CD驱动器由哪两个部分组成？
参考答案：
CD-I光盘和CD译码器。
—Nowadays the doctors are trying their best to reduce the people’s fear__________ they would be affected by the present disease called “Bird Flu （禽流感）”.
A．whether
B．which
C．that
D．when
蜘蛛痣罕见于下列哪个部位
A．面颊部B．手背C．前胸D．上臂E．下肢
