第30题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She is going to give up biology. B. She spends half of her time on biology. C. To her, biology is difficult, but math is not. D. To her, math is even more difficult than biology. 参考答案:D 答案解析:[听力原文]
M:What do you think of biology
W:It’s given me a hard time,though it is not as difficult a