Unit 2 Exploring English Understanding Ideas课件(共26张PPT) 外研版(2019)必修第一册

(共26张PPT)
Language Points
必修一 UNIT2
Understanding Ideas
1
2
3
4
5
1. have trouble learning（划线部分） 做某事有困难，相当于 have difficulty (in) doing sth。
派生词：trouble 本身可作动词，意为 “使烦恼；麻烦” ；troublesome adj. 麻烦的，讨厌的，棘手的 。
例句：Many students have trouble learning math, especially calculus.（许多学生学数学有困难，尤其是微积分。）
单句填空：She always has trouble （get）up early in the morning.
仿写句子：（他们理解这部小说复杂的情节有困难。）
He (have )trouble understanding the complex plot of the novel.
2. five-year-old 释义：五岁的，是一个复合形容词，用来修饰名词 。
派生词：无直接派生词，但其构成方式可类推，如 three - month - old（三个月大的） 。
例句：The five-year-old boy can play the piano very well.（这个五岁的男孩钢琴弹得很好。）
单句填空： nine-year-old girl won the first prize in the singing competition.
仿写句子：（我六岁的表弟喜欢画画。）
My six-year-old cousin loves to draw .(picture)
getting
has
The
pictures
3. neither
adv. 也不；adj. 两者都不的；pron. 两者都不。用于否定句后，表示 “也不”，常与 nor 搭配使用，构成 neither...nor... 结构，表示 “既不…… 也不……” 。
派生词：
例句：I don't like coffee, neither do I like tea.（我不喜欢咖啡，我也不喜欢茶。）Neither answer is correct.（两个答案都不对。）
单句填空：He can't swim, and can I.
仿写句子：（她不喜欢猫，她姐姐也不喜欢。）
She doesn't like cats, neither her sister.
4. nor
conj. /adv. 也不；也没有，常与 neither 搭配使用 。
例句：Neither he nor his parents like watching soap operas.（他和他父母都不喜欢看肥皂剧。）
单句填空：I haven't been to Paris, nor _____ _ (have) my brother.
仿写句子：（汤姆和杰克都没去过长城。）
Tom nor Jack has been to the Great Wall.
neither
Neither
does
has
5. got me thinking
让我开始思考，get sb. doing 表示 “使某人开始做某事，让某人一直做某事” 。
派生词：get 的过去式是 got，过去分词是 got/gotten（美式英语中常用 gotten ）；
例句：The strange noise got her wondering what was happening outside.（那个奇怪的声音让她想知道外面发生了什么事。）
单句填空：The movie got us ____ _ _ (laugh) all the time.
仿写句子：（老师的问题让学生们积极地讨论起来。 ） discuss； actively
laughing
The teacher's question got the students discussing actively.
1
2
3
4
5
6
7
8
9
10
11
1. For example
例如，用于举例说明某一观点或情况。
例句：Some plants, for example, sunflowers and roses, need lots of sunlight.
单句填空：Many inventions, example, the telephone and the computer, have changed our lives.
仿写句子：There many healthy foods we can eat, for example, vegetables and fruits.
2. in our free time
在我们的空闲时间里。
free（adj. 自由的；免费的；空闲的）；
freedom（n. 自由）；
freely（adv. 自由地；无拘束地）。
例句：They usually play chess in their free time.
单句填空：She likes to practice the piano her free time.
仿写句子：我们经常在空闲时间远足。go hiking
for
in
are
We often go hiking in our free time.
3. take a photo 拍照。
派生词：
photo（n. 照片，全称为 photograph）；
photographer（n. 摄影师）；
photography（n. 摄影）。
例句：She took a photo of the lovely cat in the garden.
单句填空：Let's take photo of the beautiful mountain.
仿写句子：他在毕业典礼上给同学们拍了一张照片。at the graduation ceremony
4. in the car 在汽车里。
派生词：
car（n. 汽车）；
carriage（n. 车厢；马车）；
carrier（n. 运送者；载体）。
例句：We sang songs happily in the car during the journey.
