下列风管的板材中可采用焊接连接的是( )。 A．普通钢板的厚度大于1.2mm B．

通过急转弯路段时，在车辆较少的情况下可以超车。

什么是“三步走“发展战略？

根据起源和形态的不同，植物的根系可分为直根系和（）两种类型。

According to the speaker, what happened in the U.S. in the 1940s around the time of the Second World War that affected the popularity of the regionalist art

A．The populations of small towns increased rapidly.

B．Art critics in cities began to take notice of regionalism.

C．Some regionalist painters began a new art movement.

D．Society became more internationally focused.

男性患者，68岁，反复咳嗽、咳痰，痰中带血2周。体温38.3℃，白细胞12×10⁹/L，胸片右肺门肿块影，伴远端大片状阴影，抗炎治疗阴影不吸收。

首先考虑的治疗方案是

A．抗炎治疗

B．抗炎止血治疗

C．手术治疗

D．抗结核治疗

E．门诊随访