English learning guide（Book3-Unit4） Designer：Li Jingbo Examiner：Li DongyuContentUnit 4Astronomy: the science of the stars Period Four reading and writing TeacherTypeNew lessonLearning aimsKnowledge: Learn some new words and expressionsAbility: Grasp different reading skills and writing skillsMoral:To develop the love for the astronomyLearning important pointsGrasp the words and expressionsGrasp different reading skills and writing skillsLearning difficult pointsThe improvement of reading ability and writing skillsLearning methodsLearn by oneself. Cooperative learning. Discussion Learning proceduresPersonal suggestionsQuestion :Do you want to go to the moon?Skimming:Write down the three ways in which gravity changed for Li Yanping.Careful reading:Fill in the blanks :The way gravity changedLeft the earthIn spaceOn the moonThe weight changedLeft the earthIn spaceOn the moonWords and phrases :1. enough :1）形容词作定语：enough用在名词前、后都可以。 I have enough time to do the work. / I have time enough to do the work. 我有足够的时间做此项工作。2） 用作副词修饰形容词或副词表示程度: enough一般放在形容词 或副词的后边。 long enough, fast enough, quickly enough等。 但一般不说：enough long, enough fast, enough quickly. The boy is old enough to go to school. 这孩子到上学的年龄了。3）用作副词修饰动词时也需放在动词之后。 The meat is not cooked enough. 肉炖得不够熟。Exercise :If I had _ (足够长的假期), Id visit Europe , stopping at all the small interesting places.2. the forceforce n. 力量，暴力， 军队 vt. 强制， 逼迫，用力打某物 forceful adj. 有力的 forced adj. 强迫的搭配： come into force 开始生效；开始实施put into force 施行（法律等）force sb. to do sth. 迫使某人做某事force st.h on sb. 勉强接受某物3. be off = set off 出发；动身与off相关的短语:see.off 送行 get off 下车jump off 跳下 take off 脱下give off 散发 turn off 关闭show off 炫耀 pay off 付清；还清4. get close to 靠近，接近，指动态变化 be close to 距.近，指状态 The school is close to the post office.5. .twice as far as.1). “A + be + 倍数 + as +形容词原级 + as + B”. This tree is three times as tall as that one. His father is twice as old as he.2). “A + be + 倍数 +形容词比较级 + than + B ”The Yangtze River is almost twice longer than the Pearl River. 长江差不多比珠江长两倍。The number of students in our school is three times larger than that in theirs. 我们学校的学生数量比他们学校的多三倍。3) . “A + be + 倍数 + the +名词 (size, length, amount) + of + B” The newly broadened square is four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。 Eg. 经过实验，这种细胞已经变得有那种细胞的三倍大了After the experiment, this cell has become three times as large as that one.After the experiment, this cell has become twice larger than that one.After the experiment, this cell has become three times the size of that one.6. get the hang of sth.查看某物运作；了解.的意义练一练：我一直想知道这部新的打字机的用法.I ve been trying to _ this new typewriter.Rethink and ask questionsB.B writingsTeaching Introspection资