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(共35张PPT)
选择性必修 第三册
UNIT 4　A glimpse of the future
主题语境 科技发展与信息技术创新
背多分1 核心单词 多维速背
1.cell n. 细胞
2.victim n. 受害者
3.bound adj. 可能的
4.cite v. 引用，引述
5.leap n. 剧变
6.frown v. 皱眉
7.hop n. 跳跃
8.slope v. 成斜坡，倾斜
9.squeak v. 发出吱吱声
10.reckon v. 认为，以为
11.clue n. 线索，提示
12.client n. 客户，客人，顾客
13.positronic adj. 正电子的
14.tendon n. 腱
15.wavelength n. 波长
16.automation n. 自动化
17.agile adj. 敏捷的，灵活的
18.crater n. (物体坠落、炸弹爆炸等在地上造成的)坑
词缀记忆法：否定前缀im-、 il-、 ir-、 in- 表示“不；无；非”
①possible 可能的→impossible 不可能的
②polite 礼貌的→impolite 不礼貌的
③moral 道德的→immoral 不道德的
④legal 合法的→illegal 不合法的
⑤logical 逻辑的→illogical 不合逻辑的
⑥regular 规则的→irregular 不规则的
⑦correct 正确的→incorrect 不正确的
⑧accurate 准确的→inaccurate 不准确的
⑨effective 有效的→ineffective 无效果的
语义记忆法：“人(类)”的不同表达
①humanity　　　人类；人性
②human being 人类；人
③humankind 人类
④mankind 人类
⑤human 人
1.capacity n. 能力，才能
1)a capacity to do/for (doing) sth. 做某事的能力
have a(n) ... capacity for (doing) sth./to do sth. 能够做某事
2)be capable of (doing) sth. 能够做某事
①Capable of speaking/With a capacity to speak/for speaking fluent English, I can interact with foreign visitors with ease. 我能说一口流利的英语，可以轻松地与外宾互动。(申请信)
②She has an enormous capacity ________ hard work. 她特别能吃苦耐劳。
for
2.demand n. ①要求；需求　vt. ②强烈要求；需要　vi. ③查问
1)demand to do sth. 要求做某事
demand that ... (should) do sth. 要求……做某事(从句用虚拟语气)
2)a demand for ... 对……的需求/要求
be in (great) demand 需求大
meet/satisfy demand 满足需求
①As new members are ________ demand in our basketball club, I’m writing to invite you to join it. 由于我们篮球俱乐部招收新成员，所以我写信邀请你加入。(邀请信)
②Father demanded the twins ________________ (clean) up the kitchen when he helped make breakfast. 父亲要求双胞胎在他帮忙做早餐时把厨房打扫干净。(新高考Ⅰ卷续写)
in
(should) clean
3.desperate adj. 绝望的；孤注一掷的；非常需要的
1)be desperate for sth. 渴望得到某物；非常需要某物
be desperate to do sth. 渴望做某事
in desperation 绝望地；不顾一切地
2)其他表“渴望某物/做某事”的表达
be anxious for sth./to do sth.
be eager for sth./to do sth.
be dying for sth./to do sth.
long for sth./to do sth.
desire for sth./to do sth.
