Ⅱ.重點句型詳解

1．Even_if we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or centuries.即使我們開始減少二氧化碳和其他溫室氣體的含量，在(未來)幾十年或幾個世紀內(nèi)，氣候仍會持續(xù)轉(zhuǎn)暖。

even if＝even though引導讓步狀語從句，意為“即使，縱使”。

①Even if we achieve great success in our work, we should not be conceited.

即使我們在工作中取得了巨大的成功，也不應(yīng)該自滿。

②Even if some foreigners speak ill of our Shenzhou Ⅶ spaceship, we still stick to the route of peaceful exploration of the space.

即便某些外國人對中國“神舟”七號說三道四，但我們?nèi)詫猿趾推教剿魈盏穆肪€不動搖。

[即境活用1]　(1)Jack felt grateful to his teacher ______ he couldn’t find words to express it.

A．a(chǎn)s if　　B．even though ? ? ??C．so that ? ? ? D．now that

解析：句意：盡管無法用言語表達，但Jack仍對老師感激不盡。只有even though符合句意要求。

答案：B

(2)The government should protect the old valuable buildings ______ they are not in harmony with the modern ones nearby.

A．even though ? ? ? ? B．a(chǎn)s if ? ? ? ?C．so that ? ? ? ? D．now that

解析：句意為：雖然這些古建筑與附近現(xiàn)代化建筑物不協(xié)調(diào)，但政府有必要保護它們。只有even though表示讓步的意義。

答案：A

2．It is OK to leave an electrical appliance on so_long_as you are using it—if not, turn it off! 在使用電器設(shè)備時你可以把它一直開著，如果不用把它關(guān)掉！

as/so long as 意為“只要”，用來引導條件狀語從句。

①As long as you can be back before 10 o‘clock, you can go out.

只要你10點鐘前能回來，你可以外出。

②As long as you accept our conditions, we‘ll start working immediately.

只要你答應(yīng)我們的條件，我們就立即開始工作。

歸納拓展：as far as “到達某個提及的地方”和“在……范圍內(nèi)；就……而言”。

as many as “多達……”“達到……之多”。與可數(shù)名詞復數(shù)連用。

as much as “多達……”“達到……之多”。與不可數(shù)名詞連用。

as soon as 作“一……就”解，引導時間狀語從句。

as well as 不僅后者，前者也……；除……之外

as good as 和……一樣好，實際上相當于……

[即境活用2]　(2008?全國Ⅰ)—Have you got any idea for the summer vacation?

—I don't mind where we go ______ there's sun, sea and beach.

A．a(chǎn)s if ? ? ? ? ? B．a(chǎn)s long as ? ? ? ?C．now that ? ? ? ? ? D．in order that

解析：as long as “只要”，引導條件狀語從句。

答案：B