1、7B Unit4詞語和課文句子以及語法的講解短語和句子1.The world is full of amazing things. 世界充滿了令人驚奇的事情。amazing是指“（物）令人驚異的，使人驚愕不已的”；而amazed則是“（人）感到驚異的”，使用對象不同。如：Im amazed to see such an amazing picture. 我很驚異的看到這樣一幅令人驚異的畫。The news was amazing. 消息令人驚訝。be full of 表示“滿的、充滿的”。如：The bus is full of students. 這輛汽車載滿了學生。His pocket i

2、s full uf money. 他的口袋里裝滿了錢。2. It takes about three days to travel from Earth to the moon by space ship.乘宇宙飛船從地球到月球需要三天的時間。句中take“花費”，表示“某人花了多少多長時間做某事”，常用句型“It takes sb+時間to do sth”。句中it是形式主語，真正的主語是后面的動詞不定式， sb用賓語形式。如：It takes me an hour to get to school on foot. 我步行到學校需一小時。如對該句型中的時間提問要用how long。以上一例

3、句為例：How long does it take you to get to school on foot?3. A man in the USA was 2.72 metres tall. 美國的那位男子2.72米高。表示長、寬、高、面積等，用基數(shù)詞+單位詞（meter，foot，kilogram等）+ 形容詞（long，wide，high等）表示，或者用基數(shù)詞+單位詞 + in + 名詞（length， width， height， weight等）表示。如：two meters long或 two meters in length 2米長three feet high或 three f

4、eet in height 3英尺高This box is 2 kilograms in weight 這個盒子有兩千克重。The city wall is 12 meters wide and 20 meters high 這垛城墻是12米寬，20米高。4. Fish sleep with their eyes open. 魚是睜著眼睛睡覺的?！皐ith 名詞（代詞）形容詞”這是一個“with復合賓語”結構在句中作伴隨狀語。如：He looked at his son with his mouth wide open. 他張大嘴巴看著他的兒子。The boy raised his head

5、with eyes full of wonder. 男孩抬起頭來，眼里充滿了好奇。5. You cannot sneeze and keep your eyes open at the same time.你做不到在打噴嚏的同時睜著眼睛。keep your eyes open “讓眼睛睜著”，keep 用作及物動詞常用句型為“ keep+ 賓語 + 賓語補足語”，意為“使保持某種狀態(tài)”，此結構可分為以下三種情況：(1) keep+ 賓語 + 形容詞或副詞。如：Please keep the door and window open. 請把門窗開著。(2) keep+ 賓語 + 介詞短語。 如：

6、Please keep your books behind your back. 請把書放在背后。(3) Keep+ 賓語 +V-ing 形式。如：Dont keep the students working all day. 不要讓學生整天學習。6. As usual, they sat under the big tree. 向往常一樣，他們坐在大樹下。as usual “向往常一樣”作副詞用，其意為as is (was ) usual 和往常一般。usual 是形容詞，不可用usually. 如：He is late for class again as usual. 他像平常一樣上課又

7、遲到了。As usual the girl won first prize in the contest. 那個女孩在比賽中仍然獲勝。 They arrived earlier than usual. 他們比平時來得早。7. They were still frightened. 他們?nèi)匀桓械胶ε?。be/feel frightened “感到恐懼害怕”，frightened意為“受驚的”或“害怕的”，一般用于指人，在句中作定語或表語，后面可接of短語、不定式或that從句。 如：The frightened tiger ran away from the fire. 受驚的老虎從火邊跑開了。

8、His daughter was frightened of the examinations. 他的女兒害怕考試。She was frightened to ride a bike. 她不敢騎自行車。The girl was frightened that her brother wouldnt come back. 女孩害怕哥哥不回來。 frightening意為“令人恐懼的”、“令人恐怖的”或“令人害怕的”，一般用于指事物，在句中作定語或表語。如： I dont think the lightning is frightening. 我認為閃電并不可怕。The tiger is a fr

9、ightening animal. 老虎是令人害怕的動物。8. They turned around and could not see anything unusual. 他們轉過頭去沒有發(fā)現(xiàn)不尋常的東西anything unusual表“不尋常的東西”， unusual是形容詞，修飾something，anything，nothing，everything等復合不定代詞時，須放在其后。如：Would you like something hot to drink？ 你想喝一些熱的東西嗎？We will give him everything necessary. 我們將為他提供一切必要的東

