【題目】閱讀下面材料，在空白處填入適當?shù)膬?nèi)容（1個單詞）或括號內(nèi)單詞的正確形式。

Save the Earth

Without the Earth we have nowhere to live, along with many other organisms. If we don’t save the Earth 【1】(active) now, our children or grandchildren might not be able to see it for long. Our atmosphere 【2】 (weaken) and we have to do something about it quickly.

We could plant more 【3】 (tree) to create more oxygen to keep the bad air away from the atmosphere,【4】 we could just stop cutting down the rainforest. We are living and we need the space but we aren’t the only species on this earth.【5】 (save) the rainforest is not only good for the atmosphere but also good for the many different species that the earth provides for 【6】 (we).

We could try to get as many people as possible to switch to other energy using 【7】 (little) mineral fuels for energy and relying more on solar and wind energy 【8】 fossil fuels are destroying our earth and we need 【9】 (limit) the use of it.

Recycling is one of the simplest ways 【10】 helps our precious planet. Everyone can help. All they have to do is follow three simple rules: Reduce, Reuse, Recycle!

The world is precious and we need to keep it that way.

【答案】

【1】actively

【2】is weakening

【3】trees

【4】or

【5】Saving

【6】us

【7】less

【8】because

【9】to limit

【10】that

【解析】

本文是一篇說明文。主要介紹了現(xiàn)在人類拯救地球的方法。

【1】考查副詞。句意：如果我們現(xiàn)在不積極地拯救地球，我們的子孫后代可能無法長久地看到它。分析句子可知，空格處修飾前面的動詞save，修飾動詞要用副詞作狀語。故填actively 。

【2】考查時態(tài)。句意：我們的大氣層正在減弱，我們必須迅速采取行動。此處指地球的大氣層正在惡化，強調(diào)一個正在進行的動作，要用現(xiàn)在進行時，故填is weakening。

【3】考查名詞。句意：我們可以種更多的樹來制造更多的氧氣，防止空氣污染。根據(jù)前面的more可知，后面的名詞應(yīng)該使用復(fù)數(shù)形式。故填trees 。

【4】考查連詞。句意：我們可以種更多的樹來制造更多的氧氣，防止空氣污染，或者我們可以停止砍伐雨林。根據(jù)語境可知，前后兩句表示選擇，故填or。

【5】考查動名詞。句意：拯救雨林不僅有益于大氣，而且有益于地球為我們提供的許多不同物種。句子缺少主語，故用動名詞做主語，表示一個抽象動作，此時要用動詞的ing形式�？忌m然知道這里缺少主語，但是可能會想到使用不定式，而不定式作主語的時候，表示一個具體的動作。故填Saving。

【6】考查代詞。句意：拯救雨林不僅有益于大氣，而且有益于地球為我們提供的許多不同物種。。根據(jù)意思，地球給我們提供了很多不同的物種。介詞for后要用代詞賓格，故填us。

【7】考查形容詞比較級。句意：我們可以嘗試讓盡可能多的人使用更少的化石物燃料作為能源。與后面的more進行對比，指我們可以少使用化石燃料。故要用little的比較級less，故填less。

【8】考查原因狀語從句。句意：因為化石燃料正在破壞我們的地球，我們需要限制它的使用。根據(jù)語境可知，這里表示原因，指因為那些化石燃料正在摧毀我們的地球，所以我們要限制使用。故填because。

【9】考查不定式。句意：因為化石燃料正在破壞我們的地球，我們需要限制它的使用。“need”作為實義動詞，后面要用不定式作。故填to limit。

【10】考查關(guān)系代詞。句意：回收利用是幫助我們寶貴星球的最簡單的方法之一。分析句子可知，本句是定語從句中，先行詞是the simplest ways，在定語從句中做主語，先行詞前有最高級修飾，要用that, 故填that。

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