冀教版九年级上Unit 5 Look into Science Lesson 27 Planet Danny课件（19张ppt）

(共20张PPT)
Lesson 27
Unit 5 Look into Science
5
Lesson 27 Planet Danny
学习目标
objectives
To master the words and expressions： solar, telescope, certainly, unless, double, mystery;
solar system, at night, even if;
It’s worth a try, even if I don’t find a planet.
To learn about the solar system and how to use the telescope.
Words
telescope
solar
solar system
certainly
unless
double
mystery
n. 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 in
Warming up
Do you know any of the planets in the solar system
What would you like to look at with a telescope
Solar System
Pre-reading
Telescope
Listening Task
Listening to the dialogue and tick the correct answer.
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-reading
Read the lesson and write true (T) or False (F).
Danny is studying the solar system at school.
Danny is looking through the telescope when Jenny and Brian come to visit.
During the day, Danny can see many stars in the sky through the telescope.
Jenny and Brian will join Danny after supper.
Danny has discovered a new planet.
T
T
F
T
F
1. He looks through the telescope.
*辨析through与across:
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. past
through 介词，穿过，从……中通过
C
2. The stars come out at night.
The great writer has written many stories for children. It is said that a new one will _______ at the end of this month.
go out B. come out
C. look out D. run out
e.g. These flowers come out at night.
When will Li Lei’s 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
B
3. Maybe Brian and I can join you after supper.
e.g. He _______ (join) the army two years ago.
He ___________ (join) the 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。
joined
has been in
joined
4. I don’t think you can find one unless you have a bigger telescope.
e.g. You will miss the bus unless you hurry up.
I won’t apologize unless she apologizes first.
--We can’t 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。
We’d like a double 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, it’s worth a try, even if I don’t 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-reading
Free Talk
What interests you about the solar system
If you had a chance to go to a space, would you go
单项选择。
Practice
Homework
Preview the words and expressions in Lesson 28.
Finish the exercise of this lesson.