【单选题】【消耗次数:1】
下列不属于循环型蒸发器的是( )。
单程型蒸发器
中央循环
强制循环
外加热循环
参考答案:
复制
纠错
相关题目
【单选题】 下列不属于循环型蒸发器的是()。
①  单程型蒸发器
②  中央循坏管式
③  强制循坏式蒸发器
④  外加热式蒸发器
【简答题】 蒸发器的温度控制又称为[填空]。
【判断题】 ()在定容加热循环中,当加热量增加,循环热效率增加,循环平均压力增加。
①  正确
②  错误
【单选题】 蒸发器出口处的制冷剂应( )。
①  全部气化
②  部分气化
③  全部液化
【单选题】 直到型循环指的是()。
①  while循环
②  for循环
③  do-while循环
④  if选择
【单选题】 下列不属于循环控制语句的是( )
①  For…Next循环
②  Select Case循环
③  Do…Loop循环
④  For Each…Next循环
【单选题】 压缩机,附属装置(冷凝器、 热交换器、蒸发器)等,以“( )”计量。
① 
② 
【单选题】 下列不属于侵染循环的是:()。
①  侵染程序
②  病原物的传播
③  病原物的越冬
④  病原物的侵染
【单选题】 下列动物的循环系统不属于开放式循环系统?
①  昆虫
②  蜘蛛
③  蜗牛
④  乌贼
【判断题】 制冷系统的四大部件为压缩机、冷凝器、蒸发器、膨胀阀。
①  正确
②  错误
随机题目
【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.
【单选题】 What are the principles for good lesson planning?
①  Aim, variety, flexibility, learnability and linkage
②  Aim, preparation flexibility and linkage
③  Aim, micro-planning, macro-planning and flexibility
④  Aim, micro-planning, macro-planning and variety.
【单选题】 What is the function of optional activities?
①  Backups in case the lesson goes too fast and there are a few minutes left
②  Prepared for good students
③  Prepared for bad students
④  Used for emergency.
【单选题】 What are very commonly used teaching procedures and stages?
①  Presentation, practice and production
②  Pre-reading, while-reading and post-reading
③  Mechanical practice and meaningful practice
④  Both A and B.
【单选题】 What are the guidelines for writing teaching aims in a lesson plan?
①  Clear, brief
②  Specific, students-oriented
③  Specific, teacher-oriented
④  Both A and B.