问题
单项选择题
内镜诊疗操作着严格按照操作规程，下列哪项错误（）
A.插入内镜后，必须先环扫整个检查区域
B.对每个解剖位臵应确认无疑，不要遗漏检查部位
C.对病变区域应进行重点检查，注意粘膜隆起性和凹陷性的病变，及黏膜色泽的改变
D.每10厘米取活组织检查
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
内镜诊疗操作着严格按照操作规程，下列哪项错误（）
A.插入内镜后，必须先环扫整个检查区域
B.对每个解剖位臵应确认无疑，不要遗漏检查部位
C.对病变区域应进行重点检查，注意粘膜隆起性和凹陷性的病变，及黏膜色泽的改变
D.每10厘米取活组织检查
参考答案：D
Is your schoolbag too heavy? The e-schoolbag will help you. It is said that e-schoolbags are going to be brought into 43 in Chinese middle schools soon. Heavy schoolbags have been a serious 44 for a long time. But the e-schoolbag will 45 . An e-schoolbag is 46 lighter than a usual schoolbag. Perhaps, the e-schoolbag should be 47 an e-textbook. It is a small computer for students. It is as 48 as a usual book, 49 it can still have all the things for study, such as textbooks, exercise books and so on which can be made 50 chips(芯片) like stamps. The students can read the text page by page on the screen, take notes, or even send e-mails to their teachers. They only need to 51 the right chip into the e-schoolbag. Then they can use it. Some people say 52 e-textbooks can be easily broken, while others say it is not good for eyes. But only time will tell.
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