Unit 2 Language單元復習學案
(3)mark“標志，標記”，指事物留下的深刻印跡或某物上用于辨別該物品的附屬物。
(4)signal“信號”，常指約定俗成，用于傳達某些信息的信號，也指燈光，聲音或信號標志。
15.用symbol，sign，mark和signal填空：
(1)george was responsible for the accident because he didn’t give a ________ to other drivers.
答案：signal
(2)in the picture the tree is the ________ of life and the snake is the symbol of evil.
答案：symbol
(3)sir，you are not to walk your pet on the lawn.don’t you see the ________：“keep off the grass”？
答案：sign
(4)one ________ of a writer’s greatness is that different minds can get a different inspiration from his works.
答案：mark
(5)a red light is a ________ of danger，which is even known to a fiveyearold child.
答案：signal
8. spread vt. 傳播，散布，撒；鋪開，展開；涂，抹
n. 傳播，散布；涉及區域，活動范圍
vi. (消息、謠言、知識等)傳播，傳開；(大火、沖突、疾病等)蔓延、傳染(開來)；伸展；延伸
(回歸課本p29)today，the spread of borrowed words’ is due to easily accessed television and radio programmes from across the world，and the internet.
今天，世界各地都可以方便地收看收聽電視、廣播節目，還有因特網的普及，使得外來詞廣為傳播。
歸納拓展
spread out 散開；伸展，延伸
spread over 遍布在
spread to 傳到，波及
spread oneself out 舒展四肢(躺下)
be spread for 擺好(桌子)準備
spread a on/ over b 在b上涂抹a,＝spread b with a 用a涂抹b
例句探源
①(朗文p1989)she spread the pages of the letter on the table.
她把那幾頁信攤開放在桌子上。
②(牛津p1948)there’s more room to spread out in first class.
頭等艙寬敞些，伸得開腿。
③small clever animals，now with hands and feet，appeared and spread all over the earth.
一些小巧聰明、長著手腳的動物出現了，它們分布在地球的各個地方。
④the desert spreads for hundreds of miles.
沙漠綿延數百英里。
易混辨析
extend，spread，stretch，expand
(1)extend“伸出，延伸”，指空間范圍的擴大，以及長度、寬度的朝外延伸，也可指時間的延長。
(2)spread“伸開，傳播”，一般指向四面八方擴大傳播的范圍，如傳播(疾病)，散布(信息)等。
(3)stretch“伸展，拉長”，一般指由曲變直，由短變長的伸展，不是加長。
(4)expand“展開、擴大”，不僅指尺寸的增加，還可指范圍和體積的擴大。
①metals expand when they are heated and contract when cooled.
②the road extends to the port.
③flies，mosquitoes and mice spread diseases.
④she stretched across the table for the butter.