乳癌病人 * * 内陷、 * * 抬高是由于
A．淋巴管堵塞
B．静脉堵塞
C．动脉受侵
D．乳管受侵
E．Cooper韧带受侵
参考答案：D
Johnson bought a new car last week, and _______ doubled that of the old one.
A．which price
B．the price of which
C．its price
D．the price of whose
对套期保值者来说，不属于可控风险的是______/风险。
A．基差 B．资金C．头寸 D．交割
