高三英語Astronomy教案
5). developing 6). fundamental 7). physicist
ⅲ.重點詞匯（旨在提供詞匯綜合運用材料）
1. system n.[c] 系統；體系；制度；方法 systematic adj 有系統的; 有條理的
[典例]
1). the solar system includes the sun and its eight planets. 太陽系包括太陽和它的八顆行星。
2). alcohol is bad for your system. 喝酒對身體有害。
[練習] 根據句子的意思完成句子。
1). the ______ ______ (教育系統) operates very differently in the us and china.
2). he introduced us a well-designed ______ ______ (鐵路系統).
keys: 1). educational system 2). railway system
2. lay vt. (laid, laid, laying) 把放下；擺設；鋪(地毯) ；產(蛋)
[典例]
1). he laid his hand on my shoulder. 他把手放在我的肩上。
2). who should we lay the blame on? 我們該責備誰?
[重點用法] lay短語：
lay eggs 下蛋 lay sth. aside 把某物放在一邊；積蓄（錢）
lay sth. down 把某物放下 lay the blame on sb.責備某人
lay the table 擺桌子 lay emphasis / stress on sth. 把重點放在某事上
[練習] 根據句子的意思在括號里填入適當的詞或翻譯。
1). the bird ______ its eggs in other birds’ nests.
2). he is a political leader that _____ _____ _____ _____ (非常強調) individual responsibility.
3). he ______ some money ______ for rainy days.
keys: 1). lays 2). lays great stress on 3). lays/puts; aside
3. harmful adj. 有害的；傷害的 harm n.&vt. 傷害（某人）
[典例]
many people are aware of the harmful effects of smoking. 很多人都意識到吸煙的危害。
[重點用法]
be harmful to sb./sth. 對……有害 do harm to sb.= do sb. harm = harm sb. 對……有害；傷害……
[練習] 根據句子的意思在括號里填入適當的詞或翻譯。
1). everyone knows that smoking is ______ to your health.
2). in many cases, too much care for children from parents might even do ______ to their growth.
3). 在陽光下看書對你的眼睛傷害很大。
_______________________________________________________________________________
keys: 1). harmful 2). harm 3). reading in the sun does a lot of harm to your eyes. = reading in the sun does your eyes a lot of harm.= reading in the sun is very harmful to your eyes.
4. exist vi. 存在；生存 existence n. 存在
[典例]
1). does life exist on mars? 火星上有生命嗎?
2). i can hardly exist on the wage i’ m getting. 我靠我掙的工資簡直難以餬口。
[重點用法]