①The door opened, and I hurried into the elevator, desperate to escape. 门打开了，我赶快进了电梯，急于逃跑。(续写情感描写)
②She felt ____________ (desperate) tired, and her spirits sank. 她感到筋疲力尽，情绪低落。
③He cleared his throat and looked around in desperation to know how to begin. 他清清嗓子，绝望地环顾四周，想知道如何开始。
④My father’s reaction astonished me. I was anxious to know how he could be so calm.父亲的反应让我很惊讶，我想知道他怎么能如此镇静。(续写情感描写)
desperately
背多分2 短语句型 多维速背
artificial intelligence人工智能
a real achievement 真正的成就
1.hang out 常去某处；泡在某处
2.happen to ... 遭到；遇到
3.be susceptible to ... 易受……影响
4.be capable of 能够
a real threat 真正的威胁
5.wipe out 全部摧毁；彻底消灭
6.at risk 有危险；冒风险
7.be replaced with/by 被……所替代
8.be concerned about 关心；担心
9.lie in 在于
10.agree on 就……达成一致意见
11.have no choice but to do 别无选择只能做……
12.on the whole 大体上；总的说来
13.in contrast 相反；相比之下
14.in the long run 从长远来看
the world of tomorrow 未来的世界
1.bank on 依靠，指望
2.get one’s hopes up 抱有希望
3.intend to do 打算做
4.on the horizon 将要发生
5.be bound to 很有可能，肯定会
6.be likely to do 有可能做
7.so far 到目前为止
8.just around the corner 即将到来；在附近
9.sooner or later 迟早
10.ahead of one’s time 超越时代的；具有前瞻性的
sci-fi story 科幻故事
1.hold out 伸出；维持
2.take turns to do 轮流做
3.can’t wait to do 迫不及待地做
4.change one’s mind 改变主意
5.go through 经历；遭受；检查；用完；详细研究；通过
6.break down 出故障，坏掉；失败;(身体)垮掉；情不自禁地哭起来；使分解；砸倒；消除
7.difference between ... and ... ……和……之间的不同
8.as though 好像，似乎
9.in shock 震惊地；吃惊地
10.after all 毕竟，终归；到底；究竟
1.短语1 go through 经历；度过；通过；查阅；检查
go through with ... 完成/做完……
break through 突破；突围
get through 完成；(使)通过；(使)熬过；打通电话
look through 浏览；快速查看
live through 经受住
pull through (使)康复；(使)渡过难关
see through 看穿；识破
①I would be grateful if you could take some time to ____________ my application letter and make necessary changes.如果您能花些时间审阅我的申请信并做一些必要的修改，我将不胜感激。(求助信)
②The sun soon broke through the mist. 不久，太阳拨开云雾出来了。
③I lived through those desperate days, and was excited about the new life. 我度过了那些绝望的日子，对新生活感到兴奋不已。
go through
2.短语2 hold out ①伸出(手/胳膊)　②维持　③给予希望；使有可能
1)hold on 别挂断电话；停住；挺住；坚持住
hold on to 抓紧；不放开
hold on to/onto 保住(优势)；不送(或不卖)某物
hold back 阻挡；阻碍；抑制(感情等)；(使)犹豫
hold up 举起；抬起；支撑；支撑住；阻碍
2)catch/get/take (a) hold of 抓住；拿着；握住
get hold of sb. 和某人联系；找到某人
①I held out my hand to steady him. 我伸出手扶住他。
②I bent myself down, held him in my arms and rocked him gently. 我弯下腰将他抱在怀里，轻轻摇晃他。(续写动作链)
③It was through the experience that I was aware that I should _____________________ my dream and never give it up. 正是通过这次经历我才意识到我应该坚持自己的梦想永不放弃。(续写主旨升华)
hold on to/hold fast to
held
meant
what
Betty and Ryan almost dropped their jaws at the sight of the shabby classrooms and poor facilities. “How difficult it is for the children to live here!” they uttered. Then they quickly helped distribute the resources.
④_________________________________________________________
__________. During the two weeks, they played with the children and gradually ⑤______________________________________.
The joyful smiles on the faces of the children showed they became cheerful
learned to appreciate what they had
背多分3 续写素材 场景练背
——动作描写之back“背”
名词短语 ①back to back背靠背；背对背； ②turn sb.’s back扭头；转身； ③bend/hunch/arch sb.’s back弓着背； ④turn your back on sb./sth.背对某人(或某物)；背弃；抛弃； ⑤stretch sb.’s back伸懒腰； ⑥have sb.’s hands tied behind sb.’s back双手被反绑； ⑦lie on sb.’s back仰躺； ⑧carry ... on sb.’s back背着……
动词短语 ①back away后退； ②back off退缩； ③back out of退出；后退； ④back up后退
用“back”相关表达补全下面的微场景并背诵
微场景67　主题“救人脱险”——火灾中人物的“back”
We ①________________________ (退出房子) just as the fire engines raced onto our street with their sirens screaming. The fire was huge! Flames were shooting wildly out of the windows and through the roof of the hundred-year-old, three-story house next door. The flames were so tall that they were visible a few miles away. My husband raced next door to be sure our neighbors had gotten out. All family members were outside
backed out of the house
and safe ... including the dog. He ②__________________ (扭头) and dashed to the houses on the other street that backed up to the house on fire and banged on those doors to be sure the neighbors were safe. The air was thick with smoke, and it was hard to see and breathe.
