材料：2008年10月8日晚，中国人民银行宣布，从10月9日起，下调一年期人民币

心悸伴发热可伴发于（）。

A.主动脉瓣关闭不全

B.甲状腺功能亢进

C.高血压心脏病

D.病态窦房结综合征

E.感染性心内膜炎

请简述现行标准JT/T4-2004规定的板式橡胶支座的检测条件与主要检测项目？

破伤风抗毒素（TAT）过敏试验法的计划

各级党委要坚持把（）建设摆在首位，确保党对部队的绝对领导。

A.思想政治

B.作风纪律

C.廉政

D.能力

Water is (41) important of all the things we (42) and drink. Not many people understand this, (43) it’s quite true. The human body (人体) can go (44) food for a long time, but two (45) three days without water can usually (46) people die.
Many people don’ t understand how much water the human body needs to work well and many people do not drink (47) , even (48) hot weather.
Our body is (49) water, about 65% to 75%, ff we do not have enough water, we’ll (50) tired and many will get ill. So you see, how important water is to us all.

[A] or[B] and[C] in