内容正文:
五年级上册 Unit 2 How do we stay healthy?
第3课时 Communicate & Extend 同步练习
姓名:
班级:
基础练
一、找出句中与例词画线部分发音相同的单词,写在横线上。
1. healthy It's a good habit to brush your teeth before bed. ___________
2. with My mother asks me to get enough sleep. ___________
3. thin I think drinking a lot of water is good for us. ___________
4. this There are many vitamins in fruit and vegetables. ___________
5. three I brush my teeth three times a day. ___________
二、选择最佳答案,将编号写在括号内。
1. —What healthy habits do you have? ( )
—______
A. I like running.
B. I get enough sleep and drink a lot of water.
C. I'm going to the park.
2. —How do you stay healthy? ( )
—______
A. I do exercise and eat healthy food.
B. What time do you get up?
C. Who is your friend?
3. —How many hours should we sleep every night? ( )
—About ______.
A. 6-8 hours
B. 8-10 hours
C. 10-12 hours
4. —What's bad for our health? ( )
—______
A. Playing on the computer all day.
B. Playing outside.
C. Drinking milk.
5. —You look tired. What should I do? ( )
—You should ______.
A. watch TV more
B. do more exercise
C. eat more junk food
三、读句子,选择对应的中文意思。
A. 不要整天玩电脑。
B. 水果和蔬菜对我们的健康有益。
C. 我们每晚应该有充足的睡眠。
D. 多喝水是一个好习惯。
E. 我打算多运动来保持健康。
1. We should get enough sleep every night. ( )
2. Don't play on the computer all day. ( )
3. I'm going to do more exercise to stay healthy. ( )
4. Fruit and vegetables are good for our health. ( )
5. Drinking a lot of water is a good habit. ( )
提升练
一、补全对话,把正确选项的编号写在横线上。
Miss Wang: Hello, Jack. You look unhappy. 1. ___
Jack: Hello, Miss Wang. 2. ___
Miss Wang: I'm sorry to hear that. 3. ___
Jack: No, I don't. I like eating hamburgers and chips.
Miss Wang: That's too bad. They are junk food. 4. ___
Jack: OK. I will try.
Miss Wang: And you shouldn't play on the computer all day. 5. ___
Jack: OK. Thank you very much.
A. Do you eat healthy food every day? B. You should do more exercise.
C. What's wrong with you? D. You should eat more fruit and vegetables.
E. I often feel tired and I'm not very strong.
二、阅读理解A。阅读短文,选择正确答案。
Heart rate experiment
Question: Does running make the heart beat faster?
Results: Resting:70 / Walking:90 / Running slowly:120 / Running fast:160 (per minute)
When we exercise more, the heart beats faster. Our muscles need more oxygen and nutrients when we move fast. So the heart works harder.
1. How many heartbeats per minute when walking? ( )
A. 70. B. 90. C. 160.
2. Which activity makes the heart beat fastest? ( )
A. Resting. B. Walking. C. Running fast.
3. Why does the heart beat faster when we exercise? ( )
A. Because we are scared. B. Because muscles need more oxygen. C. Because blood is cold.
4. The word "Resting" means ______. ( )
A. 运动 B. 休息 C. 睡觉
5. When we run fast, the heart beats about ______ times. ( )
A. 70 B. 120 C. 160
三、阅读理解B。阅读短文,判断正(A)误(B)。
Hello, I'm Lucy. I have many good habits. I drink eight glasses of water every day. I also eat lots of fruit and vegetables. I do exercise for one hour every day. I like walking and dancing. I don't play on the computer too long. I only play for half an hour a day. I always go to bed early at nine thirty.
1. Lucy has three good healthy habits. ( )
2. Lucy drinks six glasses of water every day. ( )
3. Lucy eats fruit and vegetables every day. ( )
4. Lucy plays on the computer for two hours a day. ( )
5. Lucy goes to bed before ten o'clock. ( )
拓展练
一、阅读科普短文,选择正确答案。
The magic of digestion
When we eat food, it goes on a journey inside our bodies. This is called digestion.
The mouth: The journey starts here. Teeth chew the food, and saliva starts to break it down.
