(1)30%x+13=25
30%x=12
x=40(2)x-75%x=25
25%x=25
x=100
The reason why he didn't come to school was ________ he was ill.
A.that
B.how
C.why
D.because
女性患者,25岁,与丈夫争吵后服磷化锌,丈夫发现后将其送往医院救治,病人极度不配合,下列护理不妥的是
A.口服催吐法洗胃B.胃管洗胃法洗胃C.洗胃液可用0.1%硫酸铜液D.洗胃液可用1:15000高锰酸钾液E.以上均可