一 should/shouldn't 辨析 根据句意，用should或shouldn't填空。
1. We are too tired. We have a rest.
2. We eat too much candy. It's bad for our teeth.
3. To keep healthy, you eat healthy food and drink enough water.
4. You check your phone in bed at night. It's bad for your eyes.
5. If you have a flu, you see a doctor.
6. We brush our teeth twice a day.

1. should 2. shouldn't 3. should
4. shouldn't 5. should 6. should

二 形容词词义辨析 新情境 家庭健康守则 Nick 的家庭制作了家庭健康守则。根据中文提示，补全健康守则。
Here are some rules to keep healthy.
1. Eat （健康的）food every day.
2. Drink （足够的）water every day.
3. Don't spend too much （空闲的）time on the phone.
4. Eat （较少的）candy at a time.

1. healthy 2. enough 3. free 4. less

三 动词词义辨析 根据上下文语境，补全短文。
It's flu season. We should 1. healthy to keep away the flu. We should 2. healthy food and 3. enough water every day. We should 4. every day and 5. enough sleep. We shouldn't 6. the phone in bed. We should 7. our teeth twice a day and 8. our eyes often. If we don't feel well, we should 9. a doctor. It's good to have healthy habits.

1. stay 2. eat 3. drink 4. exercise 5. get
6. check 7. brush 8. rest 9. see

四 动词短语应用 看图，仿照例句补全句子。
例：I eat green vegetables every day.
1. I twice a day.
2. I at the weekend.
3. I don't in bed.

1. brush my teeth 2. do my homework
3. check my phone