Unit 5 Look into ScienceLesson 27 Plant DannyThink about it!1. Do you like science? Why or why not?2. Do you know any of the planets in the solar system?行星太阳的How to see solar system?telescopese望远镜What do they do?What do they see?What does the solar system include? The earth, the sun and the moon all belong to the solar system. Our solar system is in a galaxy called the Milky Way. The Milky Way has more than five hundred billion srats. Scientist say the universe contains billions of galaxies.Do you think there is life on other planets? Lets see! telescope n. solar adj.certainly adv.unless conj.double n. & adj.mystery n.望远镜太阳的当然除非两倍&双倍的谜Listen to the dialogue and tick the correct answers.(1)What did Danny do last night?He tried to study the moon.He tried to find a new planet.(2)What did Danny use?A telescope.A book.(3)What did Danny need?More sleep.More stars.外语教学与研究出版社九年级|全一册arrive意为“到达,来到”，为不及物动词,后接表地点的名词时,需使用介词in或at。in用于指较大的地点,at则指比较具体的小地点。arrive at/in=get to/reach外语教学与研究出版社九年级|全一册He said that I could use his telescope. 本句含有that引导的宾语从句。无论主句是陈述句还是疑问句,宾语从句都应使用陈述语序。含宾语从句的复合句,主从句谓语动词的时态呼应包括以下三点:(1)如果主句的谓语动词是一般现在时,宾语从句的谓语动词可根据需要,选用相应的时态。(2)如果主句的谓语动词是一般过去时,宾语从句的谓语动词应用相应的过去时态。(3)如果宾语从句所表示的是客观事实、普遍真理、自然现象或习惯性动作等,不管主句用什么时态,从句时态都用一般现在时。The usage of through， across and overthough:表示“穿过、通过”，指从某处或某物中间通过，侧重点是从某空间里面通过。across:表示“横过、穿过”，指在某一平面或物体上从一边到另一边去。over:表示“越过”，指从某物的上方越过。unless :“除非，如果不”。unless 引导的条件状语从句常用一般现在时表示将来的意义，主句多用一般将来时。例句：You will fail unless you study hard.如果你不努力学习，就会失败。double作名词或形容词,意为“两倍(的);双重(的)”,也可作动词,意为“使加倍”worth:“相当价值,值得”,用于be worth+n./doing结构。even if:“即使”,用来引导让步状语从句。belong to sb.意为“属于某人”,=be sb.sbelong to不能用于进行时态和被动语态。billions of:“数十亿计的”Read the lesson and write true or false.( )1.Danny is studying the solar system at school. ( )2.Danny is looking through the telescope when Jenny and Brian e to visit. ( )3. During the day, Danny can see many stars in the sky through the telescope. ( )4. Jenny and Brian will e back to Dannys house because they want to use the telescope. ( )5. Danny has discovered a new planet.TTFTFOn Saturday afternoon, Brian and Jenny visited Danny at his house. When they arrived, Danny was outside looking _ _a telescope. Brian and Jenny laughed at Danny because he was using the wrongof the telescope. Of course, Danny couldnt see theduring the day. Brian and Jenny also wanted to join Danny. They decided to e back after supper. After the sun went down, they could see the stars. Danny hoped to a new planet. Read the lesson and fill in the blanks.throughendstarsdiscoverGroup work:1. Practice the dialogue in groups2. Act it out.What interests you about the solar system?If you had a chance to go to space, would you go?Share your ideas with a partner.Lets enjoy some picturesMake a new dialogue with your partner.1.Listen and read.2.Finish exercises of this lesson.Homework