10、西。9. They listened carefully and heard the strange noise again. 他們仔細地聽又聽見了那奇怪的響聲。listen意為“聽”，表動作，強調過程，可用于進行時態(tài)。hear意為“聽到，聽見”，指聲音自然而然地進入耳中，強調結果，不可用進行時態(tài)。如：I listened carefully, but I heard nothing. 我仔細的聽可沒聽見什么。 10. what happened? 怎么了？happen作“發(fā)生、碰巧”解，一般用于偶然或突發(fā)性事件，多指發(fā)生意外事故，不幸的事。happen to常有兩種用法：happen to

11、sb. /sth. 如：What happened to you? (一般不說：What did you happen?) 你怎么了？The accident happened to him this afternoon. 今天下午他出了事。happen to do sth. 表“碰巧做某事”，如： I happened to be out when he called. 他來訪時我碰巧出去了。He happened to meet his uncle when he was in the park. 他在公園碰巧遇到了他的叔叔。happen一般用來強調某事發(fā)生的偶然性，如要表示事先安排或有準

12、備的事件，則用 take place。另外happen 和 take place都不能用于被動語態(tài)。如：Great changes have taken place in our country in the past ten years. 十年中我國發(fā)生了巨大變化。(不用happen) The sports meeting took place(=was held)in our school last week. 上周我校舉行了一次運動會。(不用 happen) 11. He searched carefully. 他仔細的搜查。search carefully 表“仔細的搜查”，searc

13、h 通常指對某處、某地進行搜查或搜索；后接人時為“搜身”。常接for構成短語search for，作“尋找；搜尋”解，如找資料，找工作等。它強調尋找的行為，不著重結果。如：The police searched him but found nothing on him. 警方搜了他的身，但什么也沒找到。They are searching for the missing child. 他們在尋找失蹤的孩子。look for 強調找的過程。如：He is looking for his dictionary here and there. 他在到處找那本詞典。12. People in the

14、center would take care of it. 動物中心的人們會照看它。take care of 表“照顧，照看”與look after同義。如：She stayed at home to take care of her baby. 她留在家里照看小孩。Take care of your health. 注意你的健康。13. They were not afraid any more. 他們再也不害怕了。not any more與no more兩個都是“不再”，主要用來表示數(shù)量和程度，一般常修飾短暫性動詞，指某動作不再重復發(fā)生。這兩個短語?？赏ㄓ?，但應注意它們在句中的位置變化。

15、如：The baby no more cried. ( = The baby didnt cry any more.) 這個小孩不再哭了。值得注意的是：表示某個動作和狀態(tài)因為某種因素而突然不再延續(xù)時，應用no longer 或not any longer，它一般修飾延續(xù)性動詞。如：You are no longer a child. (= You arent a child any longer.) 你已不再是個孩子了。 He no longer lives here. (= He doesnt live here any longer.) 他不再住這里了。14. Simon is crazy

16、 about football. 西蒙對足球很狂熱。be crazy about sth /doing sth 著迷某物/做某事 如：He is crazy about skiing. 他醉心于滑雪。The student is crazy about physics. 那個學生對物理著迷15.Sandy is fond of music. 桑迪喜歡音樂。be fond of sth / doing sth 喜歡某物/做某事，fond 表示“喜歡”時，只能作表語，用在系動詞be之后，也可用在連系動詞become ,get 等之后。構成短語 be /get/ become fond of，其后接

17、名詞、代詞、動名詞作賓語。 如：She is fond of music. 她喜歡音樂。They are fond of playing football after class. 課后，他們喜歡踢足球。16. Wake up, Eddie! 埃迪，醒醒。wake up意為“醒，醒來”。如：I usually wake up at six in the morning. 我通常早上6點醒來。wake up的另一意思為“喚醒”，其結構為wake up sb. 或wake sb. up（喚醒某人）。如：Please wake me up at 5:30 tomorrow morning. 請明天早

18、上5點半叫醒我。 17. Some dinosaurs weigh over 100.000 kilograms.一些恐龍重達100.000千克。weigh用作動詞，意為“稱重，估量”。 如：Please weigh the apples for me. 請為我稱一下蘋果。He weighed the stone in his hands. 他用手估算一下這塊石頭的重量。weigh的名詞形式是weight，與weight構成的詞組有：lose weight 減肥；over weight過重，超重；under weight重量不足，缺斤短兩；by weight 以重量計算等。18. It says that goldfish can only remember things for three seconds.據(jù)說金魚只能記住東西三秒鐘