The stomach: It is like a mixer. It uses acid to turn the food into soup.
The small intestine: This is the most important part. Good things in food go into your blood. They give you energy.
The large intestine: The leftovers move here. Water is taken in, and the rest becomes waste.
1. Where does the food go first after we eat? ( )
A. The stomach. B. The mouth. C. The small intestine.
2. What does the stomach do to the food? ( )
A. It chews the food. B. It turns food into soup. C. It takes in water.
3. Which part is the most important for energy? ( )
A. The mouth. B. The stomach. C. The small intestine.
4. What does the large intestine do? ( )
A. It makes food sweet. B. It takes out water. C. It gives us energy.
5. How many parts of digestion does the passage talk about? ( )
A. Three. B. Four. C. Five.
第3课时 Communicate & Extend 同步练习 答案与解析
基础练
一、语音辨析
1. 答案:teeth。healthy 中 th 发 /θ/,teeth 中 th 也发 /θ/。
2. 答案:mother。with 中 th 发 /ð/,mother 中 th 也发 /ð/。
3. 答案:think。thin 中 th 发 /θ/,think 中 th 也发 /θ/。
4. 答案:There。this 中 th 发 /ð/,There 中 th 也发 /ð/。
5. 答案:teeth。three 中 th 发 /θ/,teeth 中 th 也发 /θ/。
二、单项选择
1. 答案:B。问句询问健康习惯,B选项描述具体健康习惯。
2. 答案:A。问句问「怎样保持健康?」,回答具体方法。
3. 答案:B。小学生每晚应睡眠8-10小时。
4. 答案:A。整天玩电脑对健康有害,户外活动和喝牛奶对健康有益。
5. 答案:B。感到疲惫时,多运动有助于改善身体状态。
三、中英搭配
1. 答案:C。get enough sleep 意为「获得充足的睡眠」,every night 意为「每晚」。
2. 答案:A。Don't play on the computer 意为「不要玩电脑」,all day 意为「整天」。
3. 答案:E。be going to do 意为「打算做……」,stay healthy 意为「保持健康」。
4. 答案:B。be good for 意为「对……有益」,our health 意为「我们的健康」。
5. 答案:D。drinking a lot of water 意为「喝大量的水」,a good habit 意为「一个好习惯」。
提升练
一、补全对话
1. 答案:C。看到对方不开心,先询问发生了什么事。
2. 答案:E。回答自己遇到的问题,描述身体状况。
3. 答案:A。根据答语 No, I don't. 可知问句是 Do 开头的一般疑问句。
4. 答案:D。聊到饮食问题,老师建议多吃水果和蔬菜。
5. 答案:B。提到不要整天玩电脑,接着建议多运动来保持健康。
二、阅读理解A
1. 答案:B。根据实验结果,走路时每分钟心跳90次。
2. 答案:C。根据实验数据,快跑时心跳最快,达到160次/分钟。
3. 答案:B。Our muscles need more oxygen and nutrients when we move fast.
4. 答案:B。resting 意为「休息」,是心跳最慢的状态。
5. 答案:C。Running fast: 160 heartbeats per minute. 快跑时心跳160次/分钟。
三、阅读理解B(判断正A误B)
1. 答案:B。Lucy 有喝水、吃果蔬、运动、少玩电脑、早睡等多个好习惯,不止三个。
2. 答案:B。短文中提到 I drink eight glasses of water every day. 不是六杯。
3. 答案:A。短文中提到 I also eat lots of fruit and vegetables.
4. 答案:B。短文中提到 I only play for half an hour a day. 不是两小时。
5. 答案:A。短文中提到 I always go to bed early at nine thirty. 九点半在十点之前。
拓展练
一、时文阅读
1. 答案:B。短文说 The journey starts here. 这里指 mouth(口腔)。
2. 答案:B。短文中提到 It uses acid to turn the food into soup.
3. 答案:C。The small intestine: This is the most important part. 它把营养送入血液提供能量。
4. 答案:B。短文中提到 Water is taken in(水分被吸收),大肠从剩余食物中吸收水分。
5. 答案:B。短文分别介绍了 mouth、stomach、small intestine、large intestine 四个部分。
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