【单选题】【消耗次数:1】
Theresearchissodesignedthatonce______nothingcanbedonetochangeit.
begins
having begun
beginning
begun
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相关题目
【单选题】 Theresearchissodesignedthatonce______nothingcanbedonetochangeit.
①  begins
②  having begun
③  beginning
④  begun
【判断题】 A line is never begun with a comma, a period or a semicolon.
①  正确
②  错误
【单选题】 —When ____ the show ____?—It begins at 7 o’clock this evening.
①  does--begin
②  will--begin
③  is--beginning
④  is--going to begin
【单选题】 The actor opened the Bible and begins reading the Song of Solomon. Identify the mistake in the sentence.
①  actor
②  and
③  begins
④  reading
【单选题】 Having plenty of time, ____.
①  we needn’t to have hurried
②  there was no need for us to hurry
③  we didn’t need to hurry
④  hurrying was not necessary
【单选题】 Having been asked to speak at the convention __________
①  some notes were prepared for Dr. Smith
②  Smith prepared some notes
③  The convention members were pleased to hear Dr. Smith
④  Some notes were prepared by Dr. Smith
【判断题】 SELECT语句中的条件可以用WHERE或HAVING引出,但HAVING必须在GROUPBY之后使用。
①  正确
②  错误
【判断题】 SELECT语句中的条件可以用WHERE或HAVING引出,但HAVING必须在GROUP BY之后使用。
①  正确
②  错误
【单选题】 A good public speaker can _______ the audience (听众)at the very beginning.
①  convey
②  portray
③  exaggerate
④  hook
【单选题】 A: I didnt know you play basketball. Are you having fun? B: Im having a great time. [填空] What are you doing?
①  Great!
②  How about you?
③  I miss it so much
④  Do you know billiards?
随机题目
【判断题】 正棱柱的顶面、底面为正多边形,侧面与顶、底面垂直
①  正确
②  错误
【单选题】 轴线垂直H面的圆柱,被正垂面截切,截交线的空间形状为( )。
① 
②  椭圆
③  矩形
④  一条直线
【单选题】 带切口圆柱三视图正确的是<img src="https://file.icve.com.cn/ssykt/293/762/494BE9F27082F46369578F5E39161411.png"/>
①  <img src="https://file.icve.com.cn/ssykt/92/317/1734F413C584333E8D80BAE982C46850.png">
②  <img src="https://file.icve.com.cn/ssykt/943/633/EBE9E622E94B514C96E5A7F7C92EB4EB.png">
③  <img src="https://file.icve.com.cn/ssykt/312/811/4E2CAD5B3A1BD8950DDC8F573CA1A520.png">
④  <img src="https://file.icve.com.cn/ssykt/928/493/E807B7041A6F8E141A463904A473D616.png">
【判断题】 平面倾斜于圆柱底面截切圆柱,截交线为圆。
①  正确
②  错误
【判断题】 平面垂直于圆柱底面截切圆柱,截交线为长方形。
①  正确
②  错误
【单选题】 尺寸界限用()绘制。
①  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 粗实线
②  细 Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 实线
③  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 点划线
④  Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} 虚线
【单选题】 机件的真实大小应以图样上 为依据。
①  真实尺寸×比例
②  真实尺寸
③  图样所标的尺寸
④  都可
【判断题】 角度的数字平行于尺寸线书写,一般注写在尺寸线的上方。
①  正确
②  错误
【判断题】 尺寸线用细实线绘制,其终端有箭头和斜线两种形式。
①  正确
②  错误
【单选题】 表达盘盖类零件形状一般需要
①  一个基本视图
②  二个基本视图
③  三个基本视图
④  四个基本视图