男性，43岁，以昏迷，尿失禁半小时被送入医院。多汗，流涎、血压150/90mmHg，双瞳孔缩小，直径1mm，全身肌肉颤动，双肺可闻及湿性啰音，心率78次/分，律齐，无杂音。患者最可能的诊断是（）

A.一氧化碳中毒

B.有机磷农药中毒

C.安眠药中毒

D.蛛网膜下腔出血

E.癫痫持续状态

Spread spectrum simply means that data is sent in small pieces Over a number of the (46) frequencies available for use at any time in the specified range. Devices using (47) spread spectrum (DSSS) communicate by (48) each byte of data into several parts and sending them concurrently on different (49) . DSSS uses a lot of the available (50) , about 22 megahertz (MHz) .

（49）是（）

A.bits

B.frequencies

C.packets

D.messages