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【简答题】
下列关于人防工程中的避难走道的设置要求说法错误的是( )。 A.避难走道直通地面的出口不应少于2个,并应设置在不同方向 B.避难走道的装修材料燃烧性能等级应为B级 C.防火分区至避难走道人口处应设置前室,前室面积不应小于5m2 D.避难走道应设置消火栓、火灾应急照明、应急广播和消防专线电话 E.通向避难走道的各防火分区人数不等时,避难走道的净宽不应小于设计容纳人数最多一个防火分区通向避难走道各安全出l:1最小净宽之和
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举一反三
【简答题】A.The shopping center is a bit far away. B.He doesnt know how to get to the shopping center. C.The shopping center is just around the corner. D.He only knows one way to the shopping center.
【单选题】毛泽东指出,中国新民主主义革命的首要问题是______。
A.
建立共产党
B.
分清敌我友
C.
建立革命统一战线
D.
开展武装斗争
【单选题】Mental health professional may be surprised to discover how much is happening online today in the healthcare field. Working closely with dozens of online discussions with hundred of others, I believe ...
A.
Internet accessibility.
B.
Therapeutic treatment.
C.
Communities and discussion.
D.
Behavioral healthcare profession.
【判断题】五线谱中只有五条线可以记录音符,四个间不可以记录音符。
A.
正确
B.
错误
【判断题】毛泽东指出,中国新民主主义革命的首要问题是分清敌友。
A.
正确
B.
错误
【单选题】How would you search for templates online?
A.
Template search box
B.
Search for online templates box
C.
Open a blank template box
D.
Create your own template box
【单选题】—______ does your brother go online? —Three times a week. [     ]
A.
How much
B.
How long
C.
How many
D.
How often
【单选题】W: How much time should I spend on online searching for a job? M: Limit your time online to one-quarter of the total time you can dedicate to your job search. Q: What does the man mean?
A.
The woman should spend half of her time searching for a job online.
B.
The woman should spend more than half of her time doing an online job search.
C.
The woman should spend as little time as possible on a job search online.
D.
The woman shouldn’t spend more than 25% of her time on online job search.
【单选题】Which of the following best describes how the writer thinks about teens and online activities?
A.
Supportive.
B.
Objective.
C.
Understandable.
D.
Concerned.
【多选题】金属材料的性能主要有( )。
A.
光泽、强度、导电性、导热性
B.
铸造性,塑性成形性,焊接成形性
C.
抗氧化性、耐腐蚀性
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