布风板上的保护层帅耐火砖,耐火砖屑和()混合成的。
参考答案:石棉灰
—What about your new clothes?
—They are a little expensive, but the cloth _______ well. [ ]
A. is washed
B. washes
C. is washing
D. has been washed
可作哮喘缓解期脾气虚弱的辨证要点的是( )
A.痰稀色白,舌苔白腻B.痰稠色黄,舌红苔黄C.面色苍白,脉细无力D.食少便溏,舌淡脉缓E.面色胱白,腰膝酸软