turned his back
微场景68　主题“人与动物”——人与猫咪互动时的“back”
The cat, Olivia, crept in and dashed under the bed. I attempted to chase her out, but she scratched at me. When I didn’t ③__________ (后退), her eyes locked on mine. She ④_________________ (弓起背) and hissed. I ⑤_________________________ (仰躺在地板上) laughing until I couldn’t catch my breath. She shot out from under the bed, ⑥__________
_________ (伸了个懒腰) and disappeared for hours—until she was hungry. After that, she continued to ignore my existence. Occasionally, she would appear and sit at my feet, doze a bit, and then dash off on another outside adventure.
back off
arched her back
lay on my back on the floor
stretched
her backUNIT 4　A glimpse of the future
主题语境 科技发展与信息技术创新
背多分1　核心单词多维速背
1.cell n.细胞 2.victim n.受害者 3.bound adj.可能的 4.cite v.引用,引述 5.leap n.剧变 6.frown v.皱眉 7.hop n.跳跃 8.slope v.成斜坡,倾斜 9.squeak v.发出吱吱声 10.reckon v.认为,以为 11.clue n.线索,提示 12.client n.客户,客人,顾客 13.positronic adj.正电子的 14.tendon n.腱 15.wavelength n.波长 16.automation n.自动化 17.agile adj.敏捷的,灵活的 18.crater n. (物体坠落、炸弹爆炸等在地上造成的)坑
1.artificial adj.人造的,人工的→artificially adv.人工地;人为地→artificiality n.人造物;人工 2.assistant n.助手,助理→assist v.帮助;协助→assistance n.帮助;援助;支持 3.potentially adv.潜在地→potential adj.潜在的;可能的　n.可能性;潜在性 4.analyse v.分析→analysis n.分析→analyst n.分析者;化验员 5.regulate v.控制,管理→regulation n.章程;规章制度;规则 6.illegal adj.非法的,违法的→illegally adv.非法地→ legal adj.合法的 7.immoral adj.不道德的,道德败坏的→ moral adj.品行端正的;道德的 8.assess v.评价,评定→assessment n.看法;评估;评定;核定 9.horizon n.地平线→horizontal adj.水平的;与地面平行的;横的 10.cycle n.自行车　v.骑自行车→cyclist n.骑自行车的人 11.demand n.需要,需求　v.强烈要求;需要→demanding adj.苛求的;费力的 12.mechanical adj.机械的→mechanic n.机械师;技工;力学;机械学→machine n.机器 13.imitation n.仿制品→imitate v.模仿;仿效 14.tightly adv.紧紧地→tight adj.牢固的;紧的→tighten v. (使)变紧,更加牢固 15.desperate adj.拼命的,绝望的→desperately adv.拼命地,绝望地→desperation n.拼命,绝望 16.faulty adj.有故障的,有缺陷的→fault n.错误;过失;弱点;缺点 17.consistent adj.一贯的,一致的→consistently adv.一贯地→consistency n.一致性;连续性 18.capacity n.能力,才能→ incapacity n.无能力;缺乏技能
单词速记法
词缀记忆法:否定前缀im-、il-、ir-、in-表示“不;无;非” 语义记忆法:“人(类)”的不同表达 ①humanity　　　人类;人性 ②human being 人类;人 ③humankind 人类 ④mankind 人类 ⑤human 人
①possible可能的→impossible不可能的 ②polite礼貌的→impolite不礼貌的 ③moral道德的→immoral不道德的 ④legal合法的→illegal不合法的 ⑤logical逻辑的→illogical不合逻辑的 ⑥regular规则的→irregular不规则的 ⑦correct正确的→incorrect不正确的 ⑧accurate准确的→inaccurate不准确的 ⑨effective有效的→ineffective无效果的
capacity n. 能力,才能
1)a capacity to do/for (doing) sth.做某事的能力 have a(n) ... capacity for (doing) sth./to do sth.能够做某事 2)be capable of (doing) sth.能够做某事 ①Capable of speaking/With a capacity to speak/for speaking fluent English, I can interact with foreign visitors with ease.我能说一口流利的英语,可以轻松地与外宾互动。(申请信) ②She has an enormous capacity ________ hard work.她特别能吃苦耐劳。
demand n. ①要求;需求　vt. ②强烈要求;需要　vi. ③查问
1)demand to do sth.要求做某事 demand that ... (should) do sth.要求……做某事(从句用虚拟语气) 2)a demand for ...对……的需求/要求 be in (great) demand需求大 meet/satisfy demand满足需求 ①As new members are ________ demand in our basketball club, I’m writing to invite you to join it.由于我们篮球俱乐部招收新成员,所以我写信邀请你加入。(邀请信) ②Father demanded the twins ________ (clean) up the kitchen when he helped make breakfast.父亲要求双胞胎在他帮忙做早餐时把厨房打扫干净。(新高考Ⅰ卷续写)
