Unit 4 Staying healthy
（一）知识与技能
1熟练掌握特殊疑问句 “ Why…?” 和 ” How often…?” 2熟练掌握连词 because 的用法。 3巩固 like/love/enjoy +doing 结构 （二）过程与方法
1使用 ‘wh-‘questions 询问学生所喜欢的活动并由此引出like/love/enjoy +doing 结构 e.g. What’s your favourite indoor/outdoor activity I like/love/enjoy +swimming/singing/working…
2使用‘wh-‘questions询问 某事发生的原因，练习对话：
Why do I always have a headache？
You always have a headache because you watch too much television. 3使用 ‘How’ questions 询问事情发生的频率 e.g. How often does Danny do some revision 4操练句型
How often ... ?
…once a month. / twice a year.反复操练该句型，使学生熟练掌握。 （三）情感、态度与价值观
通过学习课文，学生了解到运动有益健康。身体的不适和疾病源于不健康的生活习惯。因此，为了有健康的身体，应有规律地参加适当的室内和室外活动。
Period 1
Language focus:
Using nouns to identify activities
e.g. singing /dancing/running/swimming /playing/working Using the simple present tense to express interests
e.g. He likes singing/She enjoys swimming/We love playing.
Pre-task preparation Language learning activity
(This section aims at providing students with opportunities to practise the language/vocabulary needed or become familiar with the background for the task that follows.)
1 Play the recording: Sing a song. Students listen first. Then the whole class follows and sings together.
2 Divide the students into groups. Ask the students to practise singing and acting the song. 3 Groups take turns to sing and act the song in front of the class. 4 Ask the students to vote for the best group.
Period 2
Language focus:
Using nouns /noun phrases to identify conditions
e.g. a headache/a stomach-ache/toothache/a cold/a fever/a sore throat Asking ‘wh-‘questions to find out the reason e.g. Why do I always have a headache