有抗冻性要求的混凝土必须掺入(),使其具有要求的含气量。 ["抗冻剂","引气剂","早强剂","减水剂"]
参麦注射液不易配用的中药饮片有() ["细辛","白芍","半夏","藜芦","五灵脂"]
将DNA分子一股链上受到损伤的部分切除,并以完整的另一股链为模板,合成切去的部分,这种修复是() ["切除修复","SOS修复","光修复","重组修复","物理修复"]
参麦注射液使用注意事项有() ["孕妇慎用","老人慎用","儿童慎用","过敏慎用","注意监护"]
痫病的临床表现是()。 ["精神痴呆,喃喃自语,哭笑无常","突然昏倒,四肢抽搐,醒后如常","疯狂怒骂,打人毁物,不避亲疏","精神不振,健忘嗜睡","烦躁不安,神昏谵语"]
具有主纳气功能的脏是()。具有司呼吸功能的脏是()。具有主疏泄功能的脏是()。