新公开课课件.pptVIP

小试牛刀： ( ) 1.When John was ________, he went to London to go on his university. A. on his twenties B. in his twenties C. in the twenties D. in his twenty ( ) 2. The small girl was born on __________. A. 2007 June 6 B. June 6 2007 C. June 6, 2007D. June, 6, 2007 ( ) 3. In our school, ________ of the students are boys. A. two third B. three fifth C. four-fifth D. four sevenths ( ) 4. 10:23 is __________. A. ten past twenty-three B. twenty-three to eleven C. twenty-three past ten D. ten twenty three 小试牛刀： ( ) 1. We can see ______ stars at night if it is fine. A. thousand of B. two thousands C. three thousands of D. thousands of ( ) 2. By the end of last year we had planted about___trees. A.five hundreds B. five hundreds of C. five hundred of D. five hundred （ ）3. —I hear your friend is visiting Sanya again. Is it the second time for him? —Yes, and he will come for ______ time next spring. A. a third B. a second C. the third D.three ( )4. It’s said that __ of the water around the world __polluted. two third; has B. two thirds; have C. two third; are D. two thirds; is * 语法互动--数词 中考考点 　 1．数词的构成。 2．数词的表达方式和用法。 考点一 数词的构成 1．基数词的构成 (1)0—12单独记。如： zero, one, two, three等。 (2)13—19的词尾都是teen。如：fourteen, seventeen等，但13—thirteen，15—fifteen，18—eighteen需要特殊记。 (3)20以上的整十的基数词均以ty结尾。如：20—twenty，30—thirty，40—forty，50—fifty，80—eighty等。 (4)“几十几”要加连字符号“－”。如：48—forty－eight, 97—ninety－seven等。 (5)“几百几十”或者“几百几十几”在“百”后加and。如：156—one hundred and fifty－six, 509—five hundred and nine等。 (6)四位数或者四位数以上的基数词的拼写规律：用逗号从右往左每三位加一个逗号，第一个逗号读作thousand(千)，第二个逗号读作million(百万)，第三个逗号读作billion(十亿)，hundred后莫忘“and”。 如：3，610＝three thousand six hundred and ten; 94，295＝ninety－four thousand two hundred and ninety－five； 274，350＝two hundred and seventy four thousand three hundred and fifty等。 2．序数词的构成 (1)“第一”、“第二”、“第三”分别是 first,secon