【简答题】【消耗次数：1】
什么是WBS（work breakdown structures）？
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相关题目
【简答题】
WBS分解的实质意义是什么？
【单选题】
要制定项目的WBS工作分解结构，首先必须：
①
确定项目的主要可交付成果
②
确定项目的每个可交付成果的组成部分
③
估计每个项目可交付成果的成本和使用寿命
④
明确主要任务
【单选题】
Success results ___________ hard work, and hard work results in success.
①
from
②
in
③
by
④
with
【单选题】
The electric fan does not work because of the ____ of service.
①
pause
②
break
③
interruption
④
breakdown
【单选题】
The electric fan does not work because of the _____of service.
①
pause
②
break
③
interruption
④
breakdown
【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 advantage of whole class 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
There is always a great chance of different opinions and contributions to the work
④
It is less stressful.
【单选题】
Which of the following is the time when students work in groups?
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 group
④
When students are expected to work on their own at their own speed.
【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.
随机题目
【单选题】
车速和交通密度间关系描述不正确的是（）
①
当密度很小时，交通量亦小
②
当密度很小时，车速很高
③
随着密度的增加，交通量增加，而车速降低
④
随着密度的增加，交通量和车速也增加
【单选题】
车速和交通密度间关系描述不正确的是（）
①
当密度很小时，交通量亦小，而车速很高
②
当密度很小时，车速亦小，而交通量很高
③
随着密度增加，交通量增加，而车速降低
④
当密度达到最大，交通量与车速都降为零