第11题: [单项选择]典型心绞痛发作的疼痛部位在( ) A. 胸骨后或心前区，向左肩背部放射 B. 胸骨后或心前区，向左肩、左臂内侧放射 C. 胸骨后或心尖区，向左胸部放射 D. 胸骨区且向左上肢内侧放射 E. 剑突区且向左上肢外侧放射 参考答案:B 答案解析:[解析] 典型心绞痛发作的疼痛部位在胸骨上、中段之后或心前区，向左肩、左臂内侧达环指、小指放射。
第26题: [单项选择]Questions 19 to 22 are based on the passage you have just heard.What might surprise us about birds’ nests according to the speaker A. Some are built underground. B. Some can be eaten. C. Most are sewed with grasses. D. Most are dried by the sun. 参考答案:A 答案解析:[精解] 题干问：“根据说话者的意思，关于鸟巢的什么事情可能让我们吃惊 ”根据文章的最后“So when you look for nests and eggs in branches of the
