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【单选题】
根据《房屋建筑与装饰工程工程量计算规范》，关于金属结构工程的工程量计算规则，正确的说法是（ ）。A.
钢天窗架按设计图示规格、数量以樘计算
B.
钢网架按设计图示尺寸的水平投影面积计算
C.
钢梯按设计图示尺寸的水平投影面积计算
D.
栏按设计图示尺寸以面积计算
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【单选题】[6-89]Have the safety belts for ___been examined?
A.
total enclosed lifeboats
B.
totally enclosing lifeboats
C.
totally enclosed lifeboats
D.
total encloseing lifeboats
【单选题】【单选】Have the safety belts for______ been examined?
A.
total enclosed lifeboats
B.
totally enclosing lifeboats
C.
totally enclosed lifeboats
D.
total enclosing lifeboats
【简答题】用JK触发器构成无使能控制的T触发器的等价电路,那么输入端的逻辑 表达式应当为 J= K= 。
【单选题】[6-54]Have the safety belts for ___been examined?全封闭式救生艇的安全带已经检查过了吗?(ABD项表述不对)
A.
total enclosed lifeboats
B.
totally enclosing lifeboats
C.
totally enclosed lifeboats全封闭式救生艇
D.
total encloseing lifeboats
【单选题】safety deposit box 保险箱 Listen to the message on safety deposit boxes. Q: What does the speaker think the bank should have near the safety deposit box?
A.
A security guard.
B.
A police officer.
C.
A security camera.
D.
A bank employee.
【单选题】Have the safety belts for ( ) been examined?
A.
total enclosed lifeboats
B.
totally enclosing lifeboats
C.
totally enclosed lifeboats
D.
total enclosing lifeboats
【单选题】Have the safety belts for _____been examined?
A.
total enclosed lifeboats
B.
totally enclosing lifeboats
C.
totally enclosed lifeboats
D.
total encloseing lifeboats
【简答题】灭火器(..........er)
【单选题】________ the vessel have no safety radiotelegraphy certificate at the time of her delivery，she ________ be held to be unseaworthy．
A.
If／may
B.
Will／shall
C.
Should／would
D.
Would／should
【简答题】灭火器(......er)
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