2001年亚太经合组织领导人非正式会议的主题除了“新世纪、新挑战:参与、合作”外,还有( ) A.共同发展 B
在如图所示的几何体中,其三视图中有矩形的是.(写出所有正确答案的序号)
已知抛物线①经过点A(-1,0)、B(4,5)、C(0,-3),其对称轴与直线BC交于点P。 (1)求抛物线①的表达式及点P的坐标; (2)将抛物线①向右平移1个单
汽车尾气排放出的气体主要有NO和NO2,它们污染环境,可用氨气(NH3)除去。 反应的化学方程式为:2NH3 + NO + NO2催化剂 2N2 +3H2O。若反应后得到56g N2,理论 上消耗
My name is Bill. I have a friend called Mike. Today is Mike's birthday. I'm at his birthday party. There are a lot of friends in his house. Some stand beside the table and enjoy the snacks a
今年寒假你们都过得怎样? 相信一定很精彩, 请先把下面的题目补充完整, 然后描述自己的一天 ,80词左右. (可填的词如happy, busy, unforgettable, 等等)
His father feels like ________a walk after dinner while his mother would like ______TV at home. A. taking; watching B. to take; to watch C. taking; to watch D. to take; watching