外研版高中英語(yǔ)必修1module5alessoninalab之四-資料下載頁(yè)
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【導(dǎo)讀】分?jǐn)?shù)、小數(shù)和百分?jǐn)?shù)的。A.先說(shuō)“幾十”，再說(shuō)“幾”，中間。B.先說(shuō)“幾百”，再加and,再加末兩位。C.1000以上的數(shù)先從后向前數(shù)，每三位數(shù)加。一“,”（千分位）；第一個(gè)“,”號(hào)前為。thousand;第二個(gè)“,”號(hào)前為million;第三個(gè)。序數(shù)詞一般以與之相應(yīng)的基數(shù)詞加詞。尾-th構(gòu)成，如：tenth（第十），但下。分子用基數(shù)詞,分母用序數(shù)詞;分子大。另外,還有幾個(gè)特殊表達(dá)的情況:
【正文】 red and sixtyseven Practice Now let’s say: 2/5 5/8 9/10 3/8 5/6 twofifths fiveeighths ninetenths threeeighths fivesixths Can you say the following in English correctly? point five point eight point seven six one point two three twentythree point four five one hundred point three two eightyseven point six seven five seven point five six four point point point po t 總結(jié)：小數(shù)點(diǎn)用 point Read these questions aloud and say the answers. 1. What is 189。 of 6,000,000? 2. How much is 35,246,000 plus 12,800,000? 3. What is 25% of 200,000,000? three million fortyeight million, fortysix thousand fifty million 4. How much is 260,408,396 and 5,284,700? two hundred, sixtyfive million, six hundred, niythree thousand, niysix 5. What is 190。 of 1,000,500,000? seven hundred, fifty million, three hundred, seventyfive thousand 6. What is 10% of 800,000,000? eighty million Homework Finish Exercise 9 on P 93.
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