Unit 4课文重难点过关外研版选择性必修第四册.docx

外研版选择性必修第四册Unit 4课文重难点过关.单词拼写1What are you worried about?The fact that many children are still being _(虐待)2I was _(稍微) surprised when I heard about this decision.3Try to avoid being_(主观的) and one-sided when looking at problems.4As you know，if you do the same thing over and over again，you begin to do it _(自动地)5It is hard for Greek government to get over the present difficulties unless it gets more_ （金融的）support from the European Union.6The thief pretended as if he had known nothing about the _（偷窃）.7I hope that time will take away the_ （痛苦）of your recent loss.1.abused 2 mildly 3 subjective 4 automatically 5 financial 6 theft 7 sorrow.选词填空下面的短文是P4445的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文。Weve been told since we were 9._ that “Its good to share”We are even reminded to share joys and 10._with others.The behavior of sharing is beneficial to setting up positive emotional bonding.The action of sharing is not just about sharing sweets or 11._；it has expanded to almost every aspect of our lives.The sharing economy is taking off in all sorts of areas.This wealth of ways of sharing is a response to our increasing demand for quality goods and services at competitive prices，all delivered at the click of a button.Whether its an online shop where we can 12._ designer clothes at rock-bottom prices，or a platform from which we can 13._our flats for a couple of days，its out there.Sharing encourages us to reuse items，thereby cutting down on waste.But the sharing economy is not without its problems.Some companies are taking unfair advantage of this situation to expand their share of the market，often 14._more traditional and established companies.In addition，the sharing economy is subject to 15._of trust.Nonetheless，what is in no doubt is that the sharing economy is increasingly relevant to our daily lives as well as to the global economy.9.toddlers 10 sorrows 11 frustration 12 hire 13 rent out 14 at the expense of 15 abuse .经典句式1whether.or.无论还是无论我们是贷款人还是借款人，这都是双赢的局面；每个人都赚钱或存钱。_2现在分词短语作结果状语而且，共享鼓励我们重复使用物品，从而减少浪费。_3as引导非限制性定语从句正如世界各地新的经济活动领域经常出现的情况一样，共享经济的发展速度超过了现有的法规或正在进行的监管。_4such.that.它发展的速度如此之快，我们只能想象未来会有什么。_1 Whether were a lender or a borrower，its a win-win situation；everyone makes or saves money.2 Whats more，sharing encourages us to reuse items，thereby cutting down on waste.3 As is often the case all over the world with new areas of economic activity，the sharing economy is developing faster than existing regulations or ongoing supervision.4 It is expanding at such a rate that we can only imagine what it will comprise in the future.七选五While you are heating your food，you may wonder how close you can safely stand next to a microwave，and whether any radiation could escape from the device and potentially harm you.In theory，microwaves can heat body tissues in the same way they heat food，and at high levels，microwaves can cause burns and cataracts. 1 They will generally occur when people are exposed to large amounts of radiation escaping through openings in the oven.As a result，there is little cause for concern about using microwaves ovens，unless there is damage to the door.Still，the FDA(美国食品和药物管理局) recommends that you check your microwave oven carefully and do not use it if the door doesnt close properly，or if it is “bent，warped，or otherwise damaged.” 2 As far as injuries from microwave ovens go，the most common way people are injured is via heat-related burns from touching hot containers or overheated foods，or being exposed to exploding liquids. 3 The agency also warns that，when you use a microwave to heat water in a cup，theres a risk of the water becoming “superheated”，which means it has heated past its boiling point. 4 But just a slight disturbance to the waterwhich can occur when touching or picking up the cupcan cause an eruption of boiling water.This can lead to skin burns or scalding injuries，particularly on the face and hands.To prevent superheated water from forming，the FDA says people should not the recommended heating time for water，as indicated in the ovens instruction book. 5 ABut these types of injuries are very rare.BWhen this happens，the water does not appear to be boiling.CHowever，injuries from microwave radiation are unavoidable sometimes.DThough microwaves dont affect health as X-rays do，that doesnt mean they are risk-free.EPeople should use common-sense precautions when handling hot foods in microwaves.FIndeed，its a good idea to follow the instruction book to help keep yourself safe when using it.GBesides，it is suggested that you dont lean against a microwave for too long during operation.1A2G3E4B5F