关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入! 2022-05-29 (2) Mrs Catherine porter is 90. (2) Mrs Catherine porter is 90. 答案: 查看 举一反三 Mr William Porter is very old. He's _____.And Mrs Catherine Porter is _____. Mr Porter is from _______. 2.What is the age of Catherine Porter? A: 18 B: 80 C: 53 D: 58 ()个0.01是90. A: 90 B: 900 C: 9000 Catherine came home within A: 1 year B: 2 years 波特五力模型是迈克尔·波特(Michael Porter)于20世纪90年代初提出的。