【单选题】《建筑工程质量管理条例》规定,装修工程和主体结构工程的最低保修期限分别为()
【单选题】《建筑工程质量管理条例》规定,在正常使用条件下,电气管线、给排水管道、设备安装和装修工程的最低保修期为( )。
【单选题】如图所示是温度自动报警器的原理图,它运用了许多物理知识.以下说法中不正确的是( )
【单选题】From 1732 to 1758, Benjamin Franklin wrote and published his famous ________, the annal collection of proverbs.
B.
Poor Richard’s Almanac
【单选题】From 1732 to 1758, Benjamin Franklin wrote and published his famous _____, an annual collection of proverbs.
B.
B . Poor Richard ’ s Almanac
D.
D . The General Magazine
【简答题】From 1732–1758, Franklin wrote and published his famous _________, an annual collection of proverbs.
【简答题】From 1732 to 1758, Benjamin Franklin wrote and published his famous ____, an annual collection of proverbs.
【单选题】电磁继电器广泛用于各种自动控 制电路中,如图所示是温度自动报警器的原理图,下列说法中错误的是 [ ]
D.
电磁继电器是一种电路开关,它可以用一个电路控制另一个电路。