第23题: [单项选择]Why is the woman urgent to have this problem solved A) She is worried she can’t attend the course. B) She is worried she has to change professor. C) She is worried she might not be able to graduate. D) She is worried she might fall behind in the course. 参考答案:B 答案解析:[解析] 对话结尾,女士说“我明天一大早就会去那里解决这个混乱的情况。我可不想中途换老师。”因此本题选B。 [点睛] 四个选项都描述女士担心会出现什么状况。对话中提到女士所选的都是化学科目,只