拔插法是确定故障的简捷方法,即关机后将插件板卡逐块拔出,每拔出一块板卡就开机观察运行状态,一旦拔出某块板卡后故障消失,那么就说明()有故障。
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Given this fragment from a Java EE deployment descriptor: 341. 342.java.lang.Throwable 343./mainError.jsp 344. 345. 346.java.lang.ClassCastException 347./castError.jsp 348. If the web application associated with the fragment above throws a ClassCastException.Which statement is true?()
A. The deployment descriptor is invalid.
B. The container invokes mainError.jsp.
C. The container invokes castError.jsp.
D. Neither mainError.jsp nor castError.jsp is invoked.
肌无力危象是因为()
A. 因抗胆碱酯酶药量不足引起
B. 因抗胆碱酯酶药量过量引起
C. 因抗胆碱酯酶药不敏感引起
D. 因抗胆碱酯酶药毒覃碱样作用引起
E. 因阿托品过量引起