八级英语m3 unit 2课件.pdf

外研初中二年级上册

Module3

Journeytospace

Unit2

Wehaven’tfoundlifeon

otherplanetsyet.

Newwords

planet

solarsystem

also没有一个

none环境

environment空气

air

grow-grew-grown生长

part部分

galaxy星系

billion十亿

universe宇宙

light光线

在之外

beyond

alone

entrance

cost-cost-cost价钱为；花费

prefer-preferred-更喜欢

preferred

thesun

Mars火星

theEarththemoon

Mercury水星Jupiter木星

VenusSaturn土星

Uranus星

Neptune海王星

Thesolarsystem

OurGalaxy—TheMilkyWay()

Therearemorethan200billionstarsin

ourgalaxy(星系),andourSunisonly

oneofthem.

OtherGalaxies

Thereareothergalaxiesintheuniverse.

Thestarsweseeatnightarethesunsin

othersolarsystems.

WarmUp

1.Howmanyplanetsarethereinour

solarsystem?

2.Isthereanylifeonotherplanets?

Readthepassageand

choosethebesttitle.

Thebesttitleofthepassageis:

1.Anyoneoutthere?

2.LifeonEarth

3.Oursolar