题目内容

There was nothing they could do()

A. but wait
B. except waiting
C. only to wait
D. unless they waited

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光源色温小于3300K时其色表特征为( )。

A. 暖
B. 冷
C. 中间
D. 较冷

账务处理系统中,已经登入账簿中的数据( )。

A. 不可以修改或删除
B. 可以删除
C. 可以增加
D. 可以修改

According to the context, "a mixed blessing" ( Para. 1 ) most probably means ______.

A. living longer and losing more
B. living shorter and getting more
C. having a long life and making great contributions
D. achieving success both in young age and in old age

现行的GB50034-2004《建筑照明设计标准》中,疏散通道的疏散照明照度值,不应低于( )。

A. 1lx
B. 5lx
C. 0.5lx
D. 0.05lx

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