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《Learning about Language》精品教案优质课下载
Part 1
1. Nowadays, the hazy weather frequently ______(appear) in our country.
2. Up to now, the smog has occurred many times, which ________(do) great harm to our daily life.
3. Every now and then, a lot of flights __________(delay) because of low visibility .
4. Some people got injured and even ____(lose) their lives in the accident caused by smog.
5. At present, the air that we breathe _________(get) worse and worse.
Part 2
1. ______( live) a better life, we should take a series of measures.
2. He went out, ________(wear) a mask in hazy weather.
3.____________ (realize) the great harm _____(cause) by the smog, I went to work with the public transportation .
4. We should plant more trees ________( absorb) and clean the ________(pollute) air.
5.Only in this way can we save ourselves from ______________ (harm) by smog.
Part 3
1. If everyone is aware of the importance of environmental _________(protect), we will regain a fresh, clean and bright world soon.
2.We can make a great ________(contribute) to our earth by making a few small changes.
3.When the entire society starts making these changes, we will create a ________ (beautify) world.
4. We should play an ______(act) part in dealing with the hazy weather.
Step3 Observe the sentences and summarize the usage of the verbs in the sentences.
请同学们认真观察以上三组句子，并探究用动词的适当形式填空时的答题技巧：
探究目标1：在第一组单句中，句中没有谓语，需填的词则是_________，
同时要考虑谓语动词的________和________以及________原则。
探究目标2：在第二组单句中，句中已有谓语动词，又不是并列谓语时，则用
________。其三种形式为_____，______ 和_____。
to do表______
doing表______和_______