新概念英語(yǔ)第三冊(cè)逐句精講語(yǔ)言點(diǎn) 第55課 來(lái)自地球的問(wèn)候(2)

　　The first question to answer iswhether a planet can actually support life. Inour won solar system, for example, Venus is fartoo hot and Mars is far too cold to support life.Only the Earth provides ideal conditions, and even here it has taken more than fourbillion years for plant and animal life to evolve.

　　4.The first question to answer is whether a planet can actually support life.

　　第一個(gè)需要解答的問(wèn)題是一顆行星是否有能夠維持生命的條件。

　　語(yǔ)言點(diǎn):句子結(jié)構(gòu)分析: whether a planet can actually support life充當(dāng)表語(yǔ)從句。

　　5.In our won solar system, for example, Venus is far too hot and Mars is far too coldto support life.

　　舉例來(lái)說(shuō)，在我們的太陽(yáng)系里，對(duì)于生命來(lái)說(shuō)，金星的溫度太高，而火星的溫度則太低。

　　語(yǔ)言點(diǎn):句子結(jié)構(gòu)分析:too…to…結(jié)構(gòu)表示“太…以致不能…。”

　　6.Only the Earth provides ideal conditions, and even here it has taken more than fourbillion years for plant and animal life to evolve.

　　只有地球提供理想的條件，而即使在這里，植物和動(dòng)物的進(jìn)化也用了40億年的時(shí)間。

　　語(yǔ)言點(diǎn):句子結(jié)構(gòu)分析:take more than…to do的意思是“用了超過(guò)…的時(shí)間做。”