【正文】
很難明白宇宙有多大。做主語(yǔ)時(shí),謂語(yǔ)動(dòng)詞可用單數(shù) 或復(fù)數(shù)。課堂講練互動(dòng) 外研初中二年級(jí)上冊(cè) Module 3 Journey to space Unit 2 We haven’t found life on other plas yet. 課堂講練互動(dòng) 行星 太陽(yáng)系 也 沒有一個(gè) 環(huán)境 空氣 pla solar system also none environment air New words 課堂講練互動(dòng) 生長(zhǎng) 部分 星系 十億 宇宙 光線 growgrewgrown part galaxy billion universe light 課堂講練互動(dòng) 在之外 孤獨(dú) 入口 價(jià)錢為;花費(fèi) 更喜歡 beyond alone entrance costcostcost preferpreferredpreferred 課堂講練互動(dòng) the Earth the sun the moon Mars 火星 課堂講練互動(dòng) Venus 金星 Mercury 水星 Jupiter 木星 Saturn 土星 課堂講練互動(dòng) Uranus 天王星 Neptune 海王星 課堂講練互動(dòng) The solar system 課堂講練互動(dòng) Our Galaxy — The Milky Way (銀河 ) There are more than 200 billion stars in our galaxy (星系 ), and our Sun is only one of them. There are other galaxies in the universe. The stars we see at night are the suns in other solar systems. Other Galaxies 課堂講練互動(dòng) Warm Up 1. How many plas are there in our solar system? 2. Is there any life on other plas? 課堂講練互動(dòng) The best title of the passage is: ___ 1. Anyone out there? 2. Life on Earth 3. Our solar system 4. The stars at night Read the passage and choose the best title. 課堂講練互動(dòng) Put the words and expressions in the box in order: small – large. galaxy, pla, solar system, star, universe