2.名詞性物主代詞相當(dāng)于一個名詞, 作主語, 表語, 賓語

　　　 　　a. His brother is a driver; mine is a worker.

　　　 　　b. These books are mine.

　　　 　　c. You can use my bike and I may use hers.

1.形容詞性物主代詞相當(dāng)于一個形容詞, 作定語, 如: our work, her students, their house

3.關(guān)于人稱代詞用法需注意的問題:

　　 ①.在than / as引導(dǎo)的比較狀語從句中常有省略, 注意其中的人稱代詞作主語用主格, 作賓語用賓格. 在這類從句中, 在不引起誤解的情況下, 有時用賓格代詞代替主格代詞

　　　 　　a. He likes Mary better than I ( like Mary ).他比我更喜歡瑪麗

　　　 　　b. He likes Mary better than ( he likes ) me他喜歡我,更喜歡瑪麗

　　　 　　c. He is taller than I / me.

　　 ②.在強調(diào)句中, 若被強調(diào)的部分是代詞, 則其格不變, 如:

　　　 　　a. It was I who first opened the door this morning.

b. It was me whom they talked about.

　 �、�.人稱代詞單獨使用或是在not之后, 常用賓格

　　　 　　a. “ I like English. ” “ Me too.”

　　　 　　b. “ Would you like more wine ?”　 “ Not me.”

　 �、�.在同位語中, 人稱代詞的格視與之同位的詞在句中的成分而定, 如:

　　　 　　a. We, Tom and I, showed her many wonderful pictures.

　　　 　　b. She showed us, Tom and me, many wonderful pictures.

　 �、�.人稱代詞在代替一些不定代詞, 如: anybody, everybody, anyone, someone, no one, whoever及person等這些無明確對象的代詞或名詞時, 在正式場合用he / his / him代替, 在非正式場合用they / them / their代替, 如:

　　　 　　a. Nobody came, did he/they ?

　　　 　　b. Whoever comes, tell him / them the news.

⑥.在be或to be之后的人稱代詞的格應(yīng)根據(jù)它所指代的名詞或代詞在句中的成分而定

　　　 　　a. I thought it was she. / I thought it to be her.

　 　　b. I was taken to be she.我被當(dāng)成了她. / They took me to be her.他們把我當(dāng)成了她

⑦.在口語中常用賓格代詞作表語

a. “ Who is that ? ”　 “ It is me. ”

⑧.they可指“有關(guān)的人” “人們”, 相當(dāng)于people, 如:

　　　 　　a. They say the fire broke out at midnight. = People say the fire broke out at midnight. / It is said that the fire broke out at midnight.

　 �、�.三個人稱代詞同時出現(xiàn)時, 其順序一般是: 你, 他/她, 我; 我們, 你們, 他們

　　　　 a. You, he and I all enjoy music.

物主代詞

表示所有關(guān)系的代詞稱為物主代詞

2.賓格的用法: 作及物動詞的賓語或介詞的賓語.

　　　 　　a. Mr. Li teaches us English.

　　　 　　b. We often go and see her on Sundays.

　　　 　　c. You are really above me in maths.

d. Father bought a new bike for him.

1.主格的用法: 作主語, 表語

　　　 　　a. He often helps me with my English.

　　　 　　b. It is he who often helps me with my English.

2． 初步了解廣義相對論時空結(jié)構(gòu)及重要實驗觀測證據(jù)

[教學(xué)重點]

了解廣義相對論“等效原理”

[教學(xué)難點]

物質(zhì)的引力使光線彎曲

[疑點]

是引力使時空發(fā)生彎曲還是時空彎曲使物體受到引力

[易錯點]

光在真空中一定沿直線傳播

[思想方法]

等效替代的方法

[教材資源]P₁₂₀第一題

1． 　初步了解廣義相對性原理和廣義相對論等效原理

2．　 　物體的質(zhì)量會轉(zhuǎn)化為能量

[思想方法]

　　 　自洽性檢驗的方法

[教材資源]P₁₁₇第3題

　　　　　　　 　第四節(jié)：廣義相對論簡介

[學(xué)習(xí)目標(biāo)]