1、Unit 1Section B(1)There comes a time when the old must give way to the new.新旧更替的时代已经到来give way to 让步；屈服If you identify your way,the world is going to give way to you.如果你认清了自己的道路，这个世界就会给你让路。The storm gave way to bright sunshine.暴风雨过后阳光灿烂。give in让步，屈服，投降；呈上，交上give in to.向屈服give up doing sth.放弃做某事give
2、away泄露；赠送，分发give back 归还；使恢复give out 用完，耗尽；分发，散发give off发出，放出（光、热、气味等）【归纳拓展】1.Would you please give way _ other passengers?2.The children were required to give _ their examination papers straight away.3.If a person has not had enough sleep,his actions will give him _ during the day.4.He should _（让位于
3、）a younger,more decisive leader.toinawaygive way toFinding and keeping the right balance betweenprogress and the protection of cultural sites canbe a big challenge.在发展与文化遗址保护之间找到恰当的平衡点，并加以保持，这可能是一项巨大的挑战。balance n.&vt.（1）n.平衡；均衡；均匀；天平搭配keep ones balance 保持平衡lose ones balance 失去平衡keep a balance betwee
4、n A and B保持A与B之间的平衡the balance of nature 自然界的平衡I struggled to keep my balance on my new skates.我穿着新溜冰鞋，努力保持平衡。Try to keep a balance between work and relaxation.尽量保持工作与休闲平衡。（2）v.使平衡；使均衡搭配balance A with/and B同等重视（相对的两个事物或方面）She tries to balance home life and career.她力图兼顾家庭生活和事业。【词语积累】balanced adj.保持平衡
5、的；均衡的a balanced diet 均衡饮食1.While promoting economy we should keep _ balance between development and protection.2.It can be hard to find the right balance between advising your children _ controlling them.3.It is pretty important for teenagers to have a _(balance)diet.aandbalanced4.When he was runnin
6、g after his brother,the_（失去平衡）boyand had a bad fall.5.This umbrella is likely to help you _（保持平衡）.6.Many approaches have been tried to _（保持自然界的平衡）.lost his balancekeep your balancekeep the balance of natureBig challenges,however,can sometimes lead togreat solutions.然而，巨大的挑战有时候会带来伟大的解决方案。lead to导致，造成
7、（后果）；通向，通往搭配lead to the traffic accident 导致这场交通事故lead to the top of the hill 通往山顶Eating too much sugar can lead to health problems.食用过多的糖会引起健康问题。All roads lead to Rome.条条大路通罗马。【学法点拨】lead to 中的to为介词，后加名词或动名词作宾语。“导致，引起”的多种表达：result in;bring about;contribute toDoes drinking polluted water contribute to
8、 the disease?饮用被污染的水会导致这种疾病吗？写出lead to 在句中的意思1.Some people fear that air pollution may lead to changes in the climate around the world._2.Which door leads to the yard?_完成句子3.War never settles anything.It only _(导致暴力）4.It doesnt matter whether you turn right orleft at the crossing-both roads _（通向公园）.
9、导致通向leads violencelead to the park.the Egyptian government wanted to build anew dam across the Nile in order to controlfloods.埃及政府打算在尼罗河上新建一座大坝，可以防洪in order to为了，以便（表示目的）Mary jogs every morning in order to keep fit.为了保持健康，玛丽每天早上慢跑。in order to 可替换为so as to(1)in order to可以放在句首或句中，否定形式是in order not to。
10、(2)so as to 一般不放在句首，否定形式是 so as not to。【学法点拨】动词不定式的一个主要作用是在句中作目的状语in order to 与so as to则使目的更加明确。in order to不可替换为so as toIn order to find the missing child,the villagers have been doing all theycan over the past five hours.为了找到失踪的孩子，村民们在过去的五个小时里竭尽全力。1.All these gifts must be mailed immediately inorde
11、r _(receive)in time.2.He worked extra hours _（为了完成）the taskahead of time.3._（为了不被听到），she pointed her finger upwards to signal that someone was moving about upstairs.to be receivedin order to finish/so as to finishIn order not to be heardBut the proposal led to protests.但是该提案引发了抗议。proposal n.提议；建议搭配m
12、ake a proposal提出建议put forward/submit a proposal 提出/提交建议come up with a proposal 想到一个建议draw up a proposal 起草提案The government made a proposal to build a new dam.政府提议建一座新大坝。【词语积累】propose v.提议；建议；打算他提议中国书法应当在小学期间广泛提倡。【学法点拨】propose(建议)后的宾语从句及proposal后的同位语或表语从句应使用虚拟语气，即从句谓语用“should+动词原形”，should可以省略。He prop
13、osed that the Chinese calligraphy should be widely promotedthroughout primary school.1.The _(propose)he put forward is to be discussed at the meeting.2._(proposal)for a new public library are under discussion.3.In his speech he proposed that the UN _(set)up an emergency centre for the environment.4.The proposal that we _(send)another satellite into space is to be discussedat the meeting.5.Experts investigated the issue,conducted several tests,and then _(提出建议）to the committee.proposalProposals(should)set(should)sendmade a proposal
