四合院中北房最大是主人的卧室。两边的房屋时晚辈们住的地方。显示出中国家庭内的等级次序。Houses on the north are the largest ones and ______. Houses on the two flanks are the ____. The arrangement _____ in a family.
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大门口的影壁起到挡住风沙的作用。同时中国人相信它可以挡住不好的事情。所以人们把这面墙装饰的十分漂亮。The screen wall stands behind the gate to _____ wind-blown sand. Chinese believe that the screen wall can also ____ bad luck. Therefore, the all is usually ____.
四合院的精髓就在于一个合字,它将一个家庭的所有成员合在一起和和美美,其乐融融尽享生活的美好。The si he yuan is intended to ______ to enjoy a ____ life together.
列车运行,以( )为主,机车信号为辅。
A. 地面
B. LKJ
C. 灯显
列车运行撞牛,司机( )制动停车。
A. 紧急
B. 常用
C. 立即