内容正文:
M1U2 Watch it grow(知识清单)
一、语音知识(Learn the sounds)
音标 /ɪə/:ear, hear, near, here, deer
音标 /eə/:air, hair, pair, where, there, wear, bear
朗读要点
连读:It is → It’s, look and say
重音:多在单词首音节,如 butterfly, caterpillar, silkworm
语调:陈述句降调,一般疑问句升调
二、重点单词
1. 动物成长类
butterfly 蝴蝶 insect 昆虫 egg 卵;蛋 caterpillar 毛毛虫 cocoon 茧 silkworm 蚕
moth 飞蛾 chick 小鸡 chicken 鸡 duckling 小鸭 duck 鸭子 puppy 小狗
2.身体部位
tail 尾巴 wing 翅膀 leg 腿 mouth 嘴巴
3.颜色与特征
small 小的white 白色的green 绿色的brown 棕色的beautiful 美丽的big 大的black 黑色的
4.动作动词
fly 飞 lay 产(卵) eat 吃 make 制作 open 打开
三、重点短语
watch it grow 观察它生长 interesting insect 有趣的昆虫 green caterpillar 绿色毛毛虫
eat leaves 吃叶子 brown cocoon 棕色的茧 beautiful butterfly 美丽的蝴蝶
silkworm cocoon 蚕茧 make silk 吐丝 fly high 高飞
catch flies 抓苍蝇 grow up 长大
四、重点句型
1.介绍事物This is an egg. It is small and white.I have five silkworms. They are small and white.
2.过去与现在对比It was a white egg. Now it is a green caterpillar.It was a green caterpillar. Now it is a brown cocoon.The silkworms were small. Now they are big.
3.能力描述They can lay eggs.It can fly high.
4.成长过程First… Next… Then… Finally…Little Justin is born in a river.Now he has a tail.Now he has four legs.Now he has no tail.
5.问答句型Do you know how it grows?
5、 重点语法讲解:
一般过去时 vs 一般现在时(本单元最核心语法)
1. 用法区别
一般现在时:描述现在的样子、状态、能力。
一般过去时:描述过去曾经的样子、过去的状态,和现在形成对比。
2. be 动词变化(必须背会)
现在状态(is /am/are)
单数名词 / 代词 → is It is a caterpillar. 它是一只毛毛虫。
复数名词 / 代词 → are They are big. 它们很大。
过去状态(was /were)
单数名词 / 代词 → was(is/am 的过去式)It was an egg. 它曾经是一颗卵。
复数名词 / 代词 → were(are 的过去式)They were small. 它们以前很小。
3. 本单元万能句型
单数:It was … Now it is …它以前是…… 现在它是……
复数:They were … Now they are …它们以前是…… 现在它们是……
4. 常见时间词
现在:now
过去:then, once
一、单项选择
( )1.Little Justin _________ like a fish. Now it _________ a frog.
A.is; is B.was; is C.does; is
( )2.The butterfly _________ eggs on the leaf.
A.laies B.lay C.lays
( )3.Jim _________ at home yesterday afternoon. He _________ in the library with his classmates.
A.was; is B.wasn’t; was C.wasn’t; isn’t
( )4.It was a _________ egg. Now it’s a _________ caterpillar. Soon it will be a _________ cocoon.
A.white; green; white B.white; green; brown C.brown; white; green
( )5.I bought four silkworms _________ May 28th.
A.on B.in C.at
( )6.Once I _________ a baby, but now I _________ a boy.
A.was; am B.is; am C.am; am
( )7.—What ____ Eric and Danny want?
—Some silkworms.
A.do B.does C.are
( )8.It was a ______ egg. Now it's a ______ caterpillar. Soon it will be a ______ cocoon.
A.green; brown; white B.white; green; brown C.brown; white; green
( )9._______ can catch flies.
A.Frogs B.Turtles C.Butterflies
( )10._______ has no tail.
A.A rabbit B.A frog C.Turtles
二、根据音标填写单词
1.The /ˈkætəˌpɪlə/ changes into a brown /kəˈkuːn/.
2.—/weə/ are the children?
—They are in the canteen.
3.It was an /eɡ/. It was small and white.
4.The silkworms can /meɪk/ a lot of silk.
5.I like /ˈbʌtəˌflaɪz/.
三、用所给词的适当形式填空
1.Once I (be) a baby. But now I (be) a big boy.
2.Once it (be) a duckling. But now it (be) a duck.
