电子出版物复制单位复制光盘类电子出版物,必须依照有关规定在光盘内圈表面压制( )。
A.来源识别码
B.音像制品编码
C.条形码
D.出版者代码
参考答案:A
根据下面的句子选择正确的图片。
( ) 1. Jack lives in Sydney.
( ) 2. His father goes to work by subway.
( ) 3. His father teaches math in a school.
( ) 4. His grandpa reads newspapers every day.
( ) 5. Jack always goes to bed at 9:30.
( ) 6. His sister likes playing the violin.
下列关于全身性外科感染的叙述,哪些是错误的()
A.菌血症是脓毒症的一种
B.当代外科感染中,革兰阴性杆菌感染已超过革兰阳性球菌感染
C.外科真菌感染属条件性感染
D.真菌感染时血培养易发现
E.伴有厌氧菌感染时易形成脓肿