减少“白色污染”我们应该自觉不用和少用？（）
A.白色的纸袋
B.白色的布袋
C.白色的垃圾桶
D.难降解的塑料袋
参考答案：D
以下表现中不属于晚期梅毒表现的是（）
A.结节性梅毒疹
B.红斑糜烂性梅毒疹
C.近关节结节
D.树胶肿
E.马鞍鼻
The initial tunnels were just ___________ the surface of the ground. People were transported in carriages, which were ___________ the narrow tunnels by steam engines.
A．under, broken through
B．below, put through
C．of , gone through
D．beneath, pulled through
