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【单选题】
下列关于荷载代表值的规定正确 ( )?A.
永久荷载和可变荷载均应采用荷载的标准值、组合值、频或准永久值作为代表值
B.
永久荷载应采用标准值、组合值，可变荷载应采用组合值、频或准永久值作为代表值
C.
永久荷载应采用标准值、频，可变荷载应采用标准值，组合值或准永久值作为代表值
D.
永久荷载应采用标准值，可变荷载应采用标准值、组合值、频或准永久值作为代表值
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【简答题】A freight forwarder is also called（ ）．
【简答题】A freight forwarder is also called（ ）．
【简答题】In a database, columns are also called ________, rows are also called ________
【单选题】Paifang, also called pailou is an archway usually made of wood and stone, well painted and with glazed tiles sometimes, and it has many different functions except for ____________.
A.
commemorating historical event
B.
commending the persons with a high moral quality
C.
celebrating the important festival
D.
honoring the persons with the remarkable achievements
【单选题】( )Summer Resort is also called 'Mountain Hamlet for Escaping the Heat'.
A.
Beidaihe
B.
Chengde
C.
Beijing
D.
Hangzhou
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