常用数字及单位应用(1-5节).pptx

Unit 2 常用数字及单位应用 第一节 数字 基数 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 20 twenty 30 thirty 40 forty 50 fifty 60 sixty 70 seventy 80 eighty 90 ninety 我想要一杯咖啡。I’d like one cup(s) of coffee. 我要10张门票。Ten tickets please. 0 zero 100 one hundred 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 我去英格兰旅行了15天。I took a fifteen-day trip to England 飞机要飞52分钟。The flight will take fifty-two minutes. 主要有100多个雕像。The flight will take fifty-two minutes. flight n.飞行，航班 较大整数的读法： (100) one hundred; (1000) one thousand (10 000) ten thousand (1 000 000) one million 其他较大整数的读法： (101) one hundred and one; (216) Two hundred (and sixteen) (2016) Two thousand and six 我的电话是 My phone number is eight, one, three, eight, five, four, zero, one 我想要第四排的座位。I want a seat in the fourth row. Shoulder n,肩 Width n,宽度 Centimeter n,厘米 2. 序数 第一 first(1st) 第二 second(2nd) 第三 third(3rd) 第四 fourth(4th) 第五 fifth(5th) 第六 sixth(6th) 第七 seventh(7th) 第八 eighth(8th) 第九 ninth 第十 tenth 第十二 twelfth(12th) 第二十 twentieth(20th) 肩宽41.3厘米。The shoulder width is 41.3 centimeters. 3. 小数 我能要你的电话吗？ May I have your phone number? 第二节 比例/倍数 分数 1/2 Half 我需要三分之一的水。I need one third of the water. 2/3 Two thirds 2/3 1/4 one fourth/ quarter 1/4 2. 百分比 这件上衣打八折。The coat is twenty percent off. Percent n,百分数，百分比 Off adv,减少 3. 倍数 这间房是那间的两倍大。This room is two times larger than that one. 2倍 two times/twice 3倍 Three times/triple 4倍 Four times 第三节 单位 重量 克 Gram(g) 这有一千克重。It weights one kilogram. 磅 Pound(lb) 千克 Kilogram(kg) 2. 容量 瓶里有一升酒。There is one liter wine in the bottle. 盎司 ounce(oz) 英制到公制换算 公制到英制换算 1 oz = 0.0283 kg 1 kg = 3