影响一国汇率变动的因素有（）。
A.政府的市场干预
B.通货膨胀因素
C.国际收支状况
D.利率水平
E.资本流动
参考答案：A, B, C, D, E
“We have sent out two best players to the sports meet. What about you？” “Well, not yet. We have few ______, I’d say.”
A．chosen
B．to choose
C．to be chosen
D．to choose from
肝脏手术麻醉应禁用下列哪种吸入麻醉药（）
A.氟烷
B.恩氟烷
C.异氟烷
D.七氟烷
E.地氟烷
