运行日志的“操作记事”栏内应记录好哪些内容？
参考答案：
应详细记录运行中异常情况发生的时间，异常内容、汇报处理情况、异常产生的原因，设备备用时间。
正确的近距离治疗步置管，骤是()
A．选好适应症，置管，定位，计划，治疗，后处理
B．选好适应症，定位，置管，计划，治疗，后处理
C．选好适应症，计划，置管，定位，治疗，后处理
D．选好适应症，置管，计划，定位，治疗，后处理
E．选好适应症，置管，治疗，计划，定位，后处理
The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.
Is r＜1 （） (1) r＞0 (2) r2＜1
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
