单项选择题 We havent received your L/C, though the validity of the L/C has expired, ______ we sent you a cable yesterday reading: LC1417 PLSCABLE EXTENSION SHIPMENT VALIDITY 15/31 MAY RESPECTIVELY LETFOLLOWS. A．result in B．result from C．as a result of D．as a result

未知题型 在制定正常成人肺活量95％参考值范围时，宜采用的界值为A.x±1．96SB.大于X＋1．645S###SXB##

未知题型 提示T管拔除最重要的指征是A．引流管通畅，胆汁颜色正常B．大便颜色正常，食欲好转###SXB##