第17题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Introduce the man to Jane soon, B. Let the man have the book after Jane. C. Ask Jane what she thought of the book. D. Finishing writing to Jane as soon as possible. 参考答案:B 答案解析:[听力原文]
M: I’d like to borrow that book after you’ve finished it.
W: Sure, but I promised it to Jan
第25题: [单项选择]有关在自然条件下,某随机交配种群中等位基因A、a频率的叙述,错误的是:() A. 一般来说,频率高的基因所控制的性状更适应环境 B. 持续选择条件下,一种基因的频率可以降为0 C. 在某种条件下两种基因的频率可以相等 D. 该种群基因频率的变化只与环境的选择作用有关 参考答案:D
第26题: [单项选择]属于认知功能的是 A. 视觉 B. 注意 C. 听觉 D. 味觉 E. 嗅觉 参考答案:B