路口交通组织的主要内容有:()。
A.路口控制方案
B.路口渠化
C.信号相位设置
D.信号相序与配时方案
E.具体情况具体分析
参考答案:A, B, C, D
While these different forms of greetings and customs might seem strange to you, remember ________ you consider normal probably seems equally strange to others.[ ]
A. that
B. what
C. which
D. when
农药粉尘属于()
A.矿物性粉尘
B.人工合成无机粉尘
C.人工合成有机粉尘
D.混合性粉尘
E.有机粉尘