Unit 4 Astronomy: the science of the starsPeriod 4 Using language教案 单元教学目标 技能目标Skill GoalsTalk about the science of the stars, the development of life and space travel and gravity.Practice giving instructions.Practice talking abut 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 overcome them.II目标语言功能句式Talk about the science of the stars, the development of life and space travel an
