第15题: [单项选择]有关流产下列叙述正确的是 A. 流产与过量吸烟、酗酒无关 B. 孕8周前的早期流产,多先发生底蜕膜出血,然后胚胎死亡 C. 主要症状为停经后出现阴道流血和腹痛 D. 是指妊娠12周前终止者 E. 有先兆流产症状者绝对不能做阴道检查 参考答案:C
第16题: [单项选择]Passage Two Questions 29 to 31 are based on the passage you have just heard. A. To cut trees. B. To carry rocks. C. To destroy the trunks of trees. D. To carry the twigs of trees. 参考答案:B 答案解析:[听力原文] What sort of heavy work are elephants made to do