人教版高中英語必修一《Languages Around The World》Period Two PPT課件，共91頁。
課堂新知講練
1．base vt.以……為據(jù)點；以……為基礎
n．底部；根據(jù)
Paraphrase: to have your main place of work, business, etc; foundation; bottom
(P62)At the beginning, written Chinese was a picture-based language.
最初，書面漢語是一種以圖形為基礎的語言。
The movie is based on/upon the popular novel of the same name.
這部電影是以同名流行小說為基礎(改編)的。
On the basis of my own experience, I made this decision.
我根據(jù)自己的經(jīng)驗做出了這個決定。
Access to justice is a basic right.
享有公正是一種基本權利。
【語境串記】
Basically, his income only meets basic living expenses.So he only chooses a simple lifestyle based on his limited salary.
基本上，他的收入只能滿足基本的生活開支。所以他只會根據(jù)自己有限的薪水選擇簡單的生活方式。
2．date back (to…) 追溯到
(P62)It dates back several thousand years to the use of longgu—animal bones and shells on which symbols were carved by ancient Chinese people.
它可以追溯到幾千年前龍骨的使用——古代中國人在動物骨頭和貝殼上面刻畫符號。
The history of the Great Wall can date back to/date from the Qin Dynasty.
長城的歷史可以追溯到秦朝。
Should we set a date for the next meeting?
我們是不是該確定一下下次會議的日期呢？
The news you told me was out of date but you thought it was up to date.
你告訴我的新聞是過時的，但你卻認為是最新的。
To date, we have received over 200 replies.
到目前為止，我們已收到200多封回信。
【特別提醒】
date from與date back to常用于一般現(xiàn)在時，不用于被動語態(tài)和進行時態(tài)，常用現(xiàn)在分詞短語形式作后置定語。
3．variety n．(植物、語言等的)變體；異體；多樣化
Paraphrase: a type of thing, such as a plant or animal, that is different from others
(P62)Over the years, the system developed into different forms, as it was a time when people were divided geographically, leading to many varieties of dialects and characters.
在隨后的年代里，這一體系發(fā)展成了不同的形式。這是由于當時人們居住地域的分隔，從而導致不同的方言和漢字變體的產(chǎn)生。
Our customs vary from place to place.
我們的風俗習慣因地而異。
Salaries vary with various jobs.
薪水隨各種各樣的工作而異。
Everyone arrived late at the party for various reasons.
由于種種原因，每個人到達聚會都很晚。
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關鍵詞：Languages Around The World PPT課件免費下載，.PPTX格式；
