外研版九年級英語上冊《The Grand Canyon was not just big》Wonders of the world PPT免費下載，共35頁。
Lead in
Do you like visiting the wonders of the world?
What wonders did you visit?
Presentation
Is the Colorado River a natural wonder or a modern wonder?
It's a natural wonder.
Answer the following questions:
1. What’s the great wonder of the natural world the writer travelled to see?
The Grand Canyon.
2. What was the weather like when the writer arrived?
It was raining.
Language Points
1. go through 的用法
I got out of the car, went through a gate and walked along a dark path.
我下了車，穿過一扇門，沿著一條黑暗的小路走著。
go through 通過，穿過；經(jīng)歷
eg.The rain has gone through my overcoat.
雨水淋透了我的外衣。
go through 還可以表示：
1. 仔細查看、檢查
eg.Going through his list of customers is a massive job.
查閱他的客戶名單是個相當費勁的活兒。
2. 經(jīng)歷或遭受（不好的事情）
eg.The child is going through a difficult phase.
那孩子正經(jīng)歷困難的階段。
2. through 與go across的區(qū)別
through: 表示立體空間，從內(nèi)部穿過
eg.A path winds through the forest.
一條小路蜿蜒穿過森林。
across: 表示橫過，橫著穿過（從表面穿過）
eg.He waded across the stream.
他蹚過那條小河。
3. look over 的用法
I looked over them, but it was silent and there was no sign of it.
我朝那片巖石望過去，但是一片寂靜，還是看不見它。
look over （某物上面）看過去;仔細檢查[審視]（某人或某物）;過眼;翻閱
eg.Such “pyramids” can be used to look over the environs but it is very dangerous to climb them.
像這樣的“金字塔”可以被用來察看周圍環(huán)境。但是攀爬上去卻非常具有危險性。
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關鍵詞：The Grand Canyon was not just big PPT課件免費下載，.PPT格式；
