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可算出細(xì)銅絲的直徑約為mm。注意:例例6,可以在速度的第二課時進(jìn)行。三、運(yùn)用“課前預(yù)習(xí)學(xué)案”所掌握的知識完成“課內(nèi)探究學(xué)案”。進(jìn)一步體會分類標(biāo)準(zhǔn)的多樣化,能安自己的標(biāo)準(zhǔn)分類。三、鞏固練習(xí)分一分(1)蘋果、茄子、桃子、香蕉、白菜、西紅柿。,要重視學(xué)生的情感體驗,采用多種形式調(diào)動學(xué)生的學(xué)習(xí)積極性。(師板書:觀察物體)生4:我了解千克、克、噸的實際大小和年、月、日的有關(guān)知識。生2:以小組對抗賽進(jìn)行。三、圣誕數(shù)學(xué)園(出示圣誕老人的卡通像,同時放錄音)圣誕節(jié)快樂,孩子們!歡迎你們參加游園活動,數(shù)學(xué)樂園一共有3個活動區(qū),分別是“我是森林醫(yī)生”“趣味接龍”“當(dāng)個智慧家”。生2:我會出題了。That只有語法作用,沒有實在的意義,在口語和非正式文體中可以省略。如:Everyone knew there are sixty minutes in an 。但是,如果主句中的謂語動詞是 hope,則不適用于此規(guī)則。 I asked Tom , “ What do you like best ? ”— I asked Tom what he liked best.(去掉了do ,like 恢復(fù)為liked)The teacher asked me : “ Have you read the book ? ”—The teacher asked me if I had read the book.(助動詞have放在主語I后并主句時態(tài)保持一致變?yōu)閔ad)He asked , “ Who can carry the box ? ”—He asked who could carry the 項訓(xùn)練一、單項選擇Do you know how much hot water ________ ? A.Mum is neededB.does Mum need C.Mum needsD.did Mum needCan you tell me ________? A.where he isB.where is he C.he is whereD.what is heI didn’t know how ________ to London?A.would they goB.a(chǎn)re they going C.they would goD.they are goingI want to know how long .has he been backB.has he e back C.he has been backD.he has e backDo you know ________ ? A.what the news areB.what is the news C.what the news isD.what are the news is true that she may fall behind the foreign friends think ________ the Chinese people are very ’d like to know ________ he began to learn did he begin to learn did he begin learning how long he began to learn teacher asked us ________ the classroom after clean二、漢譯英我認(rèn)為他的答案不對。I want to know _________ there is a train to 、叔叔說他正在寫一本新小說。如:She thinks her answer is 。(格言)He said that light travels faster than 。(但是,有時 it 也可以省略) all thought it a pity that she couldn’t 由一般疑問句轉(zhuǎn)換而來的賓語從句,用 whether 或 if