（），拔剑击柱长叹息。（鲍照《拟行路难》）
参考答案：对案不能食
His glasses, ____ he could see nothing, fell on the ground and broke. [ ]
A. without which
B. with which
C. for which
D. by which
______不属于SCM(Supply Chain Management，供应链管理)的核心内容。
A．商流 B．物流 C．资金流 D．信息流
