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　　Unit 4 Astronomy: the science of the stars
　　Ｉ．单元教学目标
　　技能目标Skill Goals
　　Talt the science of the stars, the development of life and space travel and gravity.
　　Practise giving instructions.
　　Practise talt problems in study or life.
　　Learn to use Noun Clauses as the subject.
　　Learn to write an essay to show your problems and the way to overe them.
　　II．目标语言
　　功
　　能
　　句
　　式 Talt the science of the stars, the development of life and space travel and gravity
　　Where do we e from?
　　How did the universe begin?
　　Why is the universe the way it was?
　　How will it end?
　　How much do you know about universe?
　　Do you want to have a space travel?
　　Do you know something about gravity?
　　Do you know something about black holes?
　　Practise giving instructions
　　Please look at/ listen to...
　　Please check that...
　　You need...
　　Please pay attention to...
　　Don’t forget to...
　　You’d better...
　　Mare you...
　　Watch out for...
　　You mustn’t...
　　Practice talking about problems in study or life
　　My problem is...
　　The difficulty is...
　　My trouble is...
　　The question is...
　　My advice is...
　　What I thint it is...
　　The fact is...
　　My suggestion is...