【正文】 Read the following sentences, try to guess the meaning of since. a. It has been two years since he came here. b. We have been friend since we met at school. c. Great changes have taken place here since you left. d. Since you are here, why not have a sit. e. Since you will go, I will go. 在以上的句子中 since都為連詞 , 自 …… 以來 既然 例： （ 1）自從 5歲開始，她就學(xué)習(xí)彈鋼琴了。 They won’t smoke any more.= They will no more smoke. 我不再是小孩子了 。 相當(dāng)于 keep up with 他跑得太快了 ， 我追不上 。 It has been two years since he came here. （ 3）既然你這么說，那一定是真的。 There are 5 footballs here, one of them is mine. ⑵ . one of 后面的名詞用何種形式？ 名詞復(fù)數(shù)形式。 They _____ _____ each other for two years. 2 他是世界上最著名的發(fā)明家之一。 She is always the last one to leave the classroom. 4. Then, at the 1992 Barcelona Olympics, she became the youngest Olympic champion at age 13. 1. 猜猜 at age 13 相當(dāng)于什么 ？ at age 13 = at the age of 13, 也可以轉(zhuǎn)換為 when引導(dǎo)的從句。 n. . 潛水 , 俯沖 , n. 跳水者 New words diving dream Dream Team Sydney dive diver Atlanta n. 站臺 n. 跳板 , 出發(fā)點 n. 冠軍 n. 年齡 , n. 勝利 n. 教練 v. 趕上 vt. 包括 , 包含 platform springboard champion age victory coach catch up with include In _______ , the has the “_____ _____”:the team ___the best athletes. But China has the “Dream Team”in ____. China has won many gold medals in ______since the ________ Olympics in S