【单选题】【消耗次数:1】
清除主窗口屏幕的命令是( )
CLEAR SCREEN
CLEAR ALL
CLEAR WINDOWS
CLEAR
参考答案:
复制
纠错
相关题目
【单选题】 His explanation is not at all clear. I find it ____.
①  essential
②  confusing
③  awful
④  puzzled
【单选题】 Flash中Clear(清除)的快捷键是什么
①  Ctrl+V
②  Ctrl+D
③  Delete
④  Ctrl+Shift+V
【单选题】 The ( ) of this approach is a lack of clear leadership.
①  merit
②  advantage
③  virtue
④  downside
【单选题】 We were all surprised when he made it clear that he _____________office soon.
①  leaves
②  would leave
③  left
④  had left
【单选题】 [] has been made clear to all of us, none of you are to come late to class from today on.
①  It
②  As
③  What
④  Which
【单选题】 It was clear that much of what he said was far ____ the truth.
①  for
②  from
③  at
④  to
【单选题】 So clear was his _____ of the case that others had no more to say.
①  attitude
②  presentation
③  comment
④  remark
【单选题】 Why do novice teacher often have problems giving clear instructions?
①  Their language proficiency is low
②  They are fresh from the university
③  Their instructions are too short
④  They are not able to target their instructions to the level of the learners.
【单选题】 We should make a clear ____ between the two scientific terms for the purpose of our discussion.
①  separation
②  discrimination
③  deviation
④  distinction
【单选题】 Suddenly,?high above the jubilant roar?and?thunder?of?the?( ),?broke the?clear peal?of?a?bugle-note.
①  review
②  revel
③  reveal
④  revert
随机题目
【单选题】 纤维蛋白多聚体被纤溶酶水解后生成
①  DD
②  纤维蛋白单体
③  PAF
④  FgDP
⑤  MDF
【单选题】 下列哪项不是引起DIC的直接原因
①  血管内皮细胞受损
②  组织因子人血
③  血液高凝状态
④  红细胞大量破坏
⑤  异物颗粒大量人血
【单选题】 影响DIC发生发展的主要原因是
①  单核吞噬细胞系统功能受损
②  血液的高凝状态
③  纤溶系统的过度抑制
④  大量前列腺素的释放
⑤  肝功能严重障碍
【单选题】 下列哪项试验主要反映外源性系统的凝血过程有无障碍
①  出血时间
②  凝血时间
③  血块收缩时间
④  血浆凝血酶原时间
⑤  活化部分凝血活酶时间
【单选题】 下列诸因素中哪项是引起DIC晚期出血的主要原因
①  纤维蛋白原减少
②  凝血酶减少
③  血管通透性增加
④  血小板减少
⑤  继发性纤溶功能亢进
【单选题】 急性DIC时引起休克的原因与下列哪些因素无关
①  微血栓阻塞循环通道
②  补体、激肽系统被激活使毛细血管通透性增高
③  .心脏缺血、缺氧
④  有效循环血量减少
⑤  纤溶亢进
【单选题】 下列哪项不是引起DIC的直接原因
①  血管内皮细胞受损
②  组织因子人血
③  血液高凝状态
④  红细胞大量破坏
⑤  异物颗粒大量人血
【单选题】 下列哪项不属于DIC的临床表现
①  出血
②  发热
③  低血压
④  低血钾
⑤  蛋白尿
【单选题】 外源性凝血的始动因子是
①  因子IV
②  因子III
③  因子XII
④  因子X
⑤  因子XIII
【单选题】 由凝血因子XII启动凝血系统引起DIC最常见于
①  外科大手术
②  胎盘早期剥离
③  中毒性贫血
④  恶性肿瘤
⑤  败血症