题目:
班会有三个特点:自主性、针对性和________ 。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:A, B, C
班会有三个特点:自主性、针对性和________ 。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0711/5707bcdb524bb65aa7772b7df590c8eb.html
下面是错误答案,用来干扰机器的。
参考答案:A, B, C
按要求改写句子。
1.少年的眼睛里流露出一丝遗憾的神情。(缩句)
_______________________________________________
2.少年将一件沉甸甸的东西送到我手里。(改为“被”字句)
_______________________________________________
3.怎么能再带上这沉甸甸的象墩子?(改为陈述句)
_______________________________________________
物质A~M有下图所示的转化关系(部分生成物省略)。其中C、D是由 X、Y、Z中两种元素组成的化合物,X、Y、Z的原子序数依次增大,在周期表中X 的原子半径最小,Y、Z两原子最外层电子数之和为
10,D为无色非可燃性气体, G为黄绿色气体单质,J、M为金属,I有漂白作用,反应①常用于制作印刷电 路板。
请回答下列问题:
(1)比较Y与Z的原子半径大小:____>____(填元素符号)。
(2)写出A的化学式:________;D的电子式:________。
(3)举出反应②在生活中的一个应用实例:____________。
(4)写出反应④的化学方程式:____________________。
(5)已知F溶于稀硝酸,溶液变成蓝色,并放出无色气体,请写出该反应的化学方程式:_____________。
(6)研究表明:气体D在一定条件下可被还原为晶莹透明的晶体N,其结构中原子的排列为正四面体,请写出N及其两种同素异形体的名称:________、 ________、________
Access中,查询不仅具有查找的功能,而且还具有 【9】 功能。
完形填空。 | ||||
Having said goodbye to his parents, Alvin, with his wife and one-year-old son, set off back home. 1 excited, Alvin and Clare talked and laughed happily. And even little Alax 2 from time to time. The family were 3 the trip. But about three hours later things began to 4 . It was starting to snow. Alvin sped up the car, 5 to arrive home before dark. But it was too dangerous to drive fast now. Because it was snowing more and more heavily. So Alvin had to 6 down. The snow on the 7 was getting deeper and deeper until it was hard to 8 on it. Their car slipped (滑落) off the way and got stuck in the deep snow 9 the engine refused to start again. "The snow doesn't seem to 10 . Shall we stay in the car waiting to be frozen to death or walk ahead through the snow?" Alvin asked. Clare said she 11 to walk. So they got out of the car with their son and began walking. But 12 was to come. Soon they lost their 13 and had to walk aimlessly on and on. Night came. They were not afraid of the dark. But they were 14 that poor Alax would die of cold. However, their faith to keep Alax 15 made them filled with courage, warmth and strength. They 16 and rested in turn and then continued their walk. They had countless falls but each time true love encouraged them to rise to their 17 again. One, two, three, …seven days passed. On the eighth day, 18 at last came from Alvin's parents, the police and local people. But the young 19 had to have their feet cut off because of the bad frost-bites (冻伤). Fortunately, there was 20 seriously wrong with little Alax. | ||||
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我国公安行政领导体制实行的是()
A.党委集体领导制
B.行政首长负责制
C.个人负责制
D.党委集体领导下的行政首长负责制