Unit 20 Archaeology教案
a. the atomic energy b. the atoms
c. the body cells d. the germs in the body
【綜合技能導讀】
一、生詞和詞組
1. root[ru t](1)n. ①[c] part of a plant that keeps it firmly in the soil and absorbs water and food from the soil根 eg:
the root of a tree樹根 pull up a plant by the roots把植物連根拔起
②[c]community where he grew up or lives or where his ancestors lived （家庭的）根 eg:
many americans have roots in europe.許多美國人祖籍在歐洲。
③[c]part of hair, tooth, nail or tongue that attaches it to the rest of the body（毛發、牙齒、指甲或舌頭的）根部 eg:
the root of a hair發根
④[c] source or basis根源；根基；基礎 eg:
the root of the problem問題的根源
money is often said to be the root of all evil.金錢常常被說成是萬惡之源。
(2)vi. send down roots and begin to grow生根成長 eg:
this type of plant roots easily.這種植物容易生根成長。
(3)vt. plant sth.種植某物 eg:
may is the best season to root certain vegetables.
五月是播種某些蔬菜的最佳季節。
注：rooted[′ru tid]adj. 有根的；根深蒂固的 eg:
a story firmly rooted in reality常常扎根于現實的小說
2. site[sait](1)n. (1) ①place where a building (town) was, is or will be situated（建筑物、城鎮等的）地方，位置，遺址，地基 eg:
the site of an old palace古宮殿的遺址
②place where sth. has happened or will happen（事情發生的或活動的）地點，現場 eg:
the site of the battle戰場
rescue workers rushed to the site of the plane crash.
救護人員急速趕到飛機墜毀的現場。
(2)vt. locate (a building, etc.); place選定（建筑物）用地，設址 eg:
is it safe to site the power-station here?把發電廠建在這里安全嗎？
3. remind[ri′maind]vt. ①inform sb. of a fact or tell sb. to do sth.提醒某人注意某事或做某事eg:
i reminded him to work hard.我提醒他要用功。
she reminded me that i hadn’t watered the flowers.她提醒我還沒有澆花。
②cause sb. to remember sb./ sth.使某人想起 eg:
he reminds me of his father.看到他使我想起他的父親。
注：常用詞組：remind sb. to do提醒某人做事
remind sb. that…提醒某人做 remind sb. of sth.使人想起
4. mask[m sk](1)n. ①[c] covering for the face 面具；面罩 eg:
put on a mask戴假面具，隱瞞真相
throw off the mask脫下面具；亮出真面目
②[c]thing that hides the truth; pretence用作掩蓋的事物；掩飾；偽裝
eg: her sociable manner is really a mask for a very shy nature.
她那好交際的作風，實際上是她靦腆天性的偽裝。
（2）vt. ①cover the face with a mask用面具遮住臉 eg:
the thief masked his face with a stocking.
那賊套上長筒襪遮住臉。
②conceal sth.; disguise掩蓋；偽裝 eg:
this perfume won’t mask the unpleasant smell.
這種香水遮不住那股難聞的氣味。
mask one’s fear by a show of confidence 裝出有信心的樣子來掩飾內心的恐懼