3.Once you (be) a silkworm sitting on a leaf. But now you (be) a moth flying in the sky.
4.The cocoons (open). How many (moth) are there?
5.— (who) brush is this?
—It’s (she).
四、选词填空。
am is are was were
1.Once my sister short. But now she tall.
2.Kitty’s storybook on her desk. Now it (be not) there.
3.—Where are the students?
—They in the music room just now. But they in the playground now.
4.It eight o’clock. The students having lessons..
5.I at a restaurant just now. But now I at home.
6.—Where you last night?
—I in the supermarket.
7.There some juice in the bottle. Now there nothing in the bottle.
五、句型转换
1.The caterpillar on the leaf is ugly.
否定句:_________________________________________
一般疑问句:_________________________________________
改成一般过去时:_________________________________________
划线提问:_________________________________________
2.The silkworms were inside the cocoons.
否定句:_________________________________________
一般疑问句:_________________________________________
肯定回答:_________________________________________
否定回答:_________________________________________
划线提问:_________________________________________
六、任务型阅读
Jimmy is a little boy. He gets many nice presents on his fifth birthday. One of them is a beautiful drum. It’s from his uncle, John. Jimmy loves the drum very much. But he doesn’t know how to beat the drum. So he makes a terrible noise with it. His mother doesn’t mind (介意;在乎) . His father goes to work in the day and comes home late in the evening. When he gets home, Jimmy is already in bed. So he doesn’t hear the noise at all.
But one of their neighbours, Mrs Black, doesn’t like the noise. She is a housewife. She does lots of housework at home and she can’t stand (忍受) the noise. Then she has an idea. A few days later, she takes a knife and goes to Jimmy’s house when he is beating the drum. She says with a smile, “Jimmy, you play the drum so well. It sounds great. There must be something very nice in your drum. Here’s a knife. Open the drum and let’s find it.”
1.阅读短文,判断正(T)误(F)。
(1) When Jimmy is five, he gets a beautiful drum as his birthday gift. ( )
(2) Jimmy always makes a terrible noise with the drum in the day and night. ( )
(3) Jimmy’s father doesn’t care about the noise. ( )
(4) Mrs Black wants to stop the terrible noise. ( )
(5) There is something nice in Jimmy’s drum. ( )
2.阅读短文,回答下列问题。
(1) Who gives Jimmy the drum?
___________________________________
(2) Can Jimmy play the drum well?
___________________________________
(3) What does Jimmy do when his father gets home?
___________________________________
(4) Why doesn’t Mrs Black like Jimmy’s playing?
___________________________________
(5). Is there anything nice in the drum?
___________________________________
答案与解析
一、1.B
【详解】句意:小贾斯汀像一条鱼。现在它是一只青蛙。根据句意可知,第一句是一般过去时,主语Little Justin是第三人称单数,系动词要用was。第二句是一般现在时,主语it是第三人称单数,系动词用is。选项B符合题意,故选B。
2.C
【详解】句意:蝴蝶将卵产在叶子上。lay eggs产卵,动词短语,因为主语The butterfly是第三人称单数。故动词lay要用第三人称单数形式lays,故选C。
