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could help him. The keys to Unit6 一、 二、 popular athletic serious 三、 1620 CBCCA 21— 25 BCBBD 四、 , than 27. quieter 28. both, though, more athletic outgoing more serious ,calmer to parties at tall as 34. funnier, likes telling ,friendly 36. popular, so is have 五、 38. I’m more outgoing than my sister. 39. My friend is the same as me. 40. Here are photos of my twin sister and me. both enjoy watching football games. ’s best friend likes to do the same things as she does. 六、 44. busy 七、 53— 57 CADAC 58— 62 ABDCA 八、 63— 67 BAADC 68— 72 BCADC 九、 does she look like? ’t you look the same? she good at schoolwork? is more athletic? friends who are like you? 十、 Ann and Anna are twins. In some ways, they look the same, and in some ways, they look different. Ann is as tall as Anna, and she has longer hair than Anna. Anna is more outgoing than Ann. They both have a lot of beautiful clothes, but Ann’s clothes are much cooler. They are in the same school and are both good at schoolwork, thought Ann’s schoolwork is better than Anna’s. The keys to Unit7 一、 二、 tell 7. to see 9. more outgoing 三、 1115. DCBAC 16— 20 DCCCB 四、 for drink to popcorn did do on on life to 五 、 六 、 36— 40 c h a d f 七 、 43. showed 44. smoking 45. will be 46. smoking 47. know 48. do 49. smoking 50. will see 八 、 51— 55 .DBCCB A A 九 、 6165. C D B A C 6670. B C D B A 71. Butter, cheese, potatoes, fish, vegetables and grain. 72. 2,500 calories 73. Half as mu