desperate adj. 绝望的;孤注一掷的;非常需要的
1)be desperate for sth.渴望得到某物;非常需要某物 be desperate to do sth.渴望做某事 in desperation绝望地;不顾一切地 2)其他表“渴望某物/做某事”的表达 be anxious for sth./to do sth. be eager for sth./to do sth. be dying for sth./to do sth. long for sth./to do sth. desire for sth./to do sth. ①The door opened, and I hurried into the elevator, desperate to escape.门打开了,我赶快进了电梯,急于逃跑。(续写情感描写) ②She felt ________ (desperate) tired, and her spirits sank.她感到筋疲力尽,情绪低落。 ③He cleared his throat and looked around in desperation to know how to begin.他清清嗓子,绝望地环顾四周,想知道如何开始。 ④My father’s reaction astonished me. I was anxious to know how he could be so calm.父亲的反应让我很惊讶,我想知道他怎么能如此镇静。(续写情感描写)
背多分2　短语句型多维速背
artificial intelligence人工智能 　
a real achievement 真正的成就
1.hang out 常去某处;泡在某处
2.happen to ... 遭到;遇到
3.be susceptible to ... 易受……影响
4.be capable of 能够
a real threat 真正的威胁
5.wipe out 全部摧毁;彻底消灭
6.at risk 有危险;冒风险
7.be replaced with/by 被……所替代
8.be concerned about 关心;担心
9.lie in 在于
10.agree on 就……达成一致意见
11.have no choice but to do 别无选择只能做……
12.on the whole 大体上;总的说来
13.in contrast 相反;相比之下
14.in the long run 从长远来看
the world of tomorrow 未来的世界 　
1.bank on 依靠,指望
2.get one’s hopes up 抱有希望
3.intend to do 打算做
4.on the horizon 将要发生
5.be bound to 很有可能,肯定会
6.be likely to do 有可能做
7.so far 到目前为止
8.just around the corner 即将到来;在附近
9.sooner or later 迟早
10.ahead of one’s time 超越时代的;具有前瞻性的
sci-fi story 科幻故事 　
1.hold out 伸出;维持
2.take turns to do 轮流做
3.can’t wait to do 迫不及待地做
4.change one’s mind 改变主意
5.go through 经历;遭受;检查;用完;详细研究;通过
6.break down 出故障,坏掉;失败;(身体)垮掉;情不自禁地哭起来;使分解;砸倒;消除
7.difference between ... and ... ……和……之间的不同
8.as though 好像,似乎
9.in shock 震惊地;吃惊地
10.after all 毕竟,终归;到底;究竟
短语1go through 经历;度过;通过;查阅;检查
go through with ...完成/做完…… break through突破;突围 get through完成;(使)通过;(使)熬过;打通电话 look through浏览;快速查看 live through经受住 pull through (使)康复;(使)渡过难关 see through看穿;识破 ①I would be grateful if you could take some time to ____________ my application letter and make necessary changes.如果您能花些时间审阅我的申请信并做一些必要的修改,我将不胜感激。(求助信) ②The sun soon broke through the mist.不久,太阳拨开云雾出来了。 ③I lived through those desperate days, and was excited about the new life.我度过了那些绝望的日子,对新生活感到兴奋不已。
短语2hold out ①伸出(手/胳膊)　②维持　③给予希望;使有可能
1)hold on别挂断电话;停住;挺住;坚持住 hold on to抓紧;不放开 hold on to/onto保住(优势);不送(或不卖)某物 hold back阻挡;阻碍;抑制(感情等);(使)犹豫 hold up举起;抬起;支撑;支撑住;阻碍 2)catch/get/take (a) hold of抓住;拿着;握住 get hold of sb.和某人联系;找到某人 ①I held out my hand to steady him.我伸出手扶住他。 ②I bent myself down, held him in my arms and rocked him gently.我弯下腰将他抱在怀里,轻轻摇晃他。(续写动作链) ③It was through the experience that I was aware that I should __________________ my dream and never give it up. 正是通过这次经历我才意识到我应该坚持自己的梦想永不放弃。(续写主旨升华)
教材优美片段练背仿 　
Jimmy ①________ (hold )Robutt tightly. He was frowning too, and the desperate look on his face ②________ (mean) that he wouldn’t change his mind. He said, “But what’s the difference how they act How about how I feel I love Robutt and that’s ③________ counts.”
