Module 4 The natural elements
module 4 the natural elements一. 本周教學內容:
module 4 the natural elements
unit 1 electricity today
[教學過程]
重點詞匯
appliance efficiently electrical flash
fright neater lightening link
mainly microwave operate plug
pylon refrigerator steam storm
vacuum wire
be known as...
be known as作為……而出名
he is known as a fair judge.他作為一名公正的法官而出名。
同義詞:be famous as
辨析:be known for意思是“因……而出名”,相當于be famous for。
he was known for his frankness.他因坦誠而出名。
be known to意思是“……所熟知的”。
as is known to all, the earth is round.
正如大家所熟知的那樣,地球是圓的。
yet用法
在現在完成時的句子中,already常用于肯定句,yet常用于否定句和疑問句,但yet還有其他用法。
1. 用于否定句中,意思是“還、尚、迄今、到那時”。例如:
he is not yet here. 他還未到。
at three o’clock they had not yet decided whether to play basketball or not.
三點鐘時他們尚未決定是否去打籃球。
2. 用于疑問句中,意思是“已經”。例如:
is everything ready yet ? 一切都準備好了嗎?
3. 與比較級連用,意思是“更”。例如:
you must work yet harder. 你還需更努力地工作。
4. 與once , again , another 連用,意思是“再”。例如:
he has made yet another mistake.
他又犯了一個錯誤。
5. 用于肯定句中,意思是“仍然、還得”。例如:
she is yet a child. 她還是個孩子。
6. 用作并列連詞時,意思是“然而、可是”。例如:
he studied hard yet he failed.
他學習努力,可是考試仍未及格
still:yet 辨析
1a. 一般說來,這兩個副詞幾乎可以通用,只是兩者在句中的詞序稍有不同
比較:i’ve still a few more pages to read. 我尚有幾頁書要讀。
i’ve a few more pages to read yet. 我尚有幾頁書要讀。
we have exported a lot of goods,but we must export still more.
我們已出口了許多貨物,但仍須再多出口一些。
we have exported a lot of goods,but we must export more yet.
我們已出口了許多貨物,但仍須再多出口一些。
1b. 兩者的情態色彩和語氣強弱不一樣。試舉例來說明。
比較:is teddy still here?丹迪仍在這里嗎?(仿佛說,他曾在這里,但不知他走了沒有,所以這一句等于“hasn't he left?”的意思。)