以下哪项不是输血的禁忌证()
A.充血性心力衰减
B.急性肺水肿
C.恶性高血压
D.严重感染
E.肾功能衰减
参考答案:B
关于环氧树脂的耐蚀性能,下列说法错误的是( )。
A.环氧树脂化学性能很稳定
B.耐碱性比酚醛、聚酯树脂强
C.能耐酸和大部分有机溶剂
D.抗氧化性酸的能力强
Initially his book did not receive much attention, but two weeks after the critic's review appeared in the newspapers, it climbed to the best sellers' list.
A.At first
B.First of all
C.At first sight
D.From the first