【正文】
?? How to see solar system? telescopes e 望遠(yuǎn)鏡 ?? What do they do? What do they see? What does the solar system include? The earth, the sun and the moon all belong to the solar system. Our solar system is in a galaxy called the Milky Way. The Milky Way has more than five hundred billion srats. Scientist say the universe contains billions of galaxies. Do you think there is life on other plas? Let39。 adj. mystery n. 望遠(yuǎn)鏡 太陽(yáng)的 當(dāng)然 除非 兩倍 amp。 in用于指較大的地點(diǎn) ,at則指比較具體的小地點(diǎn)。無(wú)論主句是陳述句還是疑問(wèn)句 ,賓語(yǔ)從句都應(yīng)使用陳述語(yǔ)序。 (2)如果主句的謂語(yǔ)動(dòng)詞是 一般過(guò)去時(shí) ,賓語(yǔ)從句的謂語(yǔ)動(dòng)詞應(yīng)用相應(yīng)的 過(guò)去 時(shí)態(tài)。 The usage of through, across and over though: 表示“穿過(guò)、通過(guò)”,指從某處或某物