人教版高中英语选修八 Unit 5 Meeting your ancestors part 1 Key Words and Expressions 课件（15张）
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| 名称 | 人教版高中英语选修八 Unit 5 Meeting your ancestors part 1 Key Words and Expressions 课件（15张） |  | |
| 格式 | zip | ||
| 文件大小 | 293.2KB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2019-06-29 22:13:54 | ||
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课件15张PPT。Key Words andPart 1Expressions1 interrupt
vt. & vi.打断……讲话；打岔；暂时中断或中止
It’s impolite to interrupt people when they are talking.
打断人家的讲话是不礼貌的。
The game was interrupted several times by rain.比赛因下雨中断了几次。 2 assume vt. 假定；设想 Assuming it to be true, what should we do now? 假设这是真的，我们现在怎么办？
3 sharpen vi. & vt. 削尖；(使)锐利
She sharpened her pencils and started drawing.她削尖铅笔，开始画画。
He started to sharpen his knife. 他开始磨刀。 4 ripen vi. & vt. (使)成熟
Fruit sweetens as it ripens. 水果成熟后就好吃了。
The sun ripens the corn. 阳光使农作物成熟。
注：在sharp, ripe, sweet, broad, deep等形容词后加?en变成动词。 5 ample adj.足够的；富裕的 There is ample time to get to the airport.有足够的时间到达机场。 (enough, abundant)
6 significance n.意义；重要性Enlarging English words is of great significance for/to English learners. 扩大词汇量对英语学习者非常重要。 7 spit (spit /spat, spit /spat) vt.吐出 vi.吐痰
She took a mouthful of food and then suddenly spat it out. 她吃了一口食物,突然又吐了出来。
It is considered rude to spit in public. 当众吐痰属不雅行为。
8 delete vt.删除 His name has been deleted from the list.他的名字从名单中删除了。9 scratch
n.(刮，抓，划的)痕迹；vt.搔痒；抓
There’s a scratch on the side of my car. 我的汽车侧面有一道划痕。
He pretended to scratch his ear. 他假装搔耳朵。10 applaud vi. & vt.鼓掌；赞赏
The audience applauded (him) loudly.观众(为他)热烈鼓掌。
I applaud your decision. 我赞赏你的决定。(approve)11 accelerate vi. & vt.加速；促进 The car suddenly accelerated. 汽车突然加快了速度。
It is still of great significance for our country to accelerate economic growth. 加速经济发展对我国依然很重要。12 arrest vt. 逮捕；吸引 n. 逮捕；拘留
Many people were arrested for drunk driving. 很多人因醉驾被拘留。
Campus safety has arrested nationwide attention. 校园安全已引起了全国的关注。13 regardless adv.不管；不顾
◆regardless of 不管；不顾(in spite of)
I protested, but she carried on regardless. 我极力反对，但她置之不理仍一意孤行。
We must keep on trying regardless of meeting with any difficulty. 不管遇到任何困难，我们都要坚持下去。14 at most 至多；最多 You can borrow 3 books at most from the library at a time. 你从图书馆一次最多只能借3本书。
15 cut up 切碎 She cut up the carrot and put it into the pot. 她把胡萝卜切碎后放入锅中。16 be fed up with 受够了；饱受；厌烦 I am fed up with the life without purpose. 我讨厌没有目标的生活。(be bored with; be tired of)17 look ahead 向前看；为将来打算Just look ahead and you will see a beautiful park. 向前看去，你就会看到一个漂亮的公园。
I’m trying to look ahead at what might happen and be ready to handle it. 我打算未雨绸缪，作好应对准备。
18 date back to 追溯到……；始于……
The history of the temple dates back to three thousand years ago. 这座庙的历史可追溯到3000年前。(date from)
vt. & vi.打断……讲话；打岔；暂时中断或中止
It’s impolite to interrupt people when they are talking.
打断人家的讲话是不礼貌的。
The game was interrupted several times by rain.比赛因下雨中断了几次。 2 assume vt. 假定；设想 Assuming it to be true, what should we do now? 假设这是真的，我们现在怎么办？
3 sharpen vi. & vt. 削尖；(使)锐利
She sharpened her pencils and started drawing.她削尖铅笔，开始画画。
He started to sharpen his knife. 他开始磨刀。 4 ripen vi. & vt. (使)成熟
Fruit sweetens as it ripens. 水果成熟后就好吃了。
The sun ripens the corn. 阳光使农作物成熟。
注：在sharp, ripe, sweet, broad, deep等形容词后加?en变成动词。 5 ample adj.足够的；富裕的 There is ample time to get to the airport.有足够的时间到达机场。 (enough, abundant)
6 significance n.意义；重要性Enlarging English words is of great significance for/to English learners. 扩大词汇量对英语学习者非常重要。 7 spit (spit /spat, spit /spat) vt.吐出 vi.吐痰
She took a mouthful of food and then suddenly spat it out. 她吃了一口食物,突然又吐了出来。
It is considered rude to spit in public. 当众吐痰属不雅行为。
8 delete vt.删除 His name has been deleted from the list.他的名字从名单中删除了。9 scratch
n.(刮，抓，划的)痕迹；vt.搔痒；抓
There’s a scratch on the side of my car. 我的汽车侧面有一道划痕。
He pretended to scratch his ear. 他假装搔耳朵。10 applaud vi. & vt.鼓掌；赞赏
The audience applauded (him) loudly.观众(为他)热烈鼓掌。
I applaud your decision. 我赞赏你的决定。(approve)11 accelerate vi. & vt.加速；促进 The car suddenly accelerated. 汽车突然加快了速度。
It is still of great significance for our country to accelerate economic growth. 加速经济发展对我国依然很重要。12 arrest vt. 逮捕；吸引 n. 逮捕；拘留
Many people were arrested for drunk driving. 很多人因醉驾被拘留。
Campus safety has arrested nationwide attention. 校园安全已引起了全国的关注。13 regardless adv.不管；不顾
◆regardless of 不管；不顾(in spite of)
I protested, but she carried on regardless. 我极力反对，但她置之不理仍一意孤行。
We must keep on trying regardless of meeting with any difficulty. 不管遇到任何困难，我们都要坚持下去。14 at most 至多；最多 You can borrow 3 books at most from the library at a time. 你从图书馆一次最多只能借3本书。
15 cut up 切碎 She cut up the carrot and put it into the pot. 她把胡萝卜切碎后放入锅中。16 be fed up with 受够了；饱受；厌烦 I am fed up with the life without purpose. 我讨厌没有目标的生活。(be bored with; be tired of)17 look ahead 向前看；为将来打算Just look ahead and you will see a beautiful park. 向前看去，你就会看到一个漂亮的公园。
I’m trying to look ahead at what might happen and be ready to handle it. 我打算未雨绸缪，作好应对准备。
18 date back to 追溯到……；始于……
The history of the temple dates back to three thousand years ago. 这座庙的历史可追溯到3000年前。(date from)