外研版高中英語必修三《Disaster and hope》SectionC PPT下載，共23頁。
課文預(yù)習(xí)自測
Ⅰ 閱讀理解（根據(jù)課文內(nèi)容選擇正確答案）
1. What is the text mainly about?
A. The cat’s being lost and found in the terrible storm.
B. The author’s experience and optimistic attitude in the storm.
C. The stars looking more beautiful and attractive after the storm.
D. The author’s habit of watching the stars after the storm.
2. What do we learn about the author’s family?
A. The author’s cat and the roof were blown away. B. Mom was successful to run out of the room.
C. They went out by boat on the“street river” D. It became unsafe for them to stay at home.
3. What matters for the whole family in Mom’s eyes?
A. Staying together and being safe.
B. Watching the stars with no lights.
C. Staying away from home for a few days.
D. Having clothes on their backs.
4. The passage is developed by_______.
A. using examples
B. analyzing causes
C. making comparisons
D. following the time orde
題組練·領(lǐng)悟方法
核心詞匯
教材原句p.68 All of a sudden， there was sky where the roof had been.
霎時間，屋頂變成了天空。
1 all of a sudden 突然，猛然
All of a sudden，he lost touch with his close friend.他和密友突然失去了聯(lián)系。
【學(xué)法點撥】
all of a sudden 是副詞性短語，相當(dāng)于 suddenly，但只能用來修飾整個句子，通常放在句首。
【歸納拓展】
all at once 突然，忽然；同時，一起
教材原句p.68 Our street turned into a river in seconds.
瞬間就將道路淹沒成河流。
2 turn into （使）變成
turn into desert 變成沙漠
turn into a star 變成明星
At last，he turned the wasteland into a unique garden.
最后，他把這片荒地變成了一個獨特的花園。
【歸納拓展】
turn on/off 打開 / 關(guān)掉 turn up 調(diào)高；出現(xiàn)；被找到
turn down 調(diào)低；拒絕 turn in 上交；交還
turn out 結(jié)果是，證明是 turn over 翻轉(zhuǎn)；移交
turn to 求助于；翻到；轉(zhuǎn)向（to 是介詞）
教材原句p.68 There was water everywhere， but we couldn’t drink any of it otherwise we’d get really sick.
到處都是水，可我們一滴也不能喝，否則就會染上重病。
3 otherwise adv.否則，要不然
（1）v. 允許，準(zhǔn)許，許可
We’ll go there somehow，by boat or otherwise.
我們將要設(shè)法去那里，乘船或用其他辦法。
【學(xué)法點撥】
（1）otherwise 通常用于“祈使句 + otherwise + 陳述句”句型，意為“否則”，相當(dāng)于 or。
Hurry up，or/otherwise we will be late for the meeting.
快點兒，要不然我們開會就遲到了。
（2）otherwise 常用于虛擬語氣句中，表示否定的條件，即表示與前述內(nèi)容相反的條件。敘述與現(xiàn)在或?qū)硎聦嵪喾吹那闆r，謂語用“would/could/should/might + do”；敘述與過去事實相反的情況，謂語用“would/could/should/might + have done”。
Thank you for your help! Otherwise，we would not have adjusted to the environment so quickly.
多謝你的幫助！不然的話，我們是不會這么快適應(yīng)環(huán)境的。
教材原句p.69 But as Mom kept on reminding us，we were all together and safe.
不過就像媽媽一直提醒我們的那樣，好在全家人都在一起而且平安無事。
4 keep on doing sth.反復(fù)做某事；繼續(xù)做某事
You must keep on working in the evening，unless you are sure you can finish the task on time.
你必須在晚上繼續(xù)工作，除非你確信你能按時完成任務(wù)。
【歸納拓展】
（1）keep doing sth. 繼續(xù)做某事；反復(fù)做某事 keep sb. doing sth. 使某人一直做某事
keep sb. from doing sth. 阻止某人做某事
He kept asking the same question at class，which confused us greatly.
他在課堂上總是問同樣的問題，把我們都弄糊涂了。
（2）keep...away（from）（= keep...off）使……不接近；避免接近，遠(yuǎn)離
keep out of 使不進(jìn)入……；避免（麻煩等） keep back 隱瞞；抑制，控制（情感）
keep up 繼續(xù)下去，堅持下去；保持（情緒、體力、士氣等）
keep up with 跟上 keep to 遵守，遵從
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關(guān)鍵詞：Disaster and hope PPT課件免費下載，.PPTX格式；
