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【单选题】
变形缝设置符合现行国家工程建设消防技术标准要求的是()。
A.
变形缝构造基层必须为难燃烧材料
B.
变形缝内不得设置电缆、可燃气体管道。必须穿过时,在穿过处需加设不燃材料制作的套管或采取其他防变形措施,并采用防火封堵材料封堵
C.
变形缝填充材料可以选用难燃材料
D.
当通风、空气调节系统的风管穿越防火分隔处的变形缝时,需检查其两侧是否设置动作温度为280℃的排烟防火阀
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【单选题】听力原文: M: How long have you been working in the laboratory? W: For almost three years, ever since I got my degree. M: Your bachelor' s? W: No, my master's. I didn't try to get a job until I had my mast...
A.
Four years.
B.
Just three years.
C.
Almost three years.
【单选题】Attention,coffee lovers! We have for you,the best coffee machine ______ invented.
A.
ever
B.
already
C.
even
D.
nowadays
【单选题】双代网络图中的虚工作是( ),它起着联系和切断逻辑关系的作用。
A.
同时消耗时间和资源
B.
同时消耗时间和资源并占作业面
C.
仅消耗时间不消耗资源
D.
既不消耗时间和资源也不占作业面
【单选题】双代网络图中的虚工作是( ),它起着联系和切断逻辑关系的作用。
A.
同时消耗时间和资源
B.
同时消耗时间和资源并占作业面
C.
既不消耗时间和资源也不占作业面
D.
仅消耗时间不消耗资源
【单选题】听力原文:M: How long have you been working in the laboratory? W: For almost three years, ever since I got my degree. M: Your bachelor's? W: No, my master's. I didn't try to get a job until I had my master...
A.
Four years.
B.
Just three years.
C.
Almost three years.
【单选题】以下不属于发动机过热的危害的是()。
A.
零件强度降低
B.
散热损失增加
C.
机油粘度下降甚至变质
D.
零件磨损加剧
【单选题】—Have you decided where to go for your summer vacation? —Not __________. We may go to Qingdao.
A.
ever               
B.
already                
C.
yet
【单选题】—Have you finished your homework _____? —Not _____. I'll need another hour. [     ]
A.
already; already
B.
 ever; already
C.
 yet; already
D.
 yet; yet
【单选题】Jenny,have you ever seen a moving scene ______ many people rushed a stranger getting a heart attack to hospital?
A.
where
B.
when
C.
which
D.
why
【多选题】粉喷桩的项目特征包括
A.
空桩长度
B.
桩长
C.
桩径粉体种类
D.
掺量
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