Unit 5 Work it out 第2课时 In focus & Speed up（分层作业）英语外研版三起五年级下册（新教材）

Unit5 Work it out. In focus & Speed up. 基础练 一、选出下列每组单词中不同类的一项，将其序号填入题前括号里 ( ) 1. A. shiny B. police C. detective ( ) 2. A. prison B. garden C. steal ( ) 3. A. another B. ring C. jewel ( ) 4. A. lose B. take C. message ( ) 5. A. sweet B. bright C. aha 二、选出合适的选项补全单词 ( ) 1. detect__ve A. i B. e C. a ( ) 2. pr__son A. i B. o C. e ( ) 3. st__al A. e B. i C. o ( ) 4. j__wel A. e B. a C. i ( ) 5. sh__ny A. i B. a C. e 三、用所给单词的适当形式填空，补全短文 lose do work take put steal Last week, strange things happened at Daming’s home. First, his mum 1. ______ her ring. Next, his dad couldn’t find his car key. Then Daming couldn’t find his coins. Sam asked Daming what he 2. ______. Daming said he looked around the house carefully and 3. ______ it out. Sam wanted to know who 4. ______ the things. Daming told him a cat 5. ______ them in its home! And a detective found a man who 6. ______ many jewels and hid them in a garden. 提升练 四、单项选择 ( ) 1. The police ______ a letter from Jim Burton in the prison yesterday. A. show B. showed C. shows ( ) 2. —What did Jim Burton_______ ? —He stole many shiny jewels. A. do B. did C. does ( ) 3. Detective Sharp ______ the message in the letter and found the jewels. A. work B. worked C. works ( ) 4. — did the detective find the jewels? —In Jim’s sweet garden. A. Where B. What C. How ( ) 5. The cat ______ Daming’s coins and put them in its home last Friday. A. take B. takes C. took 五、按括号内的要求写出下列单词的相应形式 1.lose（过去式）__________ steal（过去式）__________ 2.take（过去式）__________ put（过去式）__________ 3.do（过去式）__________ work（过去式）__________ 4.shiny（近义词）__________ sweet（形容词，不变）__________ 5.another（同类词）__________ find（过去式）__________ 六、【新情境・生活运用】选择合适的选项补全对话 A: What happened to Daming last week? B: Many strange things 1. ______ at his home. His mum lost her ring and his dad lost his car key. A: What about Daming? B: He 2. ______ his coins too. He looked around the house carefully and 3. ______ out who took the things. A: Who took them? B: A cat! It 4. ______ all the things and 5. ______ them in its home. A: And what about the detective’s story? B: A man stole many jewels and the detective 6. ______ the message in his letter. A. lost B. happened C. worked D. took E. put F. found 拓展练 七、【新情境・信件】完形填空 A special letter Detective Sharp came to the prison one day. The police 1. ______ him a letter from Jim Burton. Jim 2. ______ many shiny jewels, but the police 3. ______ not find them on him. Detective Sharp read the letter carefully. It was a letter from Jim to his wife Susan. There 4. ______ something special in the letter. At first, the detective didn’t know what it was. Then he shouted, “Aha! I 5. ______ it!” The letter had a secret message. Jim 6. ______ the message to tell Susan where he 7. ______ the jewels. Detective Sharp 8. ______ the jewels in Susan’s sweet garden at last. He 9. ______ Jim’s trick and the police 10. ______ the jewels back. ( ) 1. A. show B. showed C. shows ( ) 2. A. steal B. stole C. steals ( ) 3. A. do B. does C. did ( ) 4. A. was B. were C. is ( ) 5. A. see B. saw C. sees ( ) 6. A. write B. wrote C. writes ( ) 7. A. hide B. hid C. hides ( ) 8. A. find B. found C. finds ( ) 9. A. know B. knew C. knows ( ) 10. A. get B. got C. gets 八、阅读短文，判断下列句子的正（T）误（F） A Detective’s Story Detective Sharp is a clever detective. One day, he went to the prison. The police showed