Question

【題目】There is no doubt that the world climate 【1】 (change) in recent years. Many people blame this change on gases such as carbon dioxide. Animals and humans produce carbon dioxide when they breathe. However, many other human 【2】 (activity) also let off carbon gases. Anytime something is burnt, carbon is put 【3】 the atmosphere. Cars and other vehicles burn petrol in their engines, and electrical power plants most often burn fuels such as coal and oil in order to produce electricity.【4】, the more petrol and electricity we consume, the 【5】 carbon we are letting off.

One thing we can do to help solve this problem is to walk or use 【6】 bicycle when possible. Of course, there are times 【7】 we need to travel long distances. In this case, public transport such as buses and the underground is always a much better choice than a private car or a taxi.

You can also plant a tree,【8】 trees absorb the carbon dioxide in the air to produce oxygen. Planting a small tree is cheap and easy, and two decades from now, when you look at 【9】 will have become a large tree, you will find a sense of satisfaction,【10】 (know) that you did your part to help solve the problem of climate change.

Answer 1

【答案】

【1】has been changing

【2】activities

【3】into

【4】Therefore/Thus

【5】more

【6】a

【7】when

【8】because

【9】what

【10】knowing

【解析】在最近幾年，毫無疑問世界天氣一直都在改變。二氧化碳的排放影響了氣候變化，文章號召我們盡自己的一份力量幫助解決氣候變化問題。

【1】句意：在最近幾年，毫無疑問世界天氣一直都在改變�？芍�用現(xiàn)在完成進(jìn)行時態(tài)，故答案為has been changing。

【2】句意：許多其他人類活動也釋放了碳?xì)怏w。ｍａｎｙ修飾可數(shù)名詞復(fù)數(shù)，可知答案為activities。

【3】句意：碳被放入大氣中。ｐｕｔ―――ｉｎｔｏ――，把―――放入―――，可知答案為ｉｎｔｏ。

【4】句意：因此，汽油和電消耗的越多，排放的二氧化碳越多。前后是因果關(guān)系，可知答案為Therefore/Thus。

【5】句意：汽油和電消耗的越多，排放的二氧化碳越多。可知答案為ｍｏｒｅ。

【6】句意：為了幫助解決這個問題，要做的一件事情是當(dāng)有可能的時候步行或用一輛自行車�？芍�答案為ａ。

【7】此處times做先行詞，在后面的定語從句中做時間狀語，可知答案為ｗｈｅｎ。

【8】句意：你也能種一棵樹，因為樹能吸收空氣中的二氧化碳所產(chǎn)出的氧氣。前后是因果關(guān)系，可知答案為becauseｅ。

【9】句意：二十年之后，當(dāng)你看到已經(jīng)變成一顆大樹的時候，你會發(fā)現(xiàn)滿足感。look at后面是一個賓語從句，從句缺少引導(dǎo)詞，且從句沒有主語，可知答案為ｗｈａｔ，它在這里其雙重作用。

【10】句意：二十年之后，當(dāng)你看到已經(jīng)變成一顆大樹的時候，你會發(fā)現(xiàn)滿足感，此時你會知道你盡自己的一份力量幫助解決氣候變化問題所帶來的結(jié)果�，F(xiàn)在分詞做自然的結(jié)果狀語，答案為knowing。