急性化脓性中耳炎早期最有效的治疗是()
A.抗生素加激素全身应用
B.及早足量抗生素应用
C.抗生素溶液滴耳
D.2%酚甘油滴耳
E.咽鼓管吹动
参考答案:B
The children said ________ they ________ themselves very much. [ ]
A. if, enjoy
B. why enjoyed
C. where, enjoyed
D. that, enjoyed
不同的顾客群对产品价值的期待与对各项成本重视程度是相同的。