On the morning of _____(四月)29,2008, from 10:00 to 11:00, 76___________millions of students from primary, middle schools and u 77___________all over China joined ____ a national s
2.给出下列四个命题:(1)若、是异面直线,则必存在唯一的一个平面同时平行、;(2)若、是异面直线,则必存在唯一的一个平面同时垂直、;(3)
—Do you like to buy the product an advertisement ______ on TV? —Not really.I think it's better to look before we leap. A.advises B.suggests C.announces D.praises
某化学兴趣小组在课外活动中,对某溶液进行了多次检测,其中的三次检测结果如下表所示,请回答: 检测次数溶液中检测出的溶质 第一次KCl、K2SO4
1927年8月7日中共中央在汉口紧急召开“八七会议”,下列关于“八七会议”的叙述,错误的是 A.纠正了陈独秀的右倾错误 B.确定开展土地革命
I stopped to watch my little girl busy playing in her room. In one hand was a plastic 21 ; in the other a toy broom. I listened as she was speaking to her make-believe little friend and I
人体的结构与功能是相适应的,有关这一结论的下列例证中,不正确的是( ) A.小肠的内表面有许多环形皱襞,皱襞上有许多小肠绒毛,适宜消化
阅读下面语段,按要求回答问题: 华盛顿国立气象研究所的墙上有这么一句话:“当我们做对了,没有人会记得;当我们做错了,没有人会忘记。”