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第三類：餅圖
model answer
1.The charts compare the sources of electricity in Australia and France in the years 1980 and 2000. Between these years, electricity production almost doubled, rising from 100 units to 170 in Australia, and from 90 to 180 units in France.
2.In 1980 Australia used coal as the main electricity source (50 units) and the remainder was produced from natural gas, hydro power (each producing 20 units) and oil (which produced only 10 units). By 2000, coal had become the fuel for more than 75% of electricity produced and only hydro continued to be another significant source supplying approximately 20%.
3.In contrast, France used coal as a source for only 25 units of electricity in 1980, which was matched by natural gas. The remaining 40 units were produced largely from oil and nuclear power, with hydro contributing only 5 units. But by 2000, nuclear power, which was not used at all in Australia, had developed into the main source, producing almost 75% of electricity, at 126 units, while coal and oil together produced only 50 units. Other sources were no longer significant.
4.Overall, it is clear that by 2000 these two countries relied on different principal fuel sources: Australia relied on coal and France on nuclear power.
分析：第一段：
1 The charts compare the sources of electricity in Australia and France in the years 1980 and 2000
Compare是“對比”，因?yàn)楸疚挠袃蓚€(gè)國家四幅圖，所以用compare就比較合適。這一句同樣是對題干進(jìn)行改寫，交代一下這是什么圖。
2 Between these years, electricity production almost doubled, rising from 100 units to 170 in Australia, and from 90 to 180 units in France.
Double是動詞“翻倍”的意思，這里主要討論數(shù)據(jù)的整體變化趨勢，rising 是rise的現(xiàn)在分詞形式，相當(dāng)于which rises或which rose。
第二段：
1 In 1980 Australia used coal as the main electricity source (50 units) and the remainder was produced from natural gas, hydro power (each producing 20 units) and oil (which produced only 10 units).
這個(gè)句子主要寫澳大利亞1980年的最大能源比例，屬于特殊值或特征值。And the remainder 是“其余的電”，remainder相當(dāng)于代詞。這樣通過一個(gè)句子將其他不重要或不是特征的數(shù)值全部說出。
2 By 2000, coal had become the fuel for more than 75% of electricity produced and only hydro continued to be another significant source supplying approximately 20%.
By 2000，到了200年。是引出數(shù)據(jù)對比。More than 75%，多于75%。And only hydro引出另外一個(gè)特殊值，即水能。
第三段：
1 In contrast, France used coal as a source for only 25 units of electricity in 1980, which was matched by natural gas.
In contrast，相反。引出法國情況，作為一種對比。Which引導(dǎo)定語從句，which was matched by 連接另外一個(gè)成分coal，兩者數(shù)量相等。用match這個(gè)動詞。
2 The remaining 40 units were produced largely from oil and nuclear power, with hydro contributing only 5 units.
Be produced by 被---生產(chǎn)的。With引出復(fù)合結(jié)構(gòu)。With sht doing。Contribute 是“貢獻(xiàn)”。因?yàn)閔ydro與contribute是主動關(guān)系，所以用Contributing，如果邏輯關(guān)系式被動，就用contributed。
3 But by 2000, nuclear power, which was not used at all in Australia, had developed into the main source, producing almost 75% of electricity, at 126 units, while coal and oil together produced only 50 units.
But引出兩個(gè)不同情況的對比，by 2000引出時(shí)間。Which 引出定語從句。Not at all，根本不。Had developed 是主語nuclear power的謂語動詞。Producing是現(xiàn)在分詞做伴隨狀語，相當(dāng)于定語從句 which produces。While是連詞“而”，連接另外兩個(gè)對比的東西。Only起強(qiáng)調(diào)作用，表示“少”。
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