【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】 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
【单选题】 To make this ____ clear we shall have to look closely into biology’s long history.
①  distinction
②  indication
③  recognition
④  constitution
随机题目
【单选题】 一般抹灰中高级抹灰的主要工序为()。
①  一底层、一中层
②  一底层、一中层、一面层
③  一底层、数层中层、一面层
④  一底层、一中层、数层面层
【单选题】 细石混凝土刚性防水屋面厚度不宜小于()。
①  30mm
②  40~50mm
③  45mm
④  45~50mm
【单选题】 P30015表示的平面模板的面积为()。
①  0.36
②  0.45
③  0.225
④  0.125
【单选题】 沟槽开挖时,对松散和湿度很高的土进行土壁支撑,可采用()。
①  断续式水平挡土板支撑
②  垂直挡土板式支撑
③  连续式水平挡土板支撑断续或水平式水平挡土板支撑
【单选题】 砖柱在雨天每天砌筑的高度不得超过()。
①  1.2m
②  1.5m
③  1.8m
④  2.4m
【单选题】 在吊装构件时,构件间的安全距离为()m。
①  1.5
②  2
③  2.5
④  3
【单选题】 检查混凝土强度等级取样时,现浇楼层()。
①  每层取样不少于一组
②  100立方米取一组
③  50立方米取一组
④  每班次取一组
【单选题】 土的最初可松性系数Ks=()。
①  V1/V2
②  V2/V1
③  V1/V3
④  V3/V1
【单选题】 混凝土浇筑时,其自由下落高度不能超过()。
①  1.0m
②  1.5m
③  2.0m
④  3.0m
【单选题】 采用钢管抽芯时,井字形支架的距离不宜大于()。
①  50mm
②  100mm
③  100cm
④  50cm