— is he doing? — He is his teech. [ ]
A. What, brushing
B. Which, brush
C. What, brush
答案:A
桩基静载试验,测量下沉值的基准梁应两端支承,不受深度影响而产生上拱或下挠。( )
治顽痰咳嗽宜用的中药是
A.百部B.款冬花C.紫菀D.天南星E.桑白皮