岩基灌浆按目的不同,有()、()和()三类。
参考答案:固结灌浆;帷幕灌浆;接触灌浆
The roommates have lived for three years and not once _____with each other.
A.they had quarreled
B.they have quarreled
C.have they quarreled
D.had they quarreled
某男性,25岁,每天上班前,他都反复检查浴室的水龙头是否关上,因此动作迟缓而面临失业。请问哪种神经递质与该疾病有关?()
A.多巴胺
B.去甲肾上腺素
C.乙酰胆碱
D.组胺
E.5-羟色胺