单项选择题 中度吞咽困难是指( ) A．除特别难吞咽的食物外，三餐均可经口腔摄取 B．完全口腔进食，需辅以代偿和适度手段 C．无法经口腔进食 D．经口腔和辅助混合进食 E．完全口腔进食，无需代偿和适度手段

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##