血栓性血小板减少性紫癜的典型临床症状有（）
A.发热
B.血小板减少
C.溶血性贫血
D.意识障碍
E.以上均是
参考答案：E
She bought eggs yesterday, but there were them broken．
A．two scores of ; scores of
B．scores of; two scores of
C．scores of; two score of
D．score of; two scores
有关硬膜外腔负压的叙述，哪项错误（）
A.颈部和胸部最高，约为98%
B.腰部为88.3%
C.腰部负压可能是由胸膜腔传导过来
D.胸部为-2～-9cmH2O
E.骶管不出现负压
