―I hope to have a job like ________ in the future, Dad．

―Good, only if you ________ hard from now on．

A．you, will study

B．your, study

C．yours, study

D．yours, will study

诊断急性脓胸最可靠的依据，是（）

A.X线所见胸部致密影

B.高热，胸痛

C.白细胞升高

D.胸穿抽出脓液

E.抗生素治疗有效