Unit 4 Astronomy: the science of the stars(Period 5　Using language: Extensive reading)

→step 4 important language points
1. before we left, li yanping explained to me that the force of gravity would change three times on our journey and that the first change would be the most powerful.
在啟程以前, 李彥平向我解釋說, 在我們的航行中會有三次引力的改變, 而第一次的改變將是最強(qiáng)的。
句子中that the force of gravity would change three times on our journey and that the first change would be the most powerful是兩個并列的that引導(dǎo)的賓語從句, 作動詞explain的賓語。一個動詞若帶兩個賓語從句, 第二個引導(dǎo)詞that一般不省略。例如:
the girls told him (that) they were on a train trip across canada and that they had only one day in montreal.
姑娘們告訴他, 她們乘火車來旅游, 要橫穿加拿大, 在蒙特利爾待一天。
i understand not only (that) you have studied chinese but also that you have written chinese poetry.
我知道, 你不僅學(xué)了中文, 而且還寫中文詩。
2. i cheered up immediately and floated weightlessly around in our spaceship cabin watching the earth become smaller and the moon larger.
我立刻感到很高興, 由于失重我在太空艙里飄來飄去, 我望著（身后的）地球越來越小, 而（前方的）月球越來越大。
watching the earth become smaller and the moon larger是現(xiàn)在分詞短語, 在句中作狀語。
cheer (sb. ) up: (cause sb. to) become happier or more cheerful歡呼; 喝彩; 感到高興; 使高興
try and cheer up a bit; life isn’t that bad!
想辦法高興點(diǎn), 生活并不是那么糟！
the crowd cheered up when they saw the team arrive.
當(dāng)看到球隊(duì)的到來, 人群歡呼起來。
he took her to the concert to cheer her up.
他帶她去聽音樂會來使她高興。
watch. . . do/doing觀看, 注視
we watched the sun setting behind the trees.
我們看著太陽正在樹后面落下。
every day as they watched the plant grow, their hearts filled with hope.
每一天當(dāng)他們看到植物生長, 他們的心里都充滿了希望。
3. “oh dear, ” i cried, “walking does need a bit of practice now that gravity has changed. ”
“天哪, ”我大聲說, “重力改變了, 看來走路也的確需要練一練了�！�
now (that). . . : because of the fact (that). . . 既然……; 由于……
now (that) everybody is here, we can begin the meeting.
既然每個人都到了, 我們就可以開始會議。
now (that) you are a big boy you must behave better.
由于你是一個大男孩, 你就必須行為表現(xiàn)得更好。
4. we watched, amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.
我們驚奇地看著, 隨著地球引力的增加, 宇宙飛船的外層燃燒起火。
句子中的as fire broke out on the outside of the spaceship和as the earth’s gravity increased均為as引導(dǎo)的狀語從句。
amazed 是過去分詞, 在此處作狀語。
he came in unnoticed.
他神不知鬼不覺地走了進(jìn)來。
many heroes lie buried in the churchyard.