左心衰竭最早的表现是()。 A.劳力型呼吸困难 B.咯血 C.肝大 D.浮肿 E.紫 发布时间:2017-08-11 06:39 │ 来源:www.tikuol.com 题型:单项选择题 问题: 左心衰竭最早的表现是()。A.劳力型呼吸困难B.咯血C.肝大D.浮肿E.紫绀
题型:单项选择题 Millie has black cat in her home. cat likes playing with her every evening.A.a: AB.the; TheC.a: TheD.the: A 查看答案
题型:单项选择题 It has been announced that candidates _______ remain in their seats until all the papers have been collected.A.canB.willC.mayD.shall 查看答案
题型:单项选择题 四、根据以下资料,回答下列问题。 该年度我国企业的“科学研究与试验发展经费支出”中,用于应用研究的约比用于基础研究的多( )。A.149.5亿元B.210.2亿元C.135.6亿元D.242.1亿元 查看答案