服务员要有较好的自然条件，它包括服务员的仪表和举止，还包括服务员的（）。
A.功高
B.体重
C.性格
D.容貌
参考答案：C
We have shoes at very good price, two of sports shoes for only $78.
A．much; pair
B．much; pairs
C．some; pair
D．some; pairs
A client’s chest X-ray reveals bilateral white-outs, indicating adult respiratory distress syndrome (ARDS). This syndrome results from（）
A. cardiogenic pulmonary edema.
B. respiratory alkalosis.
C. increased pulmonary capillary permeability.
D. renal failure.
