【正文】
= 3 and b = 4, what’s the answer to the problem: a + b + 1 = ? The answer is ______. (2023四川宜賓 ) A. twelve B. nine C. eight D. seven 1. His house is on the ______ (九 ) floor. 2. May is the ______ (five) month of a year. It’s the best time for hiking (徒 步旅行 ). 3. There are _______ (四十 ) students in his class. He always es the ________ (第四十 ). 4. Is Brian her ____ (第一個 ) or ______ (第二個 ) child? II. 根據(jù)提示完成下列句子。 one C. twentieth。 fifties B. fifth。例: ◇ twenty → twentieth ◇ thirty → thirtieth ◇ forty → fortieth ◇ niy → niieth ④ 兩位或兩位以上的基數(shù)詞變成序數(shù)詞 時,僅將個位數(shù)變成序數(shù)詞。 表示上百、上千、上百萬時,用 hundreds of, thousands of, millions of來表示。 1. 表示班級、年級、學(xué)校人數(shù)等; 2. (Class 2, Grade 7) . 表示城市和國家的人口數(shù)量等; . 表示電話號碼、車牌號、門牌 5. 號、價格、年份等。A Cardinal numbers B Ordinal numbers What numbers can you see? To learn the cardinal numbers and use them to talk about the numbers of people or things To learn the ordinal numbers and use them to talk about dates, floors, positions, etc. Words review zero hundred thousand million foot square metre area over num. 零 num. 百 num. 千 num. 百萬 n. 英尺 adj. 平方的 n. 英 米,公尺 美 mete