Unit 1 第2课时 Discover & Develop（分层作业）英语人教大同版三年级下册（新教材）

Unit 1 All about fruit 第2课时 Discover & Develop 基础练 一、中英互译。 1. 草莓 ( ) A. apple B. strawberry C. grape 2. 这些 ( ) A.these B. this C. those 3. 十二( ) A. two B. twenty C. twelve 4. fruit tree ( ) A. 苹果树 B. 水果树 C. 梨树 5. 猴子 ( ) A. tiger B. monkey C. elephant 二、【新题型·思维导图】请将下面的单词根据所给单词划线部分发音规则分类。 A. cap B.mouth C. cake D. hat E. ant F. morning G.make H. monkey I.name 三、根据句意及首字母提示补全单词 1. —How many a_______ are there on the tree? —There are twelve. 2. My mother likes eating m_______ for breakfast. 3. —Is that a p_______? —No, it’s a lemon. 4. We can see many kinds of fruit in the s_______. 5. M_______ is the first day of a week. 提升练 四、选择题 （ ）1. —How many pears _______ there? —There are nineteen. A. am B. is C. are （ ）2. —Is _______ a banana? —No, it’s a grape. A. this B. these C. those （ ）3. My sister likes _______ fruit. She eats an apple every day. A. a B. an C. / （ ）4. —What are _______? —They are watermelons. A. this B. that C. those （ ）5. The word “ant” has the same sound of “a” as _______. A. cake B. bag C. date 五、连词成句 1. are, those, apples (？) ______________________________________________ 2.many, how, strawberries, there, are, ? (.) ______________________________________________  3.this, a, pear, is, not (.) _______________________________________________ 4.like, I, fruit, all, kinds of, . (.) _______________________________________________ 5.morning, we, buy, will, some, grapes, tomorrow(.) ________________________________________________ 六、用 this/that/these/those 填空. 1. —What’s _______ over there? —It’s a watermelon. 2. _______ strawberries are very fresh. I want to buy some. 3. —Is _______ an orange in your hand? —Yes, it is. 4. _______ is my magic fruit tree. It has many pears. 5. —Are _______ grapes on the table? —No, they aren’t. 七、句型转换 1. This is a big orange.（改为一般疑问句） ____________________________________________ 2. There are fifteen bananas.（对画线部分提问） ____________________________________________ 3. Those are watermelons.（改为单数句） ____________________________________________ 4. Is that a lemon?（作否定回答） ____________________________________________ 5.  We have twenty pears.（改为同义句） ____________________________________________ 八、【新题型·任务型阅读】阅读故事，完成下列任务。 My Fruit Shopping List Today is Sunday. I go to the supermarket with my mum. We need to buy some fruit for the family. Look! There are many fruits there. Those red apples are big and sweet. We want to buy eighteen apples. This lemon is yellow. It’s sour, but my dad likes it. We buy one lemon. What about these grapes? They are purple. There are twenty grapes in a box. We take two boxes. My little sister likes strawberries best. Those small strawberries are fresh. We buy fifteen. Pears are my favourite. They are green. We buy twelve pears. We are happy with our shopping! Task 1: 根据短文内容，判断正（T）误（F） ( )1. I go to the supermarket with my dad. ( )2. We buy eighteen sweet apples. ( )3. The lemon is sour, and my mum likes it. ( )4. We buy forty grapes in total. ( )5. My favourite fruit is strawberries. Task 2: 根据短文内容，回答问题 1. How many strawberries do they buy? 2. What colour are the pears? 3. Why do they buy the lemon? 4.  How many kinds of fruit do they buy? 