第4题: [单项选择]关于葡萄胎的临床表现,错误的是()。 A. 停经后出现不规则阴道流血 B. 子宫人于妊娠周数 C. 早孕反应较轻 D. 妊娠高血压综合征出现早 E. 血清HCG水平异常升高 参考答案:C 答案解析:常见症状为停经后12周左右不规则阴道流血:子宫异常增大,质地变软并伴血清HCG水平异常升高;妊娠呕吐及妊娠高血压综合征出现早,症状重;由于大量HCG刺激卵巢卵泡内膜细胞发生黄素化而形成黄素化囊肿。
A. Elephants can be graceful. B. Tigers are too dangerous to be trained. C. Animals which are natural enemies can be trained to live together. D. Animals can become interested in their tricks. 参考答案:B 答案解析:[关键词语] graceful,live together,interested [详细解答] 根据文章提供的信息可知大型动物(包括狮、虎、象等)受训后也能以优雅的动作进行表演,而本为天敌的动物
第10题: [简答题]Conversation
Look at the note below.
You will hear a man calling to his secretary.
Message
Date: 1st April Time: 9:45
Item: buying 【1】
Purpose: 10 for meeting room, 【2】 for the office
Total money: 【3】
Deadline for purchasing: before 【4】, April
参考答案:coffee sets