2017届高考英语复习冲刺阶段经典讲义系列突破阅读理解及书面表达 (2)

　　美文赏析

　　3­D printers are very hot today.They are being put to all kinds

　　of uses，ranging from creating

　　car models for movies to architectural① models.However，none of these ideas

　　are as shocking as the one suggested by Anjan Contractor，who believes that they

　　will be the key to ending world hunger.

　　According to some experts，world

　　population will increase to 10－12 billion by the end of this century.This means

　　that food will become very expensive

　　and possibly，even out of reach，for

　　billions of people.

　　This is where 3­D printing may

　　save the day.Anjan thinks that the only

　　way to

　　solve the problem will be to

　　equip every kitchen with a 3­D printer

　　and print out meals from tubes of powder

　　and oil.He believes that these meals with a shelf life of over 30 years would result in less food wastage.

　　More importantly，it would be easier to make food from things that we now do not consider edible②.A great example of that is the protein③ from meat.Most experts believe that as the population

　　grows，the supply is not going to be

　　enough to feed everyone.Anjan believes that we could easily get the same protein from

　　insects.Though all this futuristic food may

　　sound unappealing，the scientists believe that

　　when faced with a terrible food crisis④，it will be very welcomed.

　　While this may sound a little difficult to believe，Anjan seems to have convinced the scientists at NASA，who are looking for a solution to feed astronauts

　　when they go on really long missions⑤，like the one being planned

　　to Mars.

　　They gave Anjan $ 125,000 to start building the first re­

　　al 3­D printer that creates the food.

　　Anjan is not the only one with this idea.A group led by Professor Hod Lipson has been experimenting with this idea since 2011 and has even succeeded in printing out cube­shaped creations from

　　powdered milk and cookies with limited sugar!

　　From：www.dogonews.com

　　【解题导语】　本文主要讲述了3D打印机是否能够“打印”食物。

　　一、阅读与积累

　　1．攻克疑难词汇

　　①architectural adj.建筑学的，建筑方面的

　　②edible adj.可食用的

　　The food at the hotel was barely edible.

　　那家旅馆的食物几乎无法食用。

　　③protein n．蛋白质

　　④crisis n．危机

　　⑤mission n．任务

　　2．攻克疑难句

　　Though all this futuristic food may sound unappealing，the scientists believe that when faced with a terrible food crisis, it will be welcomed.

　　结构分析　though all this futuristic food may sound unappealing是由though 引导的让步状语从句；the scientists是主句的主语，谓语是believe；that when faced...是由连接词that 引导的宾语从句，其中when faced with a terrible food crisis是宾语从句中的状语。

　　尝试翻译　虽然这种未来的食物听起来可能不吸引人，但科学家们认为当面临可怕的食物危机时，这种食物将受到欢迎。

　　二、理解与尝试命题

　　1．理解文章主旨

　　The passage talks about whether_3­D_printers__will_be_the_key_to_end_the_world_hunger.

　　2．完形填空尝试命题

　　文中画线词汇是完形填空命题中最易挖空的地方，请你和你的同桌依据句法常识自主写出三个干扰选项，并且比较一下谁的更符合高考的命题特点。

　　①A.ranging

　　B．________

　　C．________

　　D．________

　　参考答案 B．changing　C．vary D．ranges

　　A.________

　　B．________

　　C．________

　　D．that

　　参考答案　A．what B．it　C．with；which

　　3．解题技巧点拨

　　完形填空解题技巧之五：分析句法，多管齐下

　　近几年的高考完形填空题中，虽然很少涉及语法知识，但是并不意味着不考查语法知识。对语法知识的考查往往是多方面的，为此，考生也要采用多种策略，多管齐下的方式来解题。对于难以把握的题目，不但要分析上下文逻辑关系，作者的写作目的与主旨，认真揣摩主人翁的态度，分析词法、句法功能，准确分析长难句等。

　　[真 题 典 例]

　　1．(2017·陕西卷)He could have made what was already an uncomfortable situation worse，43(but) he chose a different way and gave us a reason to believe that there is still__44__ in this world.I'll never 45(forget)his actions.

　　44．A.kindness

　　B．happiness

　　C．politeness

　　D．brightness

　　答案　A　[全句意思是：他本来可以使原本就不好的情况变得更加糟糕，但他选择了一个不同的方式并且让我们有理由相信，在这个世界上依然存在着善。根据句意和全文的中心可知选项A符合语境kindness“善良”。happiness“幸福”，politeness“礼貌”，brightness“聪明” ，不符合具体语境。]

　　2．(2017·山东卷)．..That was really a big 44(step)for me.By the end of the year，I had several new friends，and two of__45__ are still my best friends today.

　　45．A.us

　　B．which

　　　 C．them

　　D．whom

　　答案　C　[注意and这个连词的作用，它说明两句之间是并列关系，从语法的角度分析此处不是定语从句，因此不用关系代词which或者whom，此处也不是谈论包括对方的情况，所以不用us。因此them符合题意。]

　　[学 以 致 用]

　　(2017·广东卷)Number sense is not the ability to count.It is the ability to recognize a

　　change

　　in number...

　　It seems that number sense is something we have in common with many animals in this world，and that our human ________is not much better than a crow's.

　　A．sight

　　B．nature

　　C．ability

　　D．belief

　　答案　C　[考查名词。“It seems that number...than a crow's.”是对全文的总结。根据第一段第一句和第二句不难得出答案。主题结构为It seems that...句式，and后的that从句与第一个that从句并列。第一个从句中又含有一个定语从句修饰something，用于解释什么是数字感。]