She will stop showing off if no notice__________of her. A.is taken B.takes C.will be taken D.has taken
---When did you move to Sanya? ---In 2008.But I in Tibet for 8 years. A.has worked B.has been worked C.have been working
已知某溶液中只存在OH一、H+、NH4+、Cl一四种离子,某同学推测其离子浓度大小顺序有如下四种关系: ①c(Cl一)>c(NH4+)> c(H+)> c(OH-) ②
二十世纪,科学家希尔曾做过如图这个实验,有关实验的分析不正确的是( ) A.装置b中气泡内的气体是氧气 B.装置c中无气泡产生是因为缺乏二氧
广东某地推行“参与式预算”的新做法,即由基层人大代表负责组织,人大代表和群众代表参与对政府部门预算编制和预算执行情况进行民主恳谈,从
(8分)为了测定一根轻弹簧压缩到最短时具有的弹性势能的大小,可以将弹簧固定在一带有凹槽轨道的一端,并将轨道固定在水平桌面边缘上,如图所
About six years ago I was eating lunch in a restaurant in New York City when a woman and a young boy sat down at the next table. I couldn’t help overhearing parts of their conversation. At one point