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【多选题】
焊接支管连接口的补强应符合( ) 规定。A.
当支管道的直径大于或等于1/2 主管道直径时,应采用三通
B.
支管道的直径小于或等于50m时,可不作补强计算
C.
补强的结构型式可采用减少主管道或支管道壁厚
D.
开削弱部分按等面积补强
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皮皮学刷刷变学霸
举一反三
【多选题】The following are some statements about the co-operative principle. ______ are right.
A.
The co-operative principle was proposed by John Austin.
B.
The co-operative principle includes four categories of maxims.
C.
The co-operative principle is prescriptive.
D.
Implicature will arise when co-operative principle and its maxims are flouted.
【单选题】The telephone system is no longer operative.
A.
running
B.
moving
C.
rotating
D.
working
【单选题】When instructing a patient about post-operative exercises, a nurse should tell the patient to_________.
A.
turn every 4 hours
B.
complete leg exercises once daily
C.
repeat individual leg exercises 20 times
D.
perform active range-of-motion exercises to the unaffected extremities
【简答题】最先提出“企业文化”这一概念的是（）
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