下列哪组全部是人体必需氨基酸() ["天门冬氨酸、苯丙氨酸","亮氨酸、赖氨酸","缬氨酸、丙氨酸","蛋氨酸、丝氨酸","丙氨酸、谷氨酸"]
堆载预压时地基土的双面排水的双面是指()。 ["水平面和垂直面","左面和右面","径向面和竖向面","上面和下面"]
出生时不存在,以后逐渐出现并终身存在的反射是() ["握持反射","平衡反射","吸吮反射","吞咽反射","提睾反射"]
下列哪些类别的公共企业事业单位在提供社会公共服务过程中制作、获取的信息的公开,应参照《政府信息公开条例》执行?() ["供电","公共交通","供水","医疗卫生"]
必要氮损失不包括() ["粪代谢氮","尿内源氮","皮肤中排出的氮","毛发及其他途径排出的氮","消化的氮"]
筛分过程分为()和()两个阶段.