【简答题】—Let me help you with your luggage. —______________ A.Yes, please. B.I know you ’ll help me. C.I can manage. Thank you all the same. D.Yes, of course.
【单选题】----- I’ll help you whenever you need me. ----- Good. I’d like ____ me tomorrow.
【判断题】纯净的、不含杂质的绿柱石品种是无色的,当含有杂质元素时才会呈现出各种颜色。
【单选题】患者,男,42岁。间歇性上腹痛3年,嗳气、反酸、食欲缺乏,冬春季节较常发作。近3天来腹痛加剧,突然呕血200ml。该患者出血的原因,最有可能的是