重点短语(Unit8 It must belong to Carla.)同步练习参考答案 I. 1. heard from 2. not only; but also 3 was built by 4. who belongs to 5 had fun Ⅱ.1.B解析:根据句子 Well. in America, the word is now often used可知。 2.C解析:通读第一自然段可知。 3.D解析:通读第二自然段可知 4B解析:本文说明了 couch- potato的含义 5.C解析:通读全文可知,作者提醒我们不要长时间看电视。重点短语（Unit 8 It must belong to Carla.）同步练习参考答案 Ⅰ. 1. heard from 2. not only; but also 3. was built by 4. who; belongs to 5. had fun Ⅱ. 1. B 解析：根据句子 Well, in America, the word is now often used.可知。 2. C 解析：通读第一自然段可知。 3. D 解析：通读第二自然段可知。 4. B 解析：本文说明了 couch-potato 的含义。 5. C 解析：通读全文可知，作者提醒我们不要长时间看电视