4. It stops us from passing the flu virus to others easily. 它能防止我们轻易地把流感病毒传染给别人。
【感知】(1)The teacher stopped the students from talking in class so that everyone could listen carefully. 老师阻止学生在课堂上说话，这样大家都能认真听讲。
(2)My mom always stops me from eating too many snacks before dinner because it's bad for my health. 妈妈总是不让我在饭前吃太多零食，因为这对健康不好。
(3)Parents often keep their kids from playing with dangerous things. 父母经常阻止孩子玩危险的东西。
【思考】通过观察可知，stop sb from doing sth 意为“”，相当于 keep sb from doing sth，口语中也常用 stop sb from doing sth，from 可省略。但 keep sb from doing sth 中的 from 不可省略。
【运用】
(1)父母应该阻止孩子长时间玩电子游戏。
Parents should their children video games for a long time.
(2)这场大雨阻止了我们按时到达火车站。
The heavy rain us at the train station on time.

思考：阻止某人做某事
运用：（1）stop/keep；from playing （2）stopped/kept；from arriving

一、单词拼写与运用
根据所给首字母或汉语提示完成句子。
1. If you have a s throat，drinking warm water with honey can help relieve the discomfort(不适).
2. You should a eating too much cold food in winter，or you may catch a cold easily.
3. The nurse told the p to take the medicine three times a day and have a good rest.
4. My little sister has a fever—she is s from a bad cold.
5. We should protect our living e by planting more trees and reducing pollution.
6. My grandma's knees often have (疼痛)in rainy days，so she needs to wear warm pants.
7. The doctor gave me some (药物)for my cough and told me to drink more water.
8. You can (按压)the red button if you need help，and the nurse will come soon.
9. A bad (疾病)kept Tom in bed for a week，so he missed many classes.
10. If you have a (流鼻涕的)nose，you'd better use a soft tissue(纸巾)to wipe it gently.

一、1. sore 2. avoid 3. patient 4. suffering 5. environment 6. pain 7. medicine 8. press 9. illness 10. runny

二、词汇运用
从方框中选择恰当的反身代词填空，使句子意思完整。
myself，yourselves，itself，himself，herself，themselves，yourself，ourselves
1. My father often cooks dinner by when my mum is busy with work.
2. —Help to some fruit，Tom. It's fresh from my grandma's garden.
—Thank you very much!
3. The little girl learned to tie her shoes all by —she didn't ask anyone for help.
4. We need to finish this group project by before Friday，so let's work hard together.
5. The robot can clean after working for an hour. It's really smart!
6. The students made all these handmade cards by . Their teachers were very proud of them.

二、1. himself 2. yourself 3. herself 4. ourselves 5. itself 6. themselves