冀教九上Unit5 Lesson27PlanetDanny教学课件.ppt

;Think about it!

1. Do you like science? Why or why not?

2. Do you know any of the planets in the solar system?;How to see solar system?;What do they do?;What does the solar system include?;telescope n.

solar adj.

certainly adv.

unless conj.

double n. & adj.

mystery n.

;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 ;外语教学与研究出版社 九年级 | 全一册 ;The usage of through， across and over;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。;worth:“相当……价值,值得〞,

用于be worth+n./doing结构。