人教版（2019）选择性必修第四册Unit 3Sea Exploration Reading and Thinking 学案（有答案））

Unit 3 Sea exploration
Reading and Thinking
学习目标
1.掌握本节生词及句型表达与运用。
2.通过阅读文章，了解过去和现在的海洋探索。
知识运用
1. extend
词性：____________ 意思：_____________
extend a fence/road/house扩建护栏/公路/房子
extension n.扩大，延伸；延期，延长期，放宽的期限
extensive adj.广阔的，广大的，大量的
练习：He first entered the country on a six-month visa, and was given a further _________ (extend) of six months.
2. negotiate
词性：____________ 意思：_____________
词性：____________ 意思：_____________
negotiate (with sb.) about/for sth.就某事（和某人）谈判
negotiate a deal/contract/settlement达成交易/确立合同/商定解决措施
negotiation n. 谈判，磋商，协商
enter into/open/conduct negotiations with sb.和某人开始/展开/进行谈判
in negotiation with sb.与某人协商
under negotiation在协商中
练习：We've decided to negotiate ___________ you _____________ our cooperation.
3. withdraw
词性：____________ 意思：_____________
withdraw (…) from...（使）从……撤离；（使）从……退出
withdraw money (from...)（从……中）取款
withdraw from… 离开……
withdraw to... 到……
练习：I made the choice to withdraw __________ the college to care for my grandma.
4.exchange
词性：____________ 意思：_____________
an exchange student 交换生
in exchange (for. . .)作为（对……的）交换
exchange sth. with sb. 和某人交换/交流某物/事
exchange sth. for sth. 用某物兑换某物
练习：They can build more factories on this land, and _____________ exchange they have to build houses for people there.
阅读探究
Name Description
The name of the trade route between China and the West
Its kings sent gifts such as giraffes to China
An area currently being explored for scientific reasons
A destination of silk and a major European capital
The modern country name for Ceylon
The historical period when China expanded maritime exploration to other regions
The author of Record of My Travels
The commander of the seven fleets
The person who wrote stories that inspired European explorers
句型梳理
Over the centuries further trading allowed more exploration of the regions to the west of China, as recorded in Du Huan's Record of My Travels in the eighth century.（P26）
几个世纪以来，贸易的进一步发展使得中国西部地区得到了更多的开发，这一点在8世纪杜环的《经行记》中有所记载。
本句是一个复合句。主句是further trading allowed。as recorded in是非限制性定语从句的省略形式，句子补全为：as it was recorded in.
知识拓展：
（1）as用于引导限制性定语从句时，主要与such，as，the same连用。
其意为“像……的”“凡是……的一类的人（物）”。
He is not such a man as would leave his work half done.
他并不是一个做事半途而废的人。
You must show her the same respect as you show me.
你必须对她表现出与对我同样的敬重。
（2）as用于引导非限制性定语从句时，根据情况可位于主句之前或之后，有时也可插在主句中间，其意为“这件事，这一点”。
The moon travels round the earth once every month, as is known to everybody.
众所周知，月球每月绕地球转一周。
As is often the case, a smart building is the crystallization of collective wisdom and skills.
通常情况就是这样，一座完美的建筑是集体智慧和技巧的结晶。
（3）as引导非限制性定语从句常见的有：
as we all know众所周知
as I can remember正如我所记得的
as often happens如经常发生的那样
as we expect如我们预料的那样
as was expected如预料的那样
as can be seen看得出来
as may be imagined如可以想象的那样
as has been said above如上所述
as we all can see正如我们都能看到的那样
as is often the case像常规那样
练习：众所周知，长城是世界上最长的城墙。
______ ______ _______ _____, the Great Wall is the longest wall in the world.
答案
知识运用
1. extension 2. with; about/for 3. from 4. in
句型梳理
As we all know
2