【简答题】【消耗次数：1】
什么是WBS（work breakdown structures）？
参考答案：
复制
纠错
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】
树突状细胞有别于其他APC的特点是
①
刺激活化的T细胞增殖
②
刺激初始T细胞增殖
③
刺激记忆性T细胞增殖
④
刺激活化的CD4+T细胞增殖
⑤
刺激活化的CD8+T细胞增殖
【多选题】
关于 HLA 的特性，下列哪些是正确的 ?
①
HLA I 类分子的β2m为非 HLA 基因编码产物
②
分析亲代与子代的 HLA表型可以进行亲子鉴定
③
HLA 分子与很多疾病相关
④
HLA 分子的肽结合区为肽链的多态性部位
⑤
HLA 分子是引起移植物排斥反应的抗原
【多选题】
关于 CD8+T 细胞介导的细胞免疫，下列哪些是正确的?
①
可因接触非特异性抗原而活化
②
CD3 传递第一信号
③
协同刺激信号为第二信号
④
静息状态的 Tc 即可杀伤靶细胞
⑤
杀伤靶细胞的范围比NK 细胞大