1、教材复习教材复习第一部分第一部分Unit 20 New FrontiersSection 课前预习，落实基础1.Running away is our instinctive _(反应)when we meet danger.答案：reaction2The data should be_(更新)once a week.答案：updated3The lost explorers ate birds eggs to stave off _ (饥饿)答案：starvation4Your request _(冲突)with my duties.答案：conflicts5I share my offic
2、e with two_(同事)答案：colleagues6Jane was painting the walls and m_ Pat was watching TV.答案：meanwhile7Uncle Frank is an o_ man.He never cheats others.答案：outspoken8My a_ settled in this country a hundred years ago.答案：ancestors9This medicine is p_ if taken in large quantities.答案：poisonous10The ticket p_ th
3、ree people to go into the exhibition.答案：permits1.以防，万一_答案：in case2出版；出来_答案：come out3而不是_答案：rather than4一点也不像_答案：nothing like5另外，而且_答案：in addition6预先_答案：in advance7泄露(秘密)_答案：give away8接收，接管_答案：take over9点击进入_答案：click on10奉献给_答案：devote.to.11实行，实施_答案：carry on12以为主食_答案：live on13更不用说_答案：not to mention14总
4、之_答案：in conclusion15以为范围_答案：range from16由于_答案：due to17下降_答案：drop off18计算出，领会到_答案：figure out1.It was launched in 1990 so that astronomers could observe space without the Earths atmosphere being a barrier.该望远镜于1990年发射使用，这样天文学家就可以在没有地球大气层阻碍的情况下观察太空了。句中so that引导的是结果状语从句。句子仿写我们栽了很多灌木，花园里不久就好看多了。_答案：We pl
5、anted many shrubs,so that the garden soon looked more beautiful.2By the year 2030,development in biochemistry and medical science will have made it theoretically possible for us to live for at least 150 years.到2030年，生物化学和医学的发展将能够在理论上使人类至少活到150岁。make it possible意为“使成为可能”，it是形式宾语，代替后面的真正宾语不定式。句子仿写宇宙飞船
6、使去月球旅行成为可能。_答案：Spaceships make it possible to travel to the moon.3Some like to read fantasy stories and imagine what the world will be like in 10,50 or even 1,000 years time.有些人喜欢阅读幻想故事，想象世界在10年，50年甚至1,000后会变成什么样子。此句中Whatbe主语like？句型意为“是什么样子？”句子仿写不管你是谁，你都要遵纪守法。_答案：No matter who you are,you must keep the law.