单句填空：He left his umbrella ______ the car.
仿写句子：他们在去飞机场的路上在车里谈论了他们的计划。on the way ；airport
a
He took a photo of his classmates at the graduation ceremony.
They talked about their plans in the car on the way to the airport.
in
5. on the train or bus 在火车上或公共汽车上。
派生词：
train（n. 火车；v. 训练）；training（n. 训练）；trainer（n. 训练员）；
例句：I met a famous writer on the train last week.
单句填空：We can enjoy the view ______ the bus.
仿写句子：他经常在火车上读书以消磨时间。pass the time
6. at sea 在海上；在航海途中。
派生词：
sea（n. 海）；
seaside（n. 海滨）；
seaman（n. 海员）。
例句：The sailors faced strong winds at sea.
单句填空：The ship traveled ______ sea for two weeks.
仿写句子：渔民们在海上辛苦捕鱼。
Fishermen work hard at sea (catch) fish.
on
at
She often reads books on the train to pass the time.
to catch
7. in the air 在空中；在空气中。
派生词：
air（n. 空气；v. 使通风）；
airplane（n. 飞机）；
airport（n. 机场）。
例句：There are many balloons flying in the air.
单句填空：The smell of cookies is ______ the air from the kitchen.
仿写句子：风筝在空中飞舞。dance
8. get homesick 想家；思乡。
派生词：
homesick（adj. 想家的）；
sick（adj. 生病的；恶心的）；sickness（n. 疾病）；
例句：She got homesick when she studied in a foreign country.
单句填空：Many children ______ homesick when they first went to boarding school.
仿写句子：他在漫长的出差路途中想家了。 long business trip
in
got
The kite is dancing in the air.
He got homesick during his long business trip.
9. get back home 回到家。
派生词：
home（n. 家；adv. 在家）；homeland（n. 祖国）。
例句：I was tired but happy to get back home after work.
单句填空：They ______ （get） back home before it rained.
仿写句子：她早早回家为家人准备晚餐。prepare dinner
10. speaking of 说到；谈及（用于转换话题或承接前文提及的内容）。
派生词：
speaker（n. 演讲者；扬声器）；speech（n. 演讲）。
例句：Speaking of music, what's your favorite song
单句填空： ______ （speak）of travel, have you ever been to Beijing
仿写句子：说到电影，这个新影片确实值得一看。film；be worth doing
got
speaking
She gets back home early to prepare dinner for her family.
Speaking of movies, this new film is really worth watching.
11. housework
家务劳动。
派生词：
house（n. 房子）；
housewife（n. 家庭主妇）；
household（n. 家庭；adj. 家庭的）。
例句：Doing housework helps develop children's sense of responsibility.
单句填空：My sister often helps with housework weekends.
仿写句子：
我们应该分担例如洗盘子和扫地的一些家务活。
We should share housework like (wash) dishes and sweeping the floor.
on
washing
1
2
3
4
5
6
7
8
1. the opposite of …… 的反义词；与…… 相反。
派生词：opposition（n. 反对；反对派）。
例句：Right is the opposite of left.
单句填空：Peace is ______ opposite of war.
仿写句子：
白天是夜晚的反面。
2. an opposing pair 一对反义词；一组对立的词。
派生词：oppose（v. 反对；对抗）；opponent（n. 对手；反对者）。
例句：“Long” and “short” are an opposing pair.
单句填空：“Rich” and “poor” form ______ opposing pair.
仿写句子：“Young” and “old” an opposing pair related to age.
3. harmless 无害的；无恶意的。
派生词：harm（n. & v. 伤害；损害）；harmful（adj. 有害地）
例句：The vaccine is harmless and effective.
单句填空：Don't worry.Playing with this toy is (harm) for kids.
