第17题: [单项选择]A. That babies understand language before they can speak. B. That babies have simple mathematical skills. C. Babies’ preferences for different kinds of toys. D. The influence of television on babies. 参考答案:B 答案解析:[听力原文] In our lab today, we’ll be testing the hypothesis that babies can count as early as fi
第18题: [单项选择]A. To better explain how to use that product. B. To help reduce the promotion cost of that product. C. To induce more famous people to use that product. D. To get TV viewers to remember that product. 参考答案:D 答案解析:[听力原文] Why does the advertiser put the celebrity on TV to talk about a particular product