Unit When was it invented?
一、 重點單詞：
動詞：mention, doubt, divide
名詞：electricity, pleasure, smell,
副詞：nearly
二、 重點短語:
by accident not…until less than
take place even though without doubt
all of a sudden by mistake in the end
divide…into the number of look up to
三、 重點句型
I think the TV was invented before the car.
It is said that a Chinese ruler called Shen Nong first discovered tea as a drink..
四、 重點語法
一般過去時的被動語態
一、掌握一般過去時的被動語態的概念及構成
一般過去時的被動語態表示過去某一時間的被動動作或過去經常性、習慣性的被動動作，由“主語 + was / were + 及物動詞的過去分詞 + by + 動作執行者”構成，無需說明動作執行者時可省去“by + 動作執行者”。
例：This bridge was built in October last year. 這座橋是去年十月份建的。
These cakes were made by my mother last night. 這些蛋糕是我媽媽昨天晚上做的。
The girl said she was often beaten by her brother. 女孩說她經常被她兄弟打。
二、掌握一般過去時的被動語態句型的變換方法
一般過去時被動語態句型變換應圍繞was, were進行，
否定形式應在其後加not,
一般疑問句形式應將其提至句首，
特殊疑問句形式應將一般疑問句置於特殊疑問詞後面，
反意疑問句形式應保留was / were。如：
His computer was not stolen by thieves last night. 他的電腦昨天晚上沒有被小偷偷走。
Was your homework finished in time yesterday evening? 昨天晚上你及時完成家庭作業了嗎？
When was your letter written? The day before yesterday? 你的信是什麼時候寫的？前天嗎？
Why was this problem not worked out by you? 為什麼你沒有解出這道試題？
Your bike was not repaired last night, was it? 你的自行車昨晚沒有被修理，是嗎？
三、掌握一般過去時的被動語態疑問句的回答方法
肯定回答用“Yes, ... was / were.
否定回答用“No, ... wasn’t / weren’t.”;
特殊疑問句應抓住特殊疑問詞進行回答，可用簡略方法，也可用完整方法;
反意疑問句也應用“Yes, ... was / were.”或“No, ... wasn’t / weren’t.”進行回答。如：
—Was your office cleaned yesterday afternoon? 你的辦公室昨天下午打掃了嗎？
—Yes, it was. / No, it wasn’t. 是的，打掃了。/ 不，沒有打掃。
—Were your rooms painted again last week? 你的房間上週重新粉刷了嗎？
—Yes, they were. / No, they weren’t. 是的，重新粉刷了。/ 不，沒有重新粉刷。
—When was your brother sent to work in Beijing? 你兄弟是什麼時候被派到北京去工作的？
—Last year. / He was sent to work in Beijing last year. 去年。/ 他是去年被派到北京工作的。
—Where was the party held last Sunday? 上週日聚會在哪兒舉行的？
—At home. / It was held at home. 在家裡。/ 在家裡舉行的。
—Your debt was paid off at last, wasn’t it? 你所欠的債最終被還清了，是嗎？
—Yes, it was. / No, it wasn’t. 是的，被還清了。/ 不，沒有被還清。
五、 課文精講
1、I think the TV was invented before the car. 一般過去時的被動語態
think後如果接表否定意義的賓語從句，則要使用“否定轉移”，有此用法的詞還有believe,suppose,guess等。例：I don’t think Jim will win the competition..
2、They’re used for…它們被用來···
used to do 過去常常做
be used to doing習慣於做
be used for.. 被用來做….
3、For example,it mentioned that the zipper was invented by Whitcomb Judson in 1893.
Mention提到，說到，常用短語：mention … to sb 意為“ 跟某人提及······”
4、It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.
It is said that….據說….., It is believed that….人們相信、認為…,
It is reported that…據報道…. It is considered that…據認為…
5、In England,tea didn’t appear until around 1660,but in less than 100 years,it had become the national drink.
“ not …until , ”直到···才····該結構與非延續性動詞連用，如go,come,leave,arrive,move,realize , understand, reach,lend,borrow等。例：
I didn’t go to bed until 11 o’clock last night..
“less than” 少於 “more than” 多於，超過
6、The earthquake happened all of a sudden,but luckily the villagers were brought to a safe place.
happen,突然發生的情況，take place ，發生，舉行 舉辦，有原因有安排的事發生
all of a sudden 突然，猛地，相當於suddenly.
Luckily幸運地，相當於 fortunately，通常放句首。
例 Luckily,,I’ve arrived the school when it rained heavily.
7、The customer was happy in the end.
in the end 最後 終於，相當於at last ,finally.
by the end of… 到···為止， 不遲於，常用於完成時。
at the end of … 在···底\\盡頭 The park is at the end of the road .
8、Basketball was invented by a Canadian doctor named James Nasismish,who was born in 1861.
“who was born in 1861” 是非限制性定語從句。
9、Dr.Naismith divided the men in his class into two teams and taught them to play his new game.
devide…into .. 把···分成···
teach sb. To do sth. teach oneself 自學
10、The number of foreign players,including Chinese players,in the NBA has increased.
the number of …. ···的數量 後面謂語動詞用單數形式
a number of … 許多… 作主語時 謂語動詞用複數形式。
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