新概念英語第三冊逐句精講語言點 第55課 來自地球的問候(7)

　　In the first instance, we would be looking for plant life, rather than 'little green men'.The life forms most likely to develop on a planet would be bacteria. It is bacteria thathave generated the oxygen we breathe on earth.

　　19.In the first instance, we would be looking for plant life, rather than 'little greenmen'.

　　首先我們要尋找植物，而不是那種“小綠人”。

　　語言點1:句子結(jié)構(gòu)分析:rather than的意思是“而不是”，在這句話中相當(dāng)于instead of。

　　語言點2:這句話中的“小綠人”指代傳說中的外星人。

　　20.The life forms most likely to develop on a planet would be bacteria.

　　行星上最容易生存下來的是細菌。

　　21.It is bacteria that have generated the oxygen we breathe on earth.

　　正是細菌生產(chǎn)出我們在地球上呼吸的氧氣。

　　語言點:句子結(jié)構(gòu)分析:這句話是個強調(diào)句。We breathe on Earth為定語從句。