绝经前或闭经5年以内,乳腺癌患者内分泌治疗宜选用()A.己烯雌酚 B.泼尼松 C.绒 发布时间:2017-06-12 19:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 绝经前或闭经5年以内,乳腺癌患者内分泌治疗宜选用()A.己烯雌酚B.泼尼松C.绒毛膜促性腺激素D.卵巢切除术E.促肾上腺皮质激素
题型:单项选择题 Little ____ that we were watching his every move, so he seemed to be going his own way in this business.[ ]A. he realized B. he didn't realize C. didn't he realize D. did he realize 查看答案
题型:单项选择题 当一平面简谐机械波在弹性媒质中传播时,下述结论正确的是( )。A.媒质质元的振动动能增大时,其弹性势能减小,总机械能守恒B.媒质质元的振动动能和弹性势能都作周期性变化,但二者的位相不相同C.媒质质元的振动动能和弹性势能的位相在任一时刻都相同,但二者的数值不相等D.媒质质元在其平衡位置处弹性势能最大 查看答案