1、Lesson 27Unit 5 Look into Science5Lesson 27 Planet Danny学习目标objectivesTo master the words and expressions：solar,telescope,certainly,unless,double,mystery;solar system,at night,even if;Its worth a try,even if I dont find a planet.To learn about the solar system and how to use the telescope.Wordsteles
2、copesolarsolar systemcertainlyunlessdoublemysteryn.望远镜adj.太阳的；关于太阳的太阳系adv.当然；确定；肯定conj.除非；如果不n.&adj.&adv.双倍（的）n.神秘事物；奥秘Lead inWarming up1.Do you know any of the planets in the solar system?2.What would you like to look at with a telescope?Solar SystemPre-readingTelescopeListening TaskListening to th
3、e dialogue and tick the correct answer.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.While-readingRead the lesson and write true(T)or False(F).1.Danny is studying the solar s
4、ystem at school.2.Danny is looking through the telescope when Jenny and Brian come to visit.3.During the day,Danny can see many stars in the sky through the telescope.4.Jenny and Brian will join Danny after supper.5.Danny has discovered a new planet.TTFTF1.He looks through the telescope.*辨析through与a
5、cross:through:指在立体空间中穿过;多指穿过门、窗、洞、森林等。across:指从某事物表面的一边穿到另一边;多指穿过街道、马路、桥梁、河流等。The moonlight is shining in _ the window.Everything in the room looks so nice.A.over B.across C.through D.pastthrough 介词，穿过，从中通过C2.The stars come out at night.The great writer has written many stories for children.It is sa
6、id that a new one will _ at the end of this month.A.go out B.come out C.look out D.run oute.g.These flowers come out at night.When will Li Leis new book come out?come out “出来”，动副短语；无被动语态还可表示：(花)开放；出版；发表B3.Maybe Brian and I can join you after supper.e.g.He _(join)the army two years ago.He _(join)the
7、army for two years.He _ an English club last year and improved his English a lot.Join 加入；参加（党派、组织、团体等），成为其中的一员。*join 为短暂性动词，不能与表示一段时间的状语连用，若用可用be in 来代替。joinedhas been injoined4.I dont think you can find one unless you have a bigger telescope.e.g.You will miss the bus unless you hurry up.I wont apol
8、ogize unless she apologizes first.-We cant be successful _ we keep working hard.-I agree with you.A.if B.unless C.because D.when unless 连词，除非；（=if not）引导条件状语从句。B作动词，意为“使加倍，翻倍”如：5.Actually,double the size of your house.The number of the houses here may double in 5 years.五年内这里的房屋的数量可能会翻倍。Wed like a do
9、uble room.我们想要一个双人间。作形容词，意为“双倍的、两倍的、两用的”，在句中作定语或表语。如：6.Well,its worth a try,even if I dont find a planet.e.g.The clock is worth ten dollars.Knowledge is worth working for.知识是值得努力的。He will come on time even if it rains.worth adj.值得be worth doing sth.值得做某事even if 即使；纵然（=even though）引导让步状语从句。Post-readingFree TalkWhat interests you about the solar system?If you had a chance to go to a space,would you go?单项选择。PracticeHomeworkPreview the words and expressions in Lesson 28.Finish the exercise of this lesson.