仿写句子：The harmless joke didn’t hurt anyone’s (feeling).
the
an
harmless
Day is the opposite of night.
are
feelings
4. harmful 有害的；能造成损害的。
派生词：同harm的派生词（harm，harmfully）。
例句：Excessive screen time is harmful to eyesight.
单句填空：Some chemicals in the river are ______ (harm) to fish.
仿写句子：乱扔垃圾对环境有害。litter
5. shameless 无耻的；不知羞耻的。
派生词：shame（n. 羞耻；羞愧；v. 使羞愧）；shamefully（adv. 可耻地）。
例句：His shameless lie was easily discovered.
单句填空：It’s a （shame）waste of natural resources.
仿写句子：The （shame）celebrity ignored the fans’ requests rudely.
6. shameful 可耻的；不道德的。
派生词：同shame的派生词（shame，shamefully）。
例句：It’s shameful to discriminate against others.
单句填空：The politician’s ______ (shame) scandal shocked the public.
仿写句子： （waste）food is a shameful thing in many cultures.
harmful
shameful
Littering is harmful to the environment.
shameless
Wasting
shameless
7. the same 相同的；一样的。
派生词：same（adj. 相同的；pron. 同样的事物）。
例句：We live in the same neighborhood.
单句填空：Your idea is _____ _ same as mine.
仿写句子：The two sisters have the same hobby of （paint）.
8. look out of 从…… 向外看。
派生词：look（v. 看；看起来；n. 看；样子）；lookout（n. 瞭望；监视）。
例句：He looked out of the classroom window and saw the teacher coming.
单句填空：She looked out the tent to check the weather.
仿写句子： you look out of the airplane window, you can see the clouds below.
the
of
When
painting
1
2
3
4
5
6
7
8
1. medical report 医疗报告，指记录医疗相关情况（如病情、检查结果等）的文件。
派生词：
medical（adj. 医学的；医疗的）→ medicine（n. 药物；医学）；medically（adv. 医学上）。
report（n. 报告；v. 报道）→ reporter（n. 记者）。
例句：The doctor analyzed the medical report to make a diagnosis.
单句填空：Before the operation, you must provide a (medicine )report.
仿写句子：He received medical report that showed his health was improving.
2. wonder at 对…… 感到惊讶；对…… 心生诧异（表达对事物独特性或不可思议之处的惊叹）。
派生词：
wonder（v. 想知道；惊叹；n. 奇迹；惊奇）→ wonderful（adj. 精彩的；极好的）；wonderfully（adv. 精彩地）。
例句：We wonder at the magician’s incredible tricks.
单句填空：Visitors always wonder the beauty of the ancient palace.
仿写句子：She （wonder）at her little sister’s talent for painting.
medical
at
a
wonders
3. madness 疯狂；荒唐的行为（描述不符合常理、近乎疯狂的状态或举动）。
派生词：
mad（adj. 疯狂的；生气的）→ madly（adv. 疯狂地；狂热地）
例句：It’s sheer madness to swim in such cold water.
单句填空：His decision to quit without a plan was seen as ______ (mad).
仿写句子： madness of the storm made people stay indoors.
4. burn up 烧毁；烧尽；（使火焰）烧得更旺（强调 “烧” 的结果或使火势增强的动作）。
派生词：
burn（v. 燃烧；烧毁；n. 烧伤）→ burning（adj. 燃烧的；炽热的）；burnt（burn 的过去式 / 过去分词，adj. 烧焦的）。
例句：The wildfire burned up thousands of trees.
单句填空：The dry grass burns in seconds when lit.
仿写句子：The campfire （burn）up as we added more wood.
纯粹的、完全的
madness
up
The
burned
5. burns down （建筑物等）被烧毁；烧毁（侧重 “烧毁、烧塌” 的结果，常指大型物体如房屋、建筑）。
派生词：同burn的派生词（burning，burnt）。
例句：The old factory burned down overnight.
单句填空：If no one stops the fire, the house will burn .
