Unit 5 Languages around the world 单元复习课件(共15张PPT) 人教版（2019）必修第一册

(共15张PPT)
必修一 Unit5复习
1. refer v.提到; 参考; 查阅 (过去式/过去分词referred; referred)→reference n.参考;
2. base vt. 以....为基础n.根据；基础→based adj. 以（某事）为基础的；→basis n. 基础；基本原则→basic adj.基本的；n.基础；根本；→basically adv.基础地，根本地
3. symbol n.符号；象征→symbolize vt. 象征; →symbolic adj. 象征的，象征性的; →symbolically adv.象征地；象征性地
4. vary v. 变化；→variety n. 变体；多样化（复数varieties)；→various adj. 各种各样的；
5. major vi.主修；n.主修课程；adj.主要的；→majority n. 大多数；→minority n. 少数
6. classic n. 经典作品；名著adj. 经典的，传统的；→classically adv.古典主义地
7. character n.文字；符号；角色；品质；特点(汉字Chinese characters)→characterize vt. 具有…的特征→characteristic adj. 特有的；独特的；n. 特性，特征，特色
8. global adj. 全球的；全世界的→globe n. 球，球状物；地球；v.成球状(地球the globe) →globally adv. 全球地；在全球；在全世界
9. appreciate vt. 欣赏,重视,感激;领会 vi.增值→appreciation n.欣赏；感激→appreciative adj. 感激的;有欣赏力的→appreciated(adj)感激的（补充）
10. specific adj. 特定的；具体的→specialize vi. 专门从事；vt. 使专门化→specialization n. 专门化→ special adj. 特殊的,专门的→specially adv. 特别地；专门地→specifically adv. 特别地；明确地
11. beg vt. 恳求；祈求；(过去式/过去分词begged; begged); → beggar n.乞丐；vt.使贫穷
12. equal vt. 等于; 比得上 n. 相等物; adj. 相同的→ equally adv. 同样地；平等地→ equality n.同等；平等
13. describe vt. 描写;叙述; → description n.描写; → descriptive adj.描述的；叙述的; → descriptively adv. 叙述地；
14. demand vt. 强烈要求;需要 vi.查问；n.要求；需求;→ demanding adj. 要求高的;苛求的
15. relate vt.联系；讲述；→ related adj.与…有关→ unrelated adj.不相关的→relation n. (事物之间的）关系；联系；→ relationship n.关系；联系(人或团体之间的）→ relative adj. 相关的; n. 亲属，亲戚; → relatively adv. 相当地；相对地
1. -ic 形容词后缀、-ize动词后缀
2. -ar结尾的人
basic classic
specific dramatic
scientific electronic
energetic fantastic
historic artistic
athletic romantic
strategic democratic
academic organic
enthusiastic systematic
realize modernize organize
apologize prioritize maximize
minimize specialize summarize
modernize standardize symbolize
characterize emphasize
visualize stabilize
authorize finalize
scholar
liar
beggar
1. refer to 指的是，提到；参考；查阅
refer to...as...　把…称作…
in/with reference to 关于
reference book 参考书，工具书
2.base… on/upon=be based on 以…为基础
on a regular basis 定期
on the basis of 根据，以…为基础
3. varieties of=a variety of 各种各样的
vary from…to…在…到…之间变动
vary in 在…方面不同 vary with 随…变化
4. be equal to doing sth… 等于/胜任做某事…
5. in (great) demand　迫切需求的；受欢迎的
satisfy/meet one's demands　满足某人的需求
demand to do sth.　 要求做某事
demand that...(should) do...　 要求(从句)…
6. relate A to B=be related to 与…有关 in relation to关于…
7. It is (not) a struggle to do sth. 做…（不）是一件难事 struggle to do sth. 努力做某事
struggle against/with 与…作斗争 struggle for 为…奋斗 struggle to one’s feet 挣扎着站起来
8. regard… as… 把…看作;认为…是
give one’s regards to 代某人向…问候
with/ in regard to 关于/至于某事
regardless of 不顾;不管
9.major in 主修
10.a means of doing sth. 做某事的方法
by means of 用...办法；借助...
by no means决不，一点也不
11.appreciate (one’s) doing sth. 感激(某人)做某事
I would appreciate it if… 如果…，我将不胜感激
12. despite/in spite of doing sth. 尽管做了某事
despite/in spite of the fact that… 尽管发生了某事
13. date back to=date from 追溯到...
14. be of great benefit/ be beneficial 对…有益的
be of value=be valuable 宝贵的，很有用的
15. be native to…原产于… a native of …的 本地人
16. an attitude to/towards… 对…的态度
1.（be +of +抽象名词）
该书写体系对中国人民与中国文化的统一具有非凡的意义。
2.（it was a time when....）
……，这是由于当时中国人居住的地域的分隔，导致了不同方言和汉字变体的产生。
3.（介词+关系代词）
汉字也成为链接中国的现在与过去的重要途径。
4. (the +比较级...;the +比较级）
这是对大脑的锻炼；我对一门语言了解的越多，我的大脑发育得就越快。
1.（be +of +抽象名词）
That writing system was of great importance in uniting the Chinese people and culture.
2.（it was a time when....）
……, as it was a time when people were divided geographically, leading to many varieties of dialects and characters.
3.（介词+关系代词）
Written Chinese has also become an important means by which China’s present is connected with its past.
4. (the +比较级...;the +比较级）
It was exercise for the brain; the more I learnt of a language, the more my brain would grow.
refer to指的是；描述；提到；查阅refer...to...把……送交给……；让(人)参考……
refer to...as...把……称作……→...be referred to as...(被动)
·in/with reference to sb/sth 关于reference book/material参考书/参考资料
1. refer-referred-referred vi.提到；参考；查阅 vt.查询；叫……求助于
(reference n．提及，涉及；指称关系；参考；参考书目)
base...on/upon...把……建立在……的基础上
be based on/upon...以……为基础
on a daily/regular basis 每天/定期
on the basis of在……的基础上
2. base vt./ n．——basic adj.——basis n. ——basically adv.
a means of一种……的方法(means的单复数同形)
by all means可以；当然行；没问题
by means of借助……手段；依靠……方法
by no means绝不，一点都不(置于句首时，句子要部分倒装)
拓展：
mean-meant-meant及其用法
3. means—mean—meaning—meaningful—meaningless
·be without equal＝have no equal无与伦比
·be equal to sth/doing sth 等于/胜任(做)某事
·equal sb/sth in (doing) sth 在(做)某事上比得过、敌得过某人/物
4. equal—equality—equally
demand to do sth 要求做某事
demand that...要求……(从句中的谓语动词用“should＋动词原形”，should可省略)
be in (great) demand需求量大
meet/satisfy one’s demand(s)满足某人的需求
5. demand—demanding(adj)