铺草皮、勾缝、抹面均属于坡面防护。
参考答案：对
They _____ in Shanghai since 1998. [ ]
A. live
B. lived
C. have lived
D. had lived
关于丹毒，下列哪项是恰当的
A．病变边缘与正常皮肤不清楚
B．是急性网状淋巴管炎
C．是急性管状淋巴管炎
D．多为金黄色葡萄球菌感染
E．常有组织化脓
