M3要点及习题
Unit1句型展示
1、 我刚刚为我们的学校课题制作了一个模型飞机。
I’ve _______________ ___________a model spaceship for our school project.
2、 我还没开始呢，因为我不确定怎么制作。
I ___________ __________yet, because I’m not sure _________ _________ __________it.
3、-那么他们在火星上发现了生命了吗？ -不，还没有。
-So ___________they ___________life on Mars?-No, they ________ __________.
4、这就是为什么它（宇宙飞船）会上新闻。
That’s ____________ ___________ _________on the news.
5、为了有一天把宇航员送到火星上，许多科学家正在努力地工作。
Lots of scientists are working hard __________ __________ __________send astronauts to Mars one day.
探究 要点解读
1. Has it arrived yet?
自主领悟
1) arrive“到达”+ in大地方at小地方 = reach =get to
温馨提示：当arrive, reach, get后跟表示地点的副词，如here, there, home等，不用介词，即arrive/get/reach here/there/home. 李叔叔前天到达纽约。Uncle Li arrived ________/=________ __________/= __________New York the day before yesterday. 2)
1.Have Lingling and Betty finished their homework _______________? A.yetB.alreadyC.justD.still
2.I sent my letter to you yesterday. Have you heard from me ________? A.yetB.alreadyC.justD.still
3.Daming has ___________finished his paintings.A.stillB.yetC.already D.so
4.We reached the station in time yesterday.（改为同义句）We ___________ ___________the station in time yesterday.
2.So have they discovered life on Mars?那么他们在火星上发现了生命了吗？
活学活用
1.The policemen wanted to _______________who stole the gold?
2.Tom _________a box of gold on the island with his friends.
3.-Do you know who ___________the telephone?-Bell.
4.My pet dog was lost. I __________everywhere and I ____________it in the garden.
3.Lots of scientists are working hard in order to send astronauts to Mars one day.
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