him a letter from Jim Burton. Jim stole many shiny jewels, but the police didn’t find the jewels on him. The letter was from Jim to his wife Susan. It had many sweet words, but there was a secret message in it. At first, Detective Sharp didn’t know what was wrong with the letter. Then he read it again carefully and found the message. The message told Susan where Jim hid the jewels. Detective Sharp went to Jim’s home and found the jewels in Susan’s green garden. He didn’t give the letter to Susan, and the police got all the jewels back. Jim’s trick didn’t work! ( ) 1. Detective Sharp went to the police station one day. ( ) 2. Jim Burton stole many shiny jewels. ( ) 3. The police found the jewels on Jim Burton. ( ) 4. Jim wrote a letter to his wife Susan with a secret message. ( ) 5. Detective Sharp found the jewels in Susan’s garden. ( ) 6. Detective Sharp gave the letter to Susan at last. 参考解析 基础练 一、选出下列每组单词中不同类的一项，将其序号填入题前括号里 1. A：B（警察）、C（侦探）都是职业类名词；A（光滑发亮的）是形容词，词性不同，故选 A。 2. C：A（监狱）、B（花园）都是地点类名词；C（偷，窃取）是动词，词性不同，故选 C。 3. A：B（戒指）、C（珠宝首饰）都是物品类名词；A（另一个）是限定词，用法和词性不同，故选 A。 4. C：A（丢失）、B（拿走）都是动词；C（消息，信息）是名词，词性不同，故选 C。 5. C：A（甜的；亲切的）、B（明亮的）都是形容词；C（啊哈）是感叹词（用于表达明白 / 发现），词性和用法不同，故选 C。 二、选出合适的选项补全单词 1. A（detective） 2. A（prison） 3. A（steal） 4. A（jewel） 5. A（shiny） 三、用所给单词的适当形式填空 1. lost 解析：全文讲述过去发生的事，lose 的过去式为 lost，表 “妈妈丢了戒指”。 2. did 解析：宾语从句中，主句为过去时，从句也用过去时，助动词 do 的过去式为 did。 3. worked 解析：and 连接并列动作，与 looked 时态一致，work 的过去式为 worked，work out 表 “弄明白”。 4. took 解析：询问过去谁拿走了东西，take 的过去式为 took。 5. put 解析：描述过去的动作，put 的过去式与原形一致，put...in... 表 “把…… 放进……”。 6. stole 解析：who 引导的定语从句，动作发生在过去，steal 的过去式为 stole，表 “偷了很多珠宝”。 提升练 四、单项选择 1. B 解析：yesterday 是过去时间标志，动词用过去式，show 的过去式为 showed，故选 B。 2. A 解析：助动词 did 后接动词原形，故选 A（do）。 3. B 解析：描述侦探过去的动作，work 的过去式为 worked，work out the message 表 “破解消息”，故选 B。 4. A 解析：答语 “In Jim’s sweet garden” 是地点，用疑问词 Where 提问，故选 A。 5. C 解析：last Friday 是过去时间标志，take 的过去式为 took，故选 C。 五、按括号内的要求写出下列单词的相应形式 1. lost; stole 2. took; put 3. did; worked 4. bright; sweet 5. other; found 六、选择合适的选项补全对话 1. B（happened） 解析：“发生奇怪的事” 用 happen，过去式为 happened，符合过去时态语境。 2. A（lost） 解析：承接上文 “丢东西”，lose 的过去式为 lost，表 “大明也丢了硬币”。 3. C（worked） 解析：work out 为固定搭配，表 “弄明白”，过去式为 worked。 4. D（took） 解析：表 “猫拿走了所有东西”，take 的过去式为 took。 5. E（put） 解析：put...in... 表 “把…… 放进……”，过去式与原形一致。 6. F（found） 解析：表 “侦探发现了信里的消息”，find 的过去式为 found。 拓展练 七、完形填空 1. B（showed） 解析：全文为一般过去时，show 的过去式为 showed，表 “警察给侦探看了一封信”。 2. B（stole） 解析：Jim 偷珠宝的动作发生在过去，steal 的过去式为 stole。 3. C（did） 解析：一般过去时的否定句，助动词用 did，did not=didn’t。 4. A（was） 解析：there be 句型，主语 something 是不定代词，表单数，过去式用 was。 5. B（saw） 解析：描述侦探过去 “明白了”，see 的过去式为 saw。 6. B（wrote） 解析：Jim 写消息的动作发生在过去，write 的过去式为 wrote。 7. B（hid） 解析：描述 Jim 过去 “藏珠宝” 的动作，hide 的过去式为 hid。 8. B（found） 解析：侦探过去 “找到珠宝”，find 的过去式为 found。 9. B（knew） 解析：侦探过去 “识破诡计”，know 的过去式为 knew。 10. B（got） 解析：警察过去 “取回珠宝”，get 的过去式为 got，get back 表 “取回”。 八、阅读短文，判断下列句子的正（T）误（F） 1. F 解析：原文 “One day, he went to the prison.”，侦探去了监狱，而非警察局，故错误。 2. T 解析：原文 “Jim stole many shiny jewels”，与题干表述一致，故正确。 3. F 解析：原文 “but the police didn’t find the jewels on him”，警察没在 Jim 身上找到珠宝，故错误。 4. T 解析：原文 “The letter was from Jim to his wife Susan... but there was a secret message in it”，与题干表述一致，故正确。 5. T 解析：原文 “Detective Sharp went to Jim’s home and found the jewels in Susan’s green garden”，与题干表述一致，故正确。 6. F 解析：原文 “He didn’t give the letter to Susan”，侦探最终没有把信交给 Susan，故错误。 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $