【单选题】【消耗次数:1】
幅面代号为A3的图纸长、短边尺寸分别是( )。
1189mm、841mm
841mm、594mm
420mm、297mm
297mm、210mm
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相关题目
【单选题】 图幅代号为A3的图框尺寸(单位: mm)为:( )
①  类似性
②  全等性
③  积聚性
④  对称性
【单选题】 幅面代号为A0的图纸长、短边尺寸分别是( )。
①  1189mm、841mm
②  841mm、594mm
③  420mm、297mm
④  297mm、210mm
【单选题】 幅面代号为A2的图纸长、短边尺寸分别是( )。
①  1189mm、841mm
②  841mm、594mm
③  594mm、420mm
④  297mm、210mm
【单选题】 幅面代号为A4的图纸长、短边尺寸分别是( )。
①  1189mm、841mm
②  420mm、297mm
③  297mm、210mm
④  841mm、594mm
【单选题】 60/28轴承的尺寸系列代号是( )mm
①  08
②  02
③  208
④  00
【单选题】 竣工图章尺寸为( )mm。
①  60×80
②  70×70
③  30×40
④  50×80
【单选题】 某轴段标注尺寸为,现对四个完工零件进行测量,得到的数据分别为φ55.000mm,φ54.998mmφ55.042mm,φ55.023mm,则合格的零件有( )
①  A.1个
②  B.2个
③  C.3个
④  D.4个
【单选题】 如照相机镜头上标有30mm一90mm,则变焦比为
①  30mm
②  60mm
③  90mm
④  3
【判断题】 烧结普通砖的规格为240mm×115mm×54mm的直角六面体。
①  正确
②  错误
【单选题】 规格尺寸标志为1000mm×2100mm的室内木质复合平开门,标记为:
①  M-N(MZFH)P-100210
②  C-N(MZFH)P-100210
③  M-W(MZFH)P-100210
④  M-N(MZFH)P-10002100
随机题目
【单选题】 What are not good rules to follow for making instructions effective?
①  Use simple instructions and make them suit the comprehension level of the students
②  Use the mother tongue only when it is necessary
③  Use body language to assist understanding
④  Not model the task or activity before letting students move into groups or pairs .
【单选题】 What role does a teacher play in the following activity? When the students have in groups decided where to go for a spring outing, the teacher asks each group to tell the others why they have made such a choice.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What role does a teacher play in the following activity? The teacher asks students to produce conversations (either orally or in writing) by using particular patterns or expressions they have just learned.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What role does a teacher play in the following activity? When students are doing a group-work task, the teacher joins one or two groups for a short period of time.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 What role does a teacher play in the following activity? The teacher has a word in his mind and asks students to guess by asking only Yes/No questions until they make the correct guess.
①  Controller
②  Assessor
③  participant
④  Resource-provider.
【单选题】 Which of the following is the advantage of pair work?
①  It is an ideal way to show materials and do presentations together
②  It allows students to work together rather than under teacher’s guidance
③  It reinforces a sense of belonging among a group of members
④  It is very stressful.
【单选题】 Which of the following is the time when students work in a pair?
①  When all the students are under the control of the teacher
②  When students work in pairs on an exercise or a task
③  When students work in small groups
④  When students are expected to work on their own at their own speed.
【单选题】 What role does a teacher play in the following activity? The teacher writes one of five numbers (1-5) on a number of cards (the same number as the students). Each student draws one card. Those who have drawn number 1 will form group1, and those who have drawn number 2 will form group 2. Thus the students are put into five groups in a random way.
①  Controller
②  Assessor
③  Organizer
④  Prompter.
【单选题】 What are language contents?
①  Structures, vocabulary, functions and topics
②  Pictures, vocabulary, communication and topics
③  PPT, structures, aims and summary
④  Structures, aims, functions and topics.
【单选题】 Which part is to be finished after a lesson in a lesson plan?
①  Teaching aids
②  End of a lesson summary
③  Optional activities and assignment
④  After lesson reflection.