自觉排队候车,先下后上,应成为都市文明的风范和景观。
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下列墙体或部位可设置脚手架眼()
A. 120mm厚墙,料石清水墙和独立柱
B. 宽度大于是1m的窗间墙
C. 梁或梁垫下及其左右500mm范围外
D. 砌体门窗洞口两侧200mm范围外
E. 砌体转角处450mm范围内
You have lost all members of your current redo log file group. You issue this query: SQL> select * from v$log; GROUP# SEQ# BYTES ARC STATUS FIRST_NAME 1 60 153600 NO INACTIVE 01-03-09:19:34 2 61 153600 NO CURRENT 01-03-09:19:50 You then perform an incomplete recover. You receive this message: ORA-00279: change 309141...03/09/01 19:50:14 Needed for thread 1 ORA-00289: suggestion : /disk1/archive/arch_61.rdo ORA-00280: change 309043 for thread 1 is in sequence #61 Specify log: {=suggested filename AUTO CANCEL} How should you respond to this message?()
A. Enter the keyword AUT
B. Enter the keyword CANCE
C. Press the Enter or Return key.
D. Enter the filename ’/disk1/archive/log2a.rdo’.
雨篷板通常都作成变厚度的,根部厚度不小于60mm。
A. 正确
B. 错误
患者男,30岁。腹部不适,无力,消瘦,发热贫血,粪便带脓血或黏液,最可能诊断为()
A. 左半结肠癌
B. 右半结肠癌
C. 小肠肿瘤
D. 克罗恩病
E. 溃疡性结肠炎