一次风、（）配比失调易造成循环流化床锅炉床温过高或过低。
A、引风
B、二次风
C、根部风
D、返料风
参考答案：B
Helen plays the violin ________, if not better than, Kate.
A．as well
B．so well
C．as well as
D．so well as
壮热烦渴，口干舌燥，面赤恶热，大汗，脉洪大有力。治当首选（）
A.白虎汤
B.清暑益气汤
C.凉膈散
D.竹叶石膏汤
E.白虎加人参汤
