第27题: [单项选择]人体生长速度是快慢交替进行,一生经历的突增高峰次数是() A. 1次 B. 2次 C. 3次 D. 4次 E. 5次 参考答案:B 答案解析:人生长速度的曲线呈波浪式。一生会经历两次突增高峰,第一次发生在胎儿期,第二次发生在青春期。
第28题: [单项选择]What can we learn about Sidney A. He got some rain water. B. He was sick because of the weather. C. He fell off in the rainy day. 参考答案:B 答案解析:[听力原文] F: Sidney fell ill yesterday after he was caught in rain. M: Oh... is he better now