什么是4M1E？

男性，25岁。腰背部疼痛、乏力、低热、盗汗、消瘦1月余，加重3天入院。曾在外院就诊，诊断为"腰肌劳损"，给予口服止痛药和理疗，症状稍缓解。发病以来食欲较差，体重减轻3.5kg。查体：腰椎活动度受限，腰4～5棘突压痛，双下肢感觉运动正常。右下腹饱满，肌稍紧张，轻压痛。

根据患者临床表现，初步诊断应考虑（）.

A.肠结核

B.慢性阑尾炎

C.腰椎结核

D.腰椎间盘突出症

E.腰肌劳损

F.类风湿关节炎

企业在计提固定资产折旧时，对于当月增加的固定资产当月不提折旧，当月减少的固定资 产当月照提折旧。

Kofi Annan says helping survivors of last week’ s earthquake and (1) in the Indian Ocean is (2) . The United Nations secretary- general says countries that have offered aid must (3) and provide it. The offers add up to around (4) dollars. United Nations officials say (5) of that is needed during the next six months. The concern about offers of international aid is (6) . For example, the earthquake in Barn, Iran, in (7) of 2003 killed more than (8) people. Countries and groups offered hundreds of millions of dollars (9) .The United Nations says it has (10) only about (11) dollars in aid received so far. Governments and organizations that offered help (12) that, however. On (13) Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14) . The leaders discussed and (15) the idea of (16) owed by affected nations. But the leaders did not say they would do so. Some said that (17) to survivors would be more helpful. Representatives of (18) countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19) for the Indian Ocean and the (20) .

水轮机导轴承安装是在（）进行的。

A、转轮主轴吊入、顶盖安装好后；

B、发电机转子与转轮主轴联轴后；

C、导水机构安装好后；

D、机组轴线调整合格及推力轴承受力调整好后。

液氯生成主要有三种方法（）、（）、（）。