Step 7 While writing---the outlineParagraph 1：Recently，students in our class have had a discussion on whether space is worth exploring.Paragraph 2：30% of us think space exploration is not worthwhile.Paragraph 3：On the other hand，70% think space is worth exploring. Paragraph 4：As far as I am concerned, it is worthwhile to explore the space.Step 8 While writing---words and phrases①have a heated discussion 舉行熱烈的討論 ②be worth doing 值得做③hold different ideas 持有不同的觀點④be far away from 離……很遠⑤be used to do 被用來做…… ⑥benefit a lot from... 從……受益良多⑦communication n．交際 ⑧weather forecast 天氣預(yù)報⑨energy shortages 能源短缺⑩as far as I’m concerned 在我看來Step 9 While writing---make sentences①用于太空探索的資金可以用來解決地球的饑餓和污染等問題。(過去分詞作定語)And the money spent on space exploration can be used to solve the earth’s problems such as starvation and pollution.②30%的同學(xué)認為不值得探索。30% of us think space exploration is not worthwhile.③他們認為太空探索離我們及我們的日常生活太遙遠并且浪費金錢。They think space is too far away from us and our daily life and is a waste of money.④70%的人認為太空值得探索，因為我們從中受益匪淺。(because)70% think space is worth exploring because we have benefited a lot from it.⑤總有一天，我們可以搬到其他星球去解決人口問題。(by doing)We may solve the population problem by moving to other planets one day.