A:22.4L氧气中一定含有6.02×1023个氧分子
B:18g水在标准状况下的体积是22.4L
C:在标准状况下,20mLNH3与60mLO2所含分子个数比为1﹕3
D:将80gNaOH溶于1L水中,所得溶液中NaOH的物质的量浓度为2mol·L-1
讨论党的十八届四中全会时,某小组同学提出下列看法,你认为哪一组是正确的?( )
①依法治国首先是依宪治国;这里的宪法是1982年宪法,修订过4次
②法治政府的特征有六点
③法律的权威源自法官的公正执法
④坚持人民主体地位、完善党内法规体系,都是实现总目标五大原则的内容
Dear Betty,
I'm your eraser Jill. This afternoon you lost me in your classroom. Simon found me and gave me to your English teacher Ms. Green. Now Ms. Green's three keys and I are in Ms. Green's bag. The bag is yellow. It's on Ms. Green's desk. Please call Ms. Green at 718-0167 and ask her for me. You can come to the library, too. Ms. Green is in the library now.
Jill
在减数分裂中,家兔的初级卵母细胞有22个四分体,则其卵细胞中染色体数为
扬州市委、市政府积极实施跨江融合战略,全面跨江对接,融入苏南、长三角核心区。这主要基于( )