1、Unit 6 Space and beyondNowadays， people have become accustomed to space travel. If Neil Armstrong hadnt set foot on the Moon in 1969， much discovery of space wouldnt have been done. Following his Moon landings， space travel soon became unexceptional to the public. When theChallengerspace shuttle too
2、k off in 1986， the world seemed to have lost its wonder at the amazing achievements of the astronauts involved and forgotten how hazardous space travel could be. Tragically， the space shuttle exploded and the crew on board were killed. As the Challenger disaster cast a big shadow on the public， many
3、 reports were submitted requesting that space shuttle flights should be suspended for a few years. It took nearly three years before our enthusiasm was rekindled and the Discovery was launched successfully. The sacrifice of the Challenger reminds us that we must continue to reach for the stars no ma
4、tter how distant they might seem.1suspendvt.暂停，中止；悬挂；使暂时停职（或停学等）1.He was suspended from school for his repeated disturbing behavior.2.The airline declared the suspension（suspend） of flights between the two cities due to the sudden outbreak of the disease.3.由于列车停运，司机因无法处理紧急情况而被停职。 Due to the suspensi
5、on of the train， the driver was suspended from his position for his inability to handle emergency.be suspended from悬挂在上；被停职（或停学等）suspension n.延缓，暂停；停职2submit（submitted，submitted，submitting）v.提交，呈递；屈服，被迫接受1.Papers on ecology submitted（submit） after the deadline will be considered late and receive low
6、er grades.2.She had to submit herself to listening（listen） to his continuous complaint about his school policy for there was no one else in the room.点拨submit （oneself） to中的to为介词，其后只能跟名词、代词、v-ing形式作宾语。常见的容易出错的to作介词的短语有make contributions to doing， get down to doing， the key/answer to doing， when it co
7、mes to doing等。这些短语中的to容易被误以为是不定式符号，需要特别注意。3.When is the final date for the submission（submit） of our proposals？4.在任何情况下我们都不应该向生活中的挑战和困难屈服。（读后续写之主旨升华）Under no circumstances should we submit （ourselves） to the challenges and hardships in life.（submit）5.如果你对这个职位感兴趣，请于12月28日之前提交申请至校办公室。（通知）If youre inte
8、rested in the position， please submit your application to the school office before 28th December.submit sth. to向提交某物submit （oneself） to屈服/顺从于/不得已接受submission n.提交，呈递；屈服submissive adj.顺从的3become/be/getaccustomedto（doing）sth.习惯于（做）某事1.Even though the brain is used to ignoring（ignore） unnecessary detai
9、ls， it is programmed to remember repeated information.2.我们太习惯于使用手机获取信息以至于我们发现安静地坐着读会儿书很困难。 We are so accustomed to using our mobile phones for information that we find it difficult to sit quietly and read for a while. （accustom）accustomed adj.习惯于；惯常的become/be/get used to （doing）sth. 习惯于（做）某事4castash
10、adowon/over给蒙上阴影1.The director cast Jane as an ambitious lawyer， for which she was nominated as Best Actress.2.If you were cast（cast） on a deserted island， what would you do？3.这一悲剧给他们的生活蒙上了阴影，使他们郁郁寡欢。（情绪描写） The tragedy cast a shadow on/over their lives， making them gloomy and depressed.4.我认为约翰会成为一个好
11、班长，所以我要给他投票。I think John will make a good monitor， so Id like to cast a/my vote for him.cast v.（cast， cast）投射（光、影子等）；向投以（视线、笑容等）；投；掷；选派角色；投票n.全体演员cast sb. as sb.选某人扮演某人cast a/ones vote （for）（为）投票5情态动词havedone结构1.克里斯在期末考试中取得如此好的成绩，一定非常努力学习了。Chris must have studied very hard to achieve such good acade
12、mic performance in the final exam.2.我本不需要那么着急，去香港的航班因为台风被取消了。I neednt have been in such a hurry.The flight to Hong Kong was cancelled due to the typhoon.3.史密斯先生不可能去北京了，因为我刚才还在图书馆见过他。Mr Smith cant/couldnt have gone to Beijing， for I saw him in the library just now.4.我本应该在今天下午四点与你见面的，可是我母亲突然来看我，因此我出不去
13、了。（道歉信）I should have met you at four oclock this afternoon， but my mother suddenly came to visit me， so I couldnt go out.5.我本打算昨天去你家向你表示祝贺，但是你不在。I would have visited your home to congratulate you yesterday， but you were out.常见的情态动词have done结构：（1）表示猜测：may/might have done 可能做过must have done 一定做过cant/couldnt have done 不可能做过（2）表示与事实不符：could/should/would have done 本能/该/打算做（而没做）shouldnt have done 本不该做（而做了）neednt have done 本不必做（而做了）
