没有供热的小区庭院天然气管道敷设时宜采用()。
A.钢骨架PE管
B.PE管
C.螺旋缝钢管
D.铸铁管
参考答案:B
异型淋巴细胞增高大于10%的疾病是()
A.急性淋巴细胞性白血病
B.传染性单核细胞增多症
C.急性淋巴结炎
D.幼年类风湿
E.立克次体感染
What are the plans of Wal-mart in China().
A. To buy the retail stores of Trust-Mart.
B. To allow the presence of labor unions into Wal-Mart.
C. To become the biggest food and department store network.
D. All except c.