()是指在现实市场条件下,市场机制经常表现出许多自身不能克服的缺陷,其作用受到阻碍, 发布时间:2017-06-07 04:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: ()是指在现实市场条件下,市场机制经常表现出许多自身不能克服的缺陷,其作用受到阻碍,无法使资源达到最有效配置的状况。A.市场失灵B.市场配置C.市场调节D.市场均衡
题型:单项选择题 根据下面的对话内容,从方框内的选项 (A、B、C、D、E、或F) 中选出最佳选项。Girl: Do you want to go to a movie, Edward? Boy: 1_______ Girl: What kind of movies do you like? Boy: Well, I like comedies because they're funny. And I think thrillers are great. Girl: 2_______Boy: No, documentaries are boring. 3_______Girl: I don't like documentaries, either. And I don't like thrillers-they're scary. Boy: 4_______Girl: Well, I like action movies. Boy: 5_______ Girl: Uh-huh. They're exciting. And I like Beijing Opera, too. It's very interesting. My father and I like it a lot. A. No. Movies are always boring. B. So what kind of movies do you like?C. How about you? D. Yes, that sounds good.E. You do? F. How about documentaries? 查看答案
题型:单项选择题 砷为第四周期第ⅤA族元素,根据砷在元素周期表中的位置推断,下列叙述错误的是A.砷在通常情况下是固体B.可以存在-3、+3、+5等多种化合价C.H3AsO4(砷酸)的酸性比H3PO4(磷酸)弱D.砷的气态氢化物比磷的气态氢化物稳定 查看答案
题型:单项选择题 患者女,45岁,右上第一磨牙近中大面积银汞充填,近中邻间隙食物嵌塞,要求修复为防止戴全冠后食物嵌塞,采取的措施除了()A.恢复正常的邻接关系B.平面与邻牙一致C.加深颊舌沟D.去除该牙的接触E.调磨对充填式牙尖 查看答案
题型:单项选择题 过碘酸-雪夫反应对血液病的诊断意义描述错误的是()。A.幼红细胞染色阳性见于红白血病B.幼红细胞染色阳性见于再生障碍性贫血C.幼红细胞染色阳性见于缺铁性贫血D.戈谢细胞染色阳性E.尼曼-匹克细胞染色阴性 查看答案