题目内容

Nobody __________ any more to say, the meeting was closed

A .had
B. has had
C. having
D. had had

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Yon can write the paper______ you 1ike

A. whatever
B. however
C. anyway
D. some way

锅炉上装设的安全泄压装置是()

A. 安全阀
B. 易熔塞
C. 防暴片
D. 防暴冒

木材用明火点燃时,最低着火点()℃

A. 135
B. 159
C. 250
D. 300

按照消防的有关规定,()m以上建筑物为高成建筑。

A. 24
B. 30
C. 34
D. 40

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