Unit3 第2课时 Explore（分层作业）英语沪教版三起四年级下册

Unit 3 What's great about jobs? 第二课时 Explore 基础练 一、找出每组中不同类的单词或短语，将答案序号填在题前括号内。 1.( ) A. dentist B. farmer C. cook D. carrot 2.( ) A. brush B. check C. teeth D. pull 3.( ) A. sweet food B. ambulance C. fire engine D. police car 4.( ) A. look after B. take off C. grow carrots D. fill holes 5.( ) A. great B. bad C. tooth D. good 二、单项选择。 1.—What does Mrs Chen do? —She is a ______. She looks after people's teeth. A. doctor B. dentist C. farmer D. teacher 2.You shouldn't eat ______ sweet food. It's bad for your teeth. A. too many B. too much C. much too D. many too 3.—What do you think ______ Mrs Chen's job? —I think her job is great. A. of B. to C. for D. with 4.【新考法・图片信息】Look at the picture. The man is a ______. He is checking people's teeth. A. farmer B. dentist C. firefighter D. cook 5.Sometimes I ______ bad teeth out for my patients. A. pull B. pulls C. pulling D. to pull 三、判断句子与图片是否相符（相符写 T，不相符写 F）。 1.( ) She is a dentist. She looks after people's teeth. 2.( ) You should brush your teeth once a day. 3.( ) Firefighters drive fire engines to help people. 4.( ) A farmer grows carrots and listens to the cow. 5.( ) Mrs Chen fills holes in people's teeth. 提升练 四、看图，写出所缺的字母。 1.My uncle is a c__ __k. He cooks nice food. 2.A d__nt__st looks after people's teeth. 3.Farmers gr__w vegetables on the farm. 4.You should br__sh your teeth every day. 5.Firefighters drive f__re engines. 五、用所给词的适当形式填空。 1.Mrs Chen ______ (look) after people's teeth every day. 2.You shouldn't ______ (eat) too much sweet food. 3.What ______ (do) your father do? 4.Sometimes I ______ (pull) bad teeth out. 5.They ______ (be) firefighters. They help people. 六、从方框中选择合适的句子补全对话（有一个多余项）。 A. What does he do? B. Do you like your job? C. She is a dentist. D. He looks after people's teeth. E. What do you think of her job? F. She works in a hospital. Tingting: Hi, Youyou! Who is that woman? Youyou: She's Mrs Chen. 1. ______ Tingting: 2. ______ Youyou: I think her job is great. 3. ______ Tingting: Does she like her job? Youyou: Yes, she does. 4. ______ Tingting: Wow! That's cool. 拓展练 七、【新题型・任务型阅读】阅读短文，完成任务。 Mrs Chen is a dentist. She comes to school today. She talks about her job to the students. “I look after people's teeth. You should brush your teeth twice or three times a day. You shouldn't eat too much sweet food. Every day, I check people's teeth and fill holes in their teeth. Sometimes I pull bad teeth out. I like my job very much.” 任务一：根据短文内容回答问题 1.What does Mrs Chen do? ______________________________________________________________ 2.What should we do to keep our teeth healthy? ______________________________________________________________ 3.What does Mrs Chen do every day? ______________________________________________________________ 任务二：根据短文内容完成表格。 Job Work content Dentist 1. ______ people's teeth 2. Fill ______ in people's teeth 3. Sometimes ______ bad teeth out 4. Tell students not to eat too much ______ food_ 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 参考答案与解析 基础练 一、不同类单词或短语 1.D（carrot 是蔬菜，其他是职业） 2.C（teeth 是身体部位，其他是动词） 3.A（sweet food 是食物，其他是交通工具） 4.B（take off 是动作短语，其他是和工作 / 护牙相关的短语） 5.C（tooth 是身体部位，其他是形容词） 二、单项选择 1.B（dentist 是牙医，负责照顾人们的牙齿，对应课文内容） 2.B（too much 修饰不可数名词 sweet food） 3.A（固定句型 What do you think of… 用来询问对某事 / 物的看法） 4.B（图片是牙医检查牙齿的场景，对应课文职业内容） 5.A（一般现在时，主语是 I，动词用原形 pull） 三、判断句子与图片是否相符 1.T（图片是牙医，句子描述与课文一致） 2.F（课文说每天刷 2-3 次牙，不是 once a day） 3.T（图片是消防车，消防员驾驶消防车符合常识） 4.T（图片是农民和蔬菜、奶牛，与课文 chant 内容一致） 5.T（课文提到牙医补牙洞，句子描述相符） 提升练 四、看图写单词 1.cook 2.dentist 3.grow 4.brush 5.fire 五、用所给词的适当形式填空 1.looks（一般现在时，主语是第三人称单数） 2.eat（shouldn't 后接动词原形） 3.does（一般现在时，主语是 your father，助动词用 does） 4.pull（一般现在时，主语是 I，动词用原形） 5.are（主语是 they，be 动词用 are） 六、补全对话 1.C 2.E 3.D 4.F （多余项：B） 拓展练 七、任务型阅读 任务一 1.She is a dentist. 2.We should brush our teeth twice or three times a day and shouldn't eat too much sweet food. 3.She checks people's teeth and fills holes in their teeth. Sometimes she pulls bad teeth out. 任务二 1.Look after / Check 2.holes 3.pull 4.sweet $