[填空题]林木个体发育要经过（）、（）、（）、老年期四个阶段。

[多选题]地面基层表面常见的观感质量缺陷包括。(多选)( )
A.空鼓
B.裂纹
C.脱皮
D.麻面
E.起砂

[单项选择]某变电所的500kV户外配电装置中选用了2×LGJT-1400双分裂软导线，其中一间隔的架空双分裂软导线跨距长63m，临界接触区次档距长16m，此跨距中架空导线的间隔棒间距不可选多少？（）
A. 16m
B. 20m
C. 25m
D. 30m

[填空题]
{{B}}How to approach Listening Test Part Two{{/B}}
· In this part of the Listening Test you listen to five short monologues, spoken by five different speakers.
· There are two tasks for each of the five monologues. For each task you must choose one out of eight options.
· You can either do one task the first time you listen and the other task the second time, or deal with the two tasks for each monologue together.
· Within each monologue, the information for each of the two tasks may come in either order.
· Listen for overall meaning. Do not choose an answer iust because you hear the same words in the recording as in the question.
· Check you have not used the same option more than once within each task.
· You will hear five different people talking about a meeting they have attended.
· For each extract there are two tasks. For Task One, choose the topic to be discussed at the meeting from the list A - H. For Task Two, choose the spea

[判断题]《高层民用建筑设计防火规范》规定，设有火灾自动报警系统和机械防烟、排烟设施的高层建筑应设置消防控制室。

[多选题]从业人员必须掌握的消防知识“四懂四会”中四会是（ ）。
A.会报警
B.会使用消防器材
C.会扑救初期火灾

[单选题]居民区10kV导线与地面或水面的最小距离为 （ ） 。
A.A、5米、
B.B、5.5米、
C.C、6米、
D.D、6.5米

[多选题]离心泵振动大的原因有( )。
A.泵轴与原动机轴对中偏心过大
B.泵周磨损严重,间隙过大
C.流量大
D.泵抽空

[多项选择]为了使购物活动圆满，地陪必须( )。
A. 严格按旅行社的规定提供服务
B. 了解对象，因势利导
C. 尽量向游客推销商品
D. 当好购物参谋
E. 把购物活动安排在前往景点的途中顺便进行，不能作专门的安排

[名词解释]直接收购

[判断题]439.衬胶管道支架间距应比一般碳钢管道加长20%~30%，并在衬胶阀附近设支架。
A.正确
B.错误

[多项选择]Part 1: Self-introduction
·The interlocutor will ask you and your partner questions about yourselves. You may be asked about things like "your hometown ", "Your interests ", "your interests ", ’’your career plans ", etc.
Part 2: Presentation
·The interlocutor gives you two photographs and asks you to talk about them for about one minute. The examiner then asks your partner a question about your photographs and your partner responds briefly. Then the interlocutor gives your partner two photographs. Your partner talks about these pictures for about one minute. This time the interlocutor asks you a question about your partner’s photographs and you respond briefly.
Part 3: Collaboration
·The interlocutor gives you andyour partner a list of topics. Both of you need to choose one to discuss together. The interlocutor may join in the conversation and ask you questions, but you and your p