拓展练 以“My Favourite Fruit”为题，写几句话介绍自己最喜欢的水果。要求： 1. 运用 this/that/these/those 或数量表达； 2. 不少于5句话； 3. 语句通顺，语法正确。 __________________________________________________________ __________________________________________________________ ___________________________________________________________ ___________________________________________________________ ___________________________________________________________ 参考解析 基础练 一、中英互译 1-5 BACBB 二、【新题型·思维导图】请将下面的单词根据所给单词划线部分发音规则分类。 apple:A D E mother:B F H say:C G I 三、根据句意及首字母提示补全单词 1.apples 2.mangoes/mangos 3.pear 4.supermarket 5.Monday 【解析】 1. apples 解析：由“on the tree”及首字母“a”可知，此处指“苹果”，how many 后接复数名词。 2. mangoes/mangos 解析：结合“eating...for breakfast”及首字母“m”，可推测为“芒果”，复数形式为 mangoes 或 mangos。 3. pear 解析：由答句“it’s a lemon”及首字母“p”可知，问句询问“是否为梨”，空前有 a，用单数。 4. supermarket 解析：“买水果”的地点，结合首字母“s”，可知为“超市”。 5. Monday 解析：“一周的第一天”为周一，首字母“M”对应 Monday。 提升练 四、选择题 答案：1-5 CACCB 【解析】 1. C 解析：there be 句型中，主语“pears”为复数，be 动词用 are。 2. A 解析：由“a banana”可知主语为单数，this 修饰单数名词，these 和 those 修饰复数名词。 3. C 解析：“fruit”为不可数名词，泛指“水果”时，前面不加冠词。 4. C 解析：由答句“they are”可知问句主语为复数，those 修饰复数名词，this 和 that 修饰单数名词。 5. B 解析：ant 中“a”发 /æ/ 音，bag 中“a”发音相同，cake 和 date 中“a”发 /eɪ/ 音。 五、连词成句 1. Are those apples? 2. How many strawberries are there? 3. This is not a pear. 4. I like all kinds of fruit. 5. We will buy some grapes tomorrow morning. 六、用 this/that/these/those 填空. 1.that 2. These 3. this 4. This 5. those 【解析】： 1. that 解析：由“over there”（在那边）可知，指代远处单数事物，用 that。 2. These 解析：指代近处复数事物“strawberries”，用 these，句首首字母大写。 3. this 解析：指代手中的单数事物“an orange”，用 this。 4. This 解析：指代近处单数事物“my magic fruit tree”，用 this，句首首字母大写。 5. those 解析：指代桌上的复数事物“grapes”，用 those。 七、句型转换 1. Is this a big orange? 解析：含有 be 动词 is 的陈述句变一般疑问句，将 is 提到句首。 2. How many bananas are there? 解析：对数量“fifteen”提问，用 how many，后接复数名词，be 动词提前。 3. That is a watermelon. 解析：those 变 that，are 变 is，watermelons 变单数 watermelon。 4. No, it isn’t. 解析：以 is that 开头的一般疑问句，否定回答用“No, it isn’t.”。 5. There are twenty pears for us. 解析：“we have”可转换为“there are...for us”，表达“我们有……”。 拓展练 八、【新题型·任务型阅读】阅读故事，完成下列任务。 Task 1: 根据短文内容，判断正（T）误（F） 1. F 解析：短文提到“I go to the supermarket with my mum”，并非 dad。 2. T 解析：明确说“Those red apples are big and sweet. We want to buy eighteen apples”。 3. F 解析：柠檬是酸的，但“my dad likes it”，不是 mum。 4. T 解析：一盒葡萄20颗，买了两盒，20×2=40颗。 5. F 解析：“Pears are my favourite”，最喜欢的是梨，不是草莓。 Task 2: 根据短文内容，回答问题 1. They buy fifteen strawberries. 解析：短文直接给出“We buy fifteen”，指代 strawberries。 2. They are green. 解析：由“Pears are my favourite. They are green”可知答案。 3. Because my dad likes it. 解析：根据“It’s sour, but my dad likes it”可知购买原因。 4. They buy five kinds of fruit. 解析：文中提到的水果有 apples、lemon、grapes、strawberries、pears，共5种。 拓展练 以“My Favourite Fruit”为题，写几句话介绍自己最喜欢的水果。要求： 1. 运用 this/that/these/those 或数量表达； 2. 不少于5句话； 3. 语句通顺，语法正确。 My Favourite Fruit My favourite fruit is apple. I think this kind of fruit is very healthy. These red apples are sweet and juicy. There are ten apples in my fridge now. That big apple on the table is from my grandma. I eat an apple every morning, and I want to buy more apples this weekend. apple 1.__________ 2.__________ 3.__________ mother 1.__________ 2.__________ 3.__________ say 1.__________ 2.__________ 3.__________ 2 / 2 学科网（北京）股份有限公司 $