下列选项中不属于砖混结构墙身加固的构造措施是()。 ["增加砖和砂浆的强度","增加壁柱和门垛","设置圈梁","设置构造柱"]
可以降低胶块的黏度,并可促进浓缩收胶时气泡逸散的是() ["A.冰糖","B.豆油","C.黄酒","D.明矾","E.盐酸"]
雌二醇与三氯化铁试液反应显色,因为其结构中含有() ["羟基","羧基","C上酚羟基","甲基酮","苯环"]
内雕水晶指甲的制作过程中,指甲表面最高点应在()的1/2处。 ["A、指甲后缘","B、指甲前缘","C、整个甲体","D、指甲甲床"]
可以增加胶剂透明度和硬度的是() ["A.冰糖","B.豆油","C.黄酒","D.明矾","E.盐酸"]
野生植物资源有哪些类型?