第7题: [单项选择]The treasury issued an order stating that ______ land purchased from the government had to be paid for in gold and silver. A. henceforth B. moreover C. whereby D. however 参考答案:A 答案解析:语义连贯题,本句选项的意思是:[A]henceforth,从今以后;[B]moreover,而且,此外(用于意思的追加或递进);[C]whereby,相当于by or through which,籍此
第13题: [单项选择]绿脓杆菌感染属于() A. 革兰阴性杆菌感染 B. 革兰阳性球菌感染 C. 无芽胞厌氧菌感染 D. 真菌感染 E. 病毒感染 参考答案:A 答案解析:外科感染常见致病菌包括:①革兰染色阴性杆菌:常见有大肠埃希菌、拟杆菌、绿脓杆菌、变形杆菌,其次为克雷伯菌、肠杆菌等。②革兰染色阳性球菌:常见为金黄色葡萄球菌,其次为表皮葡萄球菌和肠球菌。肠球菌则是人体