3.B
【详解】句意:吉姆昨天下午不在家,他和同学们在图书馆里。根据yesterday afternoon可知句子为一般过去时,主语Jim和he都是第三人称单数,系动词用was,否定形式为wasn't。根据语境,选项B符合题意,故选B。
4.B
【详解】句意:它曾是一个____卵。现在它是一个____毛虫。很快它将是一个____茧。选项A白色的;绿色的;白色的。选项B白色的;绿色的;棕色的。选项C棕色的;白色的;绿色的。根据语境结合课本所学可知:蚕的生长过程为先是白色的卵,然后是绿色的毛虫,最后是棕色的茧,故选B。
5.A
【详解】句意:我5月28日买了四只蚕。英语中表时间时,at表示时间的一点;in表示一个时期;on表示特殊日子。on表示在具体某一天及具体某一天的上午、下午和晚上。结合句意可知,May 28th前应用介词on表示在,故选A。
6.A
【详解】句意:曾经我是一个婴儿,但是现在我是一个男孩。在一般现在时中,I后用系动词am,am的过去式为was,根据语境可知,第一个空应为was,第二个空应为am,故选A。
7.A
【详解】句意:—Eric和Danny想要什么?—一些蚕。A助动词,B助动词(单三式),C是。行为动词的疑问句,需要助动词,主语Eric和Danny是复数,因此需要助动词do, 故选A。
8.B
【详解】句意:它是一个_________卵。现在它是一个________毛毛虫。不久它将是一个________蛹。green绿色的,brown棕色的,white白色的。根据常识可知卵是白色的,毛毛虫是绿色的,蛹是棕色的,所以B选项符合题意,故选B。
9.A
【详解】句意:青蛙能捉苍蝇。A青蛙,B乌龟,C蝴蝶,根据常识可知青蛙能捉苍蝇,故选A。
10.B
【详解】句意:青蛙没有尾巴。A兔子,B青蛙,C乌龟,根据常识可知青蛙没有尾巴,故选B。
二、1.caterpillar cocoon
【详解】句意:_________变成了棕色的_________。本题考查名词单数形式,根据所给音标/ˈkætəˌpɪlə/可知第一空填名词caterpillar,意思是毛毛虫;第二空根据所给音标/kəˈkuːn/,可知填名词单数形式cocoon,意思是蚕茧,故答案为caterpillar;cocoon。
2.Where
【详解】句意:—孩子们在哪?—他们在食堂。本题考查疑问副词,根据回答的是地点,用where引导的特殊疑问句,故答案为Where。
3.egg
【详解】句意:它是一个鸡蛋。它很小并且是白色的。由句中an可知后应加可数名词单数形式,由所给音标可知应是鸡蛋egg,故答案为egg。
4.make
【详解】句意:蚕能产很多丝。根据音标可知考查动词make,情态动词can后面跟动词原形,故答案为make。
5.butterflies
【详解】句意:我喜欢蝴蝶。本题考查可数名词复数形式,根据句意及音标/ˈbʌtəˌflaɪz/,可知考查名词butterfly的复数形式butterflies,故答案为butterflies。
三、1.was am
【详解】句意:曾经我是一个婴儿。但是现在我是一个大男孩。本题考查系动词,第一句中根据Once可知句子是一般过去时,系动词用was;第二句中根据now可知句子是一般现在时,系动词用am,故答案为was;am。
2.was is
【详解】句意:从前它是一只小鸭子。但是现在它是一只鸭子。本题考查系动词,第一句根据Once可知句子是一般过去时,系动词用was;第二句根据now可知句子是一般现在时,系动词用is,故答案为was;is。
3.were are
【详解】句意:曾经你是一只坐在树叶上的蚕。但现在你是空中的一只飞蛾。本题考查be动词,once是一般过去时的标志词,are的过去式是were,now是一般现在时的标志词,主语是you,用系动词are,故答案为were;are。
4.open moths
【详解】句意:茧打开。有多少只蛾子?本题考查动词的形式和可数名词单复数形式,根据句意可知句子为一般现在时,主语为The cocoons,其后谓语动词用原形,How many其后加可数名词复数形式,moth复数形式为moths,故答案为open;moths。
5.Whose hers
【详解】句意:—这是谁的刷子?—它是她的。本题考查疑问代词及名词性物主代词,根据句意可知疑问词用疑问代词Whose,答句中用名词性物主代词,she的名词性物主代词是hers,意思是她的,相当于her brush,故答案为Whose;hers。
四、1.was is 2.was isn’t 3.were are 4.is are 5.was am 6.were was 7.was is
【解析】1.句意:曾经我妹妹/姐姐很矮。但是现在她很高。第一句时态为一般过去时,主语为第三人称单数,be动词用was,第二句时态为一般现在时,主语为第三人称单数,be动词用is,故答案为was,is。
2.句意:凯蒂的故事书在她的桌子上。现在它不在那里了。第一句时态为一般过去时,主语为第三人称单数,be动词用was,第二句时态为一般现在时,主语为第三人称单数,be动词用is,is not缩写为isn’t,故答案为was,isn’t。
3.句意:—学生们在哪里?—他们刚才在音乐室。但是他们现在在操场上。第一句时态为一般过去时,主语为第三人称复数,be动词用were,第二句时态为一般现在时,主语为第三人称复数,be动词用are,故答案为were,are。
4.句意:现在是八点整。学生们正在上课。第一句时态为一般现在时,主语为第三人称单数,be动词用is,第二句时态为现在进行时,主语为第三人称复数,be动词用are,故答案为is,are。
5.句意:刚才我在餐馆里。现在我在家里。第一句时态为一般过去时,主语为第一人称单数,be动词用was,第二句时态为一般现在时,主语为第一人称单数,be动词用am,故答案为was,am。
6.句意:—昨天晚上你在哪里?—我在超市里。问句时态为一般过去时,主语为第二人称,be动词用were,答语时态为一般过去时,主语为第一人称单数,be动词用was,故答案为were,was。
7.句意:瓶子里有一些果汁。但是现在瓶子里什么也没有。第一句时态为一般过去时,句子为there be句型,根据就近原则,后面的名词juice为不可数名词,be动词用was,第二句时态为一般现在时,句子为there be句型,根据就近原则,后面的nothing为不定代词,be动词用is,故答案为was,is。
五、1.The caterpillar on the leaf isn’t ugly. Is the caterpillar on the leaf ugly? The caterpillar on the leaf was ugly. Which caterpillar is ugly?
