对肺炎球菌有诊断价值的是()
A．翠绿色痰
B．乳白色痰
C．红棕色胶冻样痰
D．棕黄色痰
E．铁锈色痰
参考答案：E
As is known to all ,Xi’an was starting point of world – famous Silk Road.
A．/; /
B．a; a
C．the; /
D．the; the
影响软熔带形状的实质是矿石的（）和软化温度区间。
