1、.It 的用法1： it 做形式主語，不定式to do 或that 引導的句子做真正的主語例句: It is important for us to protect environment. 保護環境對我們來說是很重要的。it 做形式主語，真正的主語是to protect environment即 to protect environment is important for us 是本句，但這樣顯得頭重腳輕，所以用it 做形式主語.例句: It is common knowledge that science and technology is the first productive fo

2、rce. it 做形式主語，that 引導的句子做真正的主語2：it 做形式賓語，不定式to do 或that 做真正的賓語例句：He thinks it very hard to master a foreign language.他認為掌握一門外語是很難的。he做主語，thinks 做謂語，it 做形式賓語，very hard 做賓補，to master a foreign language 做真正的賓語，即He thinks to master a foreign language very hard.例句：He thinks it very essential that he shou

3、ld have a decent job.他認為他應該有一份體面的工作是很必要的即He thinks that he should have a decent job very essential.3: it 用于強調句，其構造是it is was+強調部分+that 例句：It was his carelessness that caused his fatal failure.正是他的粗心導致了他的致命失敗。強調his carelessness,做caused的主語,即強調主語例句：It was in the cinema that I came across my former Engl

4、ish teacher.在電影院我巧遇我的前任英語老師。 強調地點狀語in the cinema 強調句去除it is 和that 這三個詞仍然還是完好的句子4 It引導時間的三種句型1：It is +一段時間+since 從句從句用一般過去時例句：It is a decade since we became friends.自從我們成為朋友已經有十年了。2: it was +一段時間+before 從句從句用一般過去時例句：It was several weeks before he found that his precise painting was missing.過了好幾周他才發現他

5、的珍貴畫不見了。3 ： it will be +一段時間+before 從句從句用一般如今時例句：It will be a long time before China becomes a developed country.在中國成為興隆國家之前將需過很長一段時間。語法單項選擇1 It is his ability that _.A he has become a general manager B makes him become a general managerC why he can become a general manager D for which he becomes a

6、general manger2 _is very import for her _.A It , has complete her work in time B It , because she has to complete her work in timeC It , to complete her work in time D There , to complete her work in time3 I think _.A it is very crucial to save money B it very crucial saving moneyC it very crucial s

7、ave money D it very crucial to save money4 It was his courage _.A that made him stand out B that he stood out C why he stood out D helped him stand out 5 It _ten years _he became a teacher.A was , since B is, afterC is, before D is , since6 It _many hours _his mother arrives home.A will be ,before B

8、 is , beforeC was , since D will be , before7 It _two years _he found that he had caught the liver cancer.A was, before B was,sinceC has been ,when D is,before8 It was _that_.A because he spared no efforts to study ,made him become a top student.B because of his diligence that made him become a top

9、student.C his diligence ,he became a top studentD his diligence, made him become a top student.語法填空1 It is essential for students _keephealthy.2 I feel _very necessary for me to help her.3 It is only in this way _we can achieve the instant fame.4 I feel _very important _we keep practicing English ev

10、eryday.5 It _two days _the meeting ends.“師之概念，大體是從先秦時期的“師長、師傅、先生而來。其中“師傅更早那么意指春秋時國君的老師。?說文解字?中有注曰：“師教人以道者之稱也。“師之含義，如今泛指從事教育工作或是傳授知識技術也或是某方面有特長值得學習者。“老師的原意并非由“老而形容“師。“老在舊語義中也是一種尊稱，隱喻年長且學識淵博者。“老“師連用最初見于?史記?，有“荀卿最為老師之說法。漸漸“老師之說也不再有年齡的限制，老少皆可適用。只是司馬遷筆下的“老師當然不是今日意義上的“老師，其只是“老和“師的復合構詞，所表達的含義多指對知識淵博者的一種尊稱，

11、雖能從其身上學以“道，但其不一定是知識的傳播者。今天看來，“老師的必要條件不光是擁有知識，更重于傳播知識。6 It _two weeks _we knew each other7 It _a long time _we become successful actors.8 It _ five days _ we arrived in Macao.答案及解析單項選擇1 B 【 解析】 強調句，因為it is his ability that 強調的是名詞his ability ,只能做makes 的主語2 C 【解析】 it 放句首做形式主語，只能to do 或that 引導的句子做真正的主語3

12、 D 【解析】it 放think 后做形式賓語，后面to do 做真正的賓語4 A 【 解析】 強調句，強調主語5 D 【解析】it is +一段時間+since 從句6 D 【解析】it will +一段時間+before 從句從句用一般如今時態7 A 【解析】it was +一段時間+before 從句從句用一般過去時態8 D 【解析】強調句 his diligence 做made 的主語答案及解析語法填空1 to keep 【解析】it 放句首做形式主語，to do 做真正的主語2 it 【解析】it 放feel 后做形式賓語，to help her 做真正的賓語3 that 【解析】強

13、調句，強調部分only in this way 做方式狀語4 it ,that 【解析】it 做feel 的形式賓語,后面是句子不是不定式觀察內容的選擇，我本著先靜后動，由近及遠的原那么，有目的、有方案的先安排與幼兒生活接近的，能理解的觀察內容。隨機觀察也是不可少的，是相當有趣的，如蜻蜓、蚯蚓、毛毛蟲等，孩子一邊觀察，一邊提問，興趣很濃。我提供的觀察對象，注意形象逼真，色彩鮮明，大小適中，引導幼兒多角度多層面地進展觀察，保證每個幼兒看得到，看得清。看得清才能說得正確。在觀察過程中指導。我注意幫助幼兒學習正確的觀察方法，即按順序觀察和抓住事物的不同特征重點觀察，觀察與說話相結合，在觀察中積累詞匯

14、，理解詞匯，如一次我抓住時機，引導幼兒觀察雷雨，雷雨前天空急劇變化，烏云密布，我問幼兒烏云是什么樣子的，有的孩子說：烏云像大海的波浪。有的孩子說“烏云跑得飛快。我加以肯定說“這是烏云滾滾。當幼兒看到閃電時，我告訴他“這叫電光閃閃。接著幼兒聽到雷聲驚叫起來，我抓住時機說：“這就是雷聲隆隆。一會兒下起了大雨，我問：“雨下得怎樣?幼兒說大極了，我就舀一盆水往下一倒，作比較觀察，讓幼兒掌握“傾盆大雨這個詞。雨后，我又帶幼兒觀察晴朗的天空，朗讀自編的一首兒歌：“藍天高，白云飄，鳥兒飛，樹兒搖，太陽公公咪咪笑。這樣抓住特征見景生情，幼兒不僅印象深化，對雷雨前后氣象變化的詞語學得快，記得牢，而且會應用。我還在觀察的根底上，引導幼兒聯想，讓他們與以往學的詞語、生活經歷聯絡起來，在開展想象力中開展語言。如啄木鳥的嘴是長長的，尖尖的，硬硬的，像醫生用的手術刀樣，給大樹開刀治病。通過聯想，幼兒可以生動形象地描繪觀察對象。5 will be ,before【解析】ends 是一般如今時，只合適it will be+一段時間+before 從句6 is ,since【解析】knew 是一般過去時態，根據意思，只合適it is +一段時間+since 從句7 will be ,before【解析】become 是一般如今時態，與當今“老師一稱最