拟除虫菊酯类重度中毒的典型表现为( )。
A.频繁性四肢抽搐B.畏光、流泪C.头痛D.心悸E.多汗
参考答案:A
解析:[知识点] 复合农药中毒解救注意事项
下列物质中,都属于强电解质的一组是
A.HBr、HCl、BaSO4
B.NH4Cl、CH3COOH、Cu
C.NaOH、CO2、NH3·H2O
D.HClO、Na2S、Ba(OH)2
Five years later, he returned home, his character greatly _________.
A.changed
B.changing
C.having changed
D.was changed