【详解】1. 句意:叶子上的毛毛虫很丑。本题考查句型转换,句子中有系动词is,改为否定句在系动词is后面加not,is not可缩写为isn’t,故答案为The caterpillar on the leaf isn’t ugly.
2. 句意:叶子上的毛毛虫很丑。本题考查句型转换,句子中有系动词is,改为一般疑问句将系动词is提前到句首,故答案为Is the caterpillar on the leaf ugly?
3. 句意:叶子上的毛毛虫很丑。本题考查句型转换,句子是一般现在时,改为一般过去时将系动词is改为过去式was,故答案为The caterpillar on the leaf was ugly.
4. 句意:叶子上的毛毛虫很丑。本题考查特殊疑问句,划线部分是在树叶上,是修饰主语的定语,疑问词用Which,故答案为Which caterpillar is ugly?
2. The silkworms weren’t inside the cocoons. Were the silkworms inside the cocoons? Yes, they are.
No, they aren’t. Where were the silkworms?
【详解】本题考查句型转换。原句句意:蚕在茧里。改为否定句,只需要在be后加not。故答案为The silkworms weren’t inside the cocoons.
改为一般疑问句,只需要把be提到主语前面,be+主语+其他,故答案为Were the silkworms inside the cocoons?
作肯定回答,用yes,主语+be,故答案为Yes, they are.
作否定回答,用no,主语+be+not,故答案为No, they aren’t.
对划线部分进行提问,用where引导的特殊疑问句,where+be+主语,故答案为Where were the silkworms?
六、1.T F F T F 2.Jimmy’s uncle does. No, he can’t. He is already in bed. She can’t stand the noise. No, there isn’t.
【分析】1.(1).句意:当吉米五岁的时候,他得到了一个漂亮的鼓作为生日礼物。根据He gets many nice presents on his fifth birthday,可知该句是正确的,故答案为T。
(2).句意:吉米总是不分昼夜地制造噪音。根据So he makes a terrible noise with it. His mother doesn't mind (介意﹔在乎) . His father goes to work in the day and comes home late in the evening. When he gets home, Jimmy is already in bed. So he doesn't hear the noise at all,可知吉米晚上不敲鼓,故答案为F。
(3). 句意:吉米的父亲不在乎噪音。根据When he gets home, Jimmy is already in bed. So he doesn’t hear the noise at all,可知吉米的父亲没听到噪音,故答案为F。
(4). 句意:布莱克夫人想要停止那可怕的噪音。根据She does lots of housework at home and she can't stand (忍受),可知该句是正确的,故答案为T。
(5).句意:吉米的鼓里有好东西。通读全文,可知吉米的鼓里没有东西,故答案为F。
2.(1).句意:谁把鼓给了吉米?根据One of them is a beautiful drum. It’s from his uncle, John,可知吉米的叔叔给了他一个鼓,故答案为Jimmy’s uncle does.
(2).句意:吉米能打好鼓吗?根据But he doesn’t know how to beat the drum,可知吉米不会打鼓,故答案为No, he can’t.
(3).句意:当吉米的父亲回到家时,吉米在干什么?根据When he gets home, Jimmy is already in bed. So he doesn’t hear the noise at all.,可知那时吉米已经睡了,故答案为He is already in bed.
(4).句意:为什么布莱克夫人不喜欢吉米的演奏?根据But one of their neighbours, Mrs Black, doesn’t like the noise,可知她不能忍受噪音,故答案为She can’t stand the noise.
(5). 句意:鼓里有什么好东西吗?通读全文,可知吉米的鼓里没有东西,故答案为No, there isn’t.
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