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D.Grade One, Class Six(A.class one,grade six D.It’s July 15th( C.It’s fine A.It’s Saturday D.It’s November 13th( C.It is hot — ___________ )4.—What day is it today? C.fortyfive A.fourtyfive D. the twenty’s( B. twentieth )2. This is her __________birthday. s (fiftyeight, fiftyeighth) yuan.(6) It was cold and rainy yesterday. It was (four, fourth) degrees.There were (seven, seventh) millimeters of rain.四.單項選擇 ( seven seven【課堂回顧】1. 幾個比較容易寫錯的基數(shù)詞,比如十二twelve,二十twenty,四十forty ,九十ninety。15.—What time do you get up every day? twelveth’s the date today?It is ________. to go 4th is five and eight? are ___________ days in a year. hundred and sixty five hundred and sixtyfive hundreds and sixty five hundreds and sixty—five lives in __________. 404 B.Room 404 room D.404 Room。 twelve 。C. the third day is TuesdayA. hundred B. hundredsC. hundred of D. Hundreds of are two ________people in the meeting room. D. Lesson 21st【鞏固練習(xí)】1. 用括號內(nèi)所給數(shù)詞的正確形式填空 are in Class________(3). have________(12)months of the year. December is the _____________(12)one. is my________(1)bag. birthday is (21).5. I have________(3)books. I like my________(3)book.2. 根據(jù)句子意思填空1. Children’s Day(兒童節(jié))is on the________of June(六月).2. There are________months(月)in a year .3. Teacher’s Day(教師節(jié)) is on the________of September(九月).4. Three plus(加) six is________.三.單項選擇 grandmother is_____ old.A. seventieth B. seventy year B. Lesson Twentyfirst A. the twentyfirst lesson【例題精講】例. Danny lives in Room 404.【鞏固練習(xí)】例1:Lingling is in __________.A.Class Four,Grade Six B.Grade six,Class FourC.Class four,grade six D. Grade 6, Class 4例2:We are learning ___________如:twentyone (twentyfirst), thirtytwo(thirtysecond), fortyfive (fortyfifth)序數(shù)詞表示日期日期有兩種表達(dá)方式:the +日期(序數(shù)詞) +of +月份;