【正文】
(3)How he did the experiment was puzzling to others.(4)When the sports meet will be held hasn??t been decided yet.(5)It remains a mystery where he has gone for further study.Activity 2 Match the sentence parts,and then translate the pleted sentences into Chinese.(1) remains an unanswered question.(5) is the reason why some people prefer to live in the country rather than in the city.3. team will win the match is still unknown.7. he solved the problem successfully interested all of us.參考答案 Part Ⅰ Observe and analyseActivity 2SentenceStructureFunctionLeadingwordSentence 1at the beginning of the whole sentence,beginning with “what”act as subjectwhatSentence 2at the beginning of the whole sentence,beginning with “how” act as subjecthowSentence 3at the beginning of the whole sentence,beginning with “whether”act as subjectwhetherSentence 4at the end of the whole sentence,beginning with “that”act as subjectthatSentence 5at the beginning of the whole sentence,beginning with “what”act as subjectwhat Activity 3 (2)It is well known that agriculture is the foundation of our country.Part Ⅱ PracticeActivity 1(1)What Yuan Longping really cared about was not money or celebrity.(5)It remains a mystery where he has gone for further study.如何能夠找到一個(gè)合適的解決辦法,在保證環(huán)境安全的同時(shí),生產(chǎn)足夠的糧食,是一個(gè)需要我們研究的重要課題。令我們所有人驚訝的是,通過(guò)這種新技術(shù)可以無(wú)土栽培這些蔬菜。(2)Who left me these flowers is not clear to me.(3)It is obvious that students should prepare well for their future