诊断肺结核最可靠的依据是
A.结核中毒症状及明显的呼吸道局部症状B.胸片:锁骨上下浸润性病灶及空洞形成C.5单位结素试验强阳性D.痰中找到结核菌E.血沉明显增快
参考答案:D
6. _________, I attended the meeting instead of him last week.
A.He was ill
B.His being ill
C.He being ill
D.Him being ill
煤层内,原则上禁止探放水压高于1.5MPa的充水断层水、含水层水及陷落柱水等。()