第10题: [单项选择]气雾剂是指 A. 药物与适宜的抛射剂装在具有阀门系统的耐压严封容器中制成的制剂 B. 药物与适宜的抛射剂装在具有特制阀门系统的耐压容器中制成的制剂 C. 药物与抛射剂装在具有阀门系统的耐压严封容器中制成的制剂 D. 药物与适宜的抛射剂装在具有特制阀门系统的耐压严封容器中制成的制剂 E. 适宜的抛射剂装在具有阀门系统的严封容器中制成的制剂 参考答案:D
第11题:[填空题]<br><br><br/>参考答案:M 答案解析:[点评] 此处一个及物动词的过去式,后跟宾语vegetation,与and后面的broke up habitats并列作谓语部分。根据上文所说“气候急剧变化”,可知altered正确。altered
第15题: [单项选择]Questions 29 to 31 are based on the passage you have just heard. A. They usually don’t follow family rules. B. They don’t like to take chances in their lives. C. They are less likely to be successful in life. D. They tend to believe in their parents’ ideas. 参考答案:A 答案解析:[听力原文] What do we learn about later children in a family from a recent study of birth order 题