(续写神态描写)贝蒂和瑞安看到破旧的教室和糟糕的设施,几乎惊掉了下巴。“孩子们在这里生活是多么困难啊!”他们说。然后他们很快就参与进来,帮助分配资源。孩子们脸上喜悦的笑容表明他们变得很开心。 这两周,他们和孩子们一起玩耍,逐渐学会了珍惜他们所拥有的一切。
Betty and Ryan almost dropped their jaws at the sight of the shabby classrooms and poor facilities. “How difficult it is for the children to live here!” they uttered. Then they quickly helped distribute the resources. ④______________________________________________________________________________. During the two weeks, they played with the children and gradually ⑤______________________________________.
教考衔接1
背多分3　续写素材场景练背
——动作描写之back“背”
名词短语 ①back to back背靠背;背对背; ②turn sb.’s back扭头;转身; ③bend/hunch/arch sb.’s back弓着背; ④turn your back on sb./sth.背对某人(或某物);背弃;抛弃; ⑤stretch sb.’s back伸懒腰; ⑥have sb.’s hands tied behind sb.’s back双手被反绑; ⑦lie on sb.’s back仰躺; ⑧carry ... on sb.’s back背着……
动词短语 ①back away后退; ②back off退缩; ③back out of退出;后退; ④back up后退
用“back”相关表达补全下面的微场景并背诵
微场景67　主题“救人脱险”——火灾中人物的“back”
We ①______________________________ (退出房子) just as the fire engines raced onto our street with their sirens screaming. The fire was huge! Flames were shooting wildly out of the windows and through the roof of the hundred-year-old, three-story house next door. The flames were so tall that they were visible a few miles away. My husband raced next door to be sure our neighbors had gotten out. All family members were outside and safe ... including the dog. He ②__________________ (扭头) and dashed to the houses on the other street that backed up to the house on fire and banged on those doors to be sure the neighbors were safe. The air was thick with smoke, and it was hard to see and breathe.
微场景68　主题“人与动物”——人与猫咪互动时的“back”
The cat, Olivia, crept in and dashed under the bed. I attempted to chase her out, but she scratched at me. When I didn’t ③______________ (后退), her eyes locked on mine. She ④______________________ (弓起背) and hissed. I ⑤______________________________ (仰躺在地板上) laughing until I couldn’t catch my breath. She shot out from under the bed, ⑥__________________ (伸了个懒腰) and disappeared for hours—until she was hungry. After that, she continued to ignore my existence. Occasionally, she would appear and sit at my feet, doze a bit, and then dash off on another outside adventure.
UNIT 4　A glimpse of the future
背多分1
1.②for　2.①in　②(should) clean　
3.②desperately
背多分2
1.①go through　2.③hold on to/hold fast to
教材优美片段练背仿 　
①held　②meant　③what　④The joyful smiles on the faces of the children showed they became cheerful　⑤learned to appreciate what they had
背多分3
①backed out of the house　②turned his back　③back off　④arched her back　⑤lay on my back on the floor　⑥stretched her back

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