愛薇塔樂學英文

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　　Ⅴ. 題目句子中的主謂賓結構在原文中無法對應，則答案判斷為Not Given. 　　原文: In the last 20 years,

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　　Ⅴ. 題目句子中的主謂賓結構在原文中無法對應，則答案判斷為Not Given.

　　原文: In the last 20 years, scientists have detected an increasing variety of toxic contaminants in the North, including pesticides from agriculture, chemicals and heavy metals from industry, and even radioactive fall-out from Chernobyl. These are substances that have invaded ecosystems virtually worldwide, but they are especially worrisome in the Arctic.

　　題目: Industry in the Arctic has increased over the last 20 years.

　　分析：

　　第一步：確定題目中的定位詞。定位詞分別是時間運算式over the last 20 years，專有名詞Arctic和主語Industry.另外，考點詞是increased.

　　第二步：定位詞到原文中定位。文章原句是: In the last 20 years, scientists have detected an increasing variety of toxic contaminants in the North, including pesticides from agriculture, chemicals and heavy metals from industry, 我們發現在原文中的時間對應詞和題目中的相同，而Arctic在原文中也沒有變化。而考點詞在原文中轉化成了increasing.原文的表述是 an increasing variety of toxic contaminants，說明增加的是variety of toxic contaminants，而題目中的主語是Industry.而industry在文章中的表述是……heavy metals from industry.但這並不能判斷工業是否增長。所以本題判斷為not given.

　　Ⅵ. 題目和原文都有比較，但是比較物件不同，則答案判斷為Not Given.

　　原文: Scientists have found that a smoked substance reaches the brain more quickly than one swallowed, snorted （such as cocaine powder） or even injected.

　　題目: Snorted substances reach the brain faster than injected substances.

　　分析：

　　題目和原文都有比較，比較的關鍵字是reach the brain faster than，原文中有一個同義詞轉換結構reaches the brain more quickly than.其中faster和more quickly構成了同義詞轉換的用法。

　　題目中比較的兩方面是Snorted substances和injected substances.而原文的比較內容是a smoked substance和swallowed, snorted （such as cocaine powder） or even injected.題目中的比較物件在原文中是並列關係，因此無法進行比較，所以答案判斷為not given.

　　Ⅶ. 題目中表示現在狀況，而文章中表示將來的可能性，則答案判斷為Not Given；反之亦然。

　　原文: Nearly half the world's population will experience critical water shortages by 2025, according to the United Nations （UN）. Wars over access to water are a rising possibility in this century and the main conflicts in Africa during the next 25 years could be over this most precious of commodities, as countries fight for access to scarce resources.

　　題目: Some African countries are currently at war over water resources.

　　分析：

　　題目中定位詞African countries，war，water在原文中都可以定位相應的詞彙。但是題目中的關鍵字是currently，而在文章中的表述是……during the next 25 years could be……。現在和將來的兩種狀態無法進行比較。所以答案判斷為not given.

　　Ⅷ. 原文中有表示極端的修飾詞如most, all, any等，而在文章中無法搜索到相關的同義表述，則答案判斷為Not Given.

　　原文: Hydroelectric power is at present the earth's chief renewable electricity source, generating 6% of global energy and about 15% of worldwide electricity. Hydroelectric power in Canada is plentiful and provides 60% of their electrical requirements. Usually regarded as an inexpensive and clean source of electricity, most big hydroelectric projects being planned today are facing a great deal of hostility from environmental groups and local people.

　　題目: Canada uses the most hydroelectric power in the world today.

　　分析：

　　通過題目中的兩個專有名詞Canada和hydroelectric power定位。原文提到了Hydroelectric power in Canada is plentiful and provides 60% of their electrical requirements. 但是並沒有說到most……in the world today.從上下文的關係來看文章中提到的most big hydroelectric projects being planned today are facing a great deal of hostility from environmental groups and local people也與題目的表述無關……所以答案判斷為not given.

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