熱帶雨林也幫助控制氣候,當(dāng)樹被砍倒,天氣就會變熱.另外,我們所吃的藥物有四分之一來自植物.這些植物中有很多只能在熱帶雨林中找到.我們對熱帶雨林的學(xué)習(xí)還有很多,如果我們破壞了他們,我們就永遠(yuǎn)找不到了.以我的觀點,我們的將來會取決于如何拯救熱帶雨林.我們必須告訴更多的人雨林是多么重要,以便讓他們停止危害熱帶雨林.我們現(xiàn)在必須保護(hù)好熱帶雨林,我們必須現(xiàn)在行動起來去拯救我們的家.

解答 46.根據(jù)原文Today I'm going to talk about rainforests今天我想談?wù)撚炅值貐^(qū),可知下文應(yīng)該是:你對他們熟悉嗎,familiar熟悉的,故選D.47.根據(jù)原文they are disappearing very fast because they are cut down or burnt every day.他們正在很快的消失,因為每天不斷地被砍伐和焚燒,可知應(yīng)該是:現(xiàn)在雨林地區(qū)處在麻煩當(dāng)中,故選E.
48.根據(jù)原文rainforests are important to everyone.因為每天不斷地被砍伐和焚燒,可知會導(dǎo)致的結(jié)果是:各種各樣的動物和植物滅亡.various各種各樣的,許多的,故選:A.
49.根據(jù)原文Rainforests are important to everyone.熱帶雨林對于每個人都很重要,可知:應(yīng)該細(xì)心保護(hù)他們,with care細(xì)心,故選:C.
50.根據(jù)原文When trees are cut down,it gets hotter.當(dāng)樹被砍倒,天氣就會變熱,可知:熱帶雨林能幫助控制氣候,control控制,故選:E.
51.根據(jù)原文one quarter of our____come from plants.有四分之一的____來自植物,可知:應(yīng)該是某種物品,medicines,藥品;machines機(jī)器;機(jī)器當(dāng)然不會來自植物,故選B.
52.根據(jù)原文we will never find out.我們就永遠(yuǎn)找不到了,可知:上文應(yīng)該是在假設(shè):如果我們破壞了他們,if 如果,故選:A.
53.根據(jù)文章所述:熱帶雨林正在遭受破壞,然而他們對我們?nèi)祟愑腥绱酥匾,可知?yīng)該是:我們的將來會取決于如何拯救熱帶雨林,depends on,取決于,故選C.

點評 首先通讀全文,了解大意,聯(lián)系上下文.然后明確詞義,詞性和詞語的固定搭配,并注意上下文連貫,合乎邏輯.最后通讀全文,細(xì)心檢查.

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