仿写句子：A historic church (burn ) down in the fire accident.
6. fill in a form 填写表格（“fill in” 侧重 “填入、填充” 表格中的空白处）。
派生词：
fill（v. 装满；填充）→ filling（n. 填料；填充物）；full（adj. 满的）。
例句：You need to fill in a form to register for the course.
单句填空：Please fill a form with your personal information.
仿写句子：Applicants must fill in form to apply for the scholarship.
down
in
burned
a
7. filling it out 填写（表格等）（“fill out” 与 “fill in” 意思相近，常可互换，更侧重 “把表格填完整” 的过程）。
例句：She spent an hour filling out the tax form.
单句填空：He is (fill ) out the survey questionnaire.
仿写句子：They are filling the feedback forms after the lecture.
8. goes off （警报、炸弹等）突然响起。
派生词：
go（v. 去；变得；运转）→ gone（go 的过去分词）；going（n. 进展）;went 过去式
例句：The fire alarm goes off when there’s smoke.
单句填空：The alarm ______ （go） off just now, making everyone nervous.
仿写句子：The bomb went and caused a huge explosion.
filling
went
out
off
1
2
3
3
4
5
1. the human race 人类（指整个人类群体）。
派生词：
human（adj. 人的；人类的；n. 人）→ humanity（n. 人类；人道；人文学科）；humanistic（adj. 人文主义的）。
例句：The human race has achieved amazing progress in space exploration.
单句填空：______ human race should care about global climate change.
仿写句子：The human race must learn (live) in harmony with nature.
2. the lights are out 灯熄灭了（“out” 表示 “熄灭、关闭” 的状态）。
派生词：
light（n. 光；灯；adj. 轻的；明亮的；v. 点亮）→ lighting（n. 照明；灯光）；lighter（n. 打火机）。
例句：The lights are out in the theatre because the show is over.
单句填空：When the light is , we need to use a flashlight.
仿写句子：The lights out in the library, so it’s quiet and dark inside.
The
out
to live
are
3. wind up 上紧（钟表等的发条）；结束（讲话、文章、活动等）。
派生词：
wind（v. 上发条；缠绕；n. 风）→ winding（n. 绕组；缠绕；adj. 弯曲的）；windy（adj. 多风的）。
例句：
She winds up her antique clock every day.（上发条）
Let’s wind up the class with a short quiz.（结束）
单句填空：
He ______ (wind )up his watch to keep it running every day.
They decided up the party early.
仿写句子：
My grandpa winds up his old clock carefully every week.（上发条）
The teacher wound up the lesson by reciting a poem.（结束）
4. end v. 结束；终止；n. 末端；尽头。
派生词：
end（v. 结束；n. 末端）→ ending（n. 结尾；结局）；endless（adj. 无止境的；没完没了的）。
例句：The story ends with a touching moment.
单句填空：The movie has a happy ______ (end) at midnight.
仿写句子：The concert (end) with a grand finale last night.
winds
to wind
ended
ending
That is why when the stars are out, they are visible, but when the lights are out, they are invisible.
这就是为什么当星星 “出来”（可见）时，它们是看得见的，但当灯熄灭时，灯是看不见的。
（体现英语中 “out” 在不同语境下的相反语义：星星 “out” 表 “出现”，灯 “out” 表 “熄灭”，凸显语言趣味性）。
结构分析：That is why... 引导表语从句，解释原因；从句包含两个when引导的时间状语从句，对比 “stars are out” 与 “lights are out” 的结果（visible vs invisible）。
例句拓展：That is why when the flowers are out, they are colorful, but when the fires are out, they are cold.（模仿结构，对比 “flowers are out（开花）” 与 “fires are out（熄灭）”）。
单句填空：That is when the moon is out, it’s bright, but when the candles are out, they are dark。
仿写句子：That is why the butterflies are out, they are lively, but when the lamps are out, they are useless.
why
when
Thank you