Ⅲ. Fill in the blanks. 用所给单词的适当形式填空。
1. I brush my
(tooth) twice a day.
2. Jenny brushes her
(hair) in the morning.
3. Here
(be) some good food.
4. I eat donuts three
(time) a week.
5. An apple a day
(keep) the doctor away.
答案：1. teeth 2. hair 3. is 4. times 5. keeps
解析：
1. "tooth"的复数形式为"teeth"，刷牙不止刷一颗牙，用复数。2. "hair"通常为不可数名词，无复数形式。3. "food"是不可数名词，be动词用"is"。4. "time"表示次数时是可数名词，"three"后接复数"times"。5. 主语"An apple"是第三人称单数，谓语动词"keep"用第三人称单数形式"keeps"。
Ⅳ. Read and tick. 读一读，勾选出健康的生活方式。
What do you do to be healthy?
(
) 1. Eat more vegetables.
(
) 2. Never eat fruit.
(
) 3. Always have breakfast.
(
) 4. Often do exercise.
(
) 5. Go to bed late.
(
) 6. Always brush the teeth.
(
) 7. Eat too much meat.
(
) 8. Eat too much candy.
(
) 9. Go to bed early and get up early.
答案：1. √ 2. [ ] 3. √ 4. √ 5. [ ] 6. √ 7. [ ] 8. [ ] 9. √
解析：
本题可根据健康生活方式的相关知识，对每个选项进行分析判断。健康的生活方式包括合理饮食、适量运动、规律作息和良好的卫生习惯等。
1. “Eat more vegetables.”多吃蔬菜是健康的饮食方式。
2. “Never eat fruit.”水果富含多种营养，从不吃水果是不健康的。
3. “Always have breakfast.”吃早餐有助于提供身体所需的能量，保持身体健康。
4. “Often do exercise.”经常锻炼可以增强体质，是健康的生活方式。
5. “Go to bed late.”晚睡会打乱生物钟，影响身体健康，不是健康的生活方式。
6. “Always brush the teeth.”经常刷牙能保持口腔清洁，预防口腔疾病，是良好的卫生习惯。
7. “Eat too much meat.”吃太多肉可能导致营养不均衡和肥胖等问题，不健康。
8. “Eat too much candy.”吃太多糖对牙齿和身体都不好，不是健康的方式。
9. “Go to bed early and get up early.”早睡早起有利于身体健康和良好的精神状态。
Ⅴ. Follow the directions. 根据要求做题。
1. Eat more vegetables and fruit. (译成汉语)
2. How often do you eat fruit? (根据实际情况回答问题)
3. An apple a day keeps the doctor away. (译成汉语)
4. I eat vegetables
six times a week. (对画线部分提问)
答案：1. 多吃蔬菜和水果。
2. (根据实际情况，示例) I eat fruit every day.
3. 一天一苹果，医生远离我。
4. How often do you eat vegetables?
