疲劳骨折多发生于()
A．第二、三跖骨
B．腓骨上l/3骨干
C．尺骨
D．桡骨
E．肱骨上1/3
参考答案：A
Your desk is crowded with too many unnecessary things,including used papers and books.You'd better
________some of them.[ ]
A. remain
B. resist
C. remove
D. renew
BSI法主要通过（）等业务组合来消除外汇风险。
A.货币市场的存借款
B.外汇市场的外汇买卖
C.贴现市场的票据贴现
D.证券市场的证券投资
