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AIM: To evaluate if HB vaccination can yield a booster effecton the anti-HBs level of those naturally acquired HBV posit......

Unit 9 A visit to a factoryrnⅠ.Warming-up Activities rnGet the students to review some prepositions(such as in,on,near,......

鸡西矿业集团公司张辰煤矿西三采区3...

Unit 21 Mainly revisionrn(Lesson 81～Lesson 84)rnⅠ.Lead-in rnLessons 81～82 rnStep 1:Ask the students to make quick respons......

Ⅰ.Warming-up Activities rnGive the students some pieces of paper on which there are some sentences.Ask them to say the ......

Ⅰ.Warming-up Activities rnHave a free talk with the students about football.rn...

鸡西矿业集团公司张辰煤矿西三采区3...

Unit 18 Planting treesrnⅠ.Warming-up Activities rnHave a talk with the students about how to plant trees....