“要求幼儿认识国旗、国徽”,这属于幼儿园教育目标层次中的() ["远期目标","中期目标","近期目标","活动目标"]
先天性肠旋转不良,下列哪项描述是错误的() ["发生于胚胎10~11周","回盲部位于左上腹","可发生肠扭转","呕吐物可不带胆汁","病情可暂好转"]
“财务费用”项目
用固体吸收剂管采样时,湿度增大,最大采样体积的变化是() ["呈正比增大","呈指数增大","不确定","不变","减小"]
通过抑制细菌细胞壁的合成而产生抗菌活性的药物有() ["青霉素钠","氯霉素","头孢羟氨苄","泰利霉素","氨曲南"]
什么叫电路?电路由哪几部分组成?