(4) DWhen someone is down,what he wants is our understanding.Don't talk about ourselves too much. These love languages help us to express love.They also make us understand love from others. A.This kind of language uses words to show love.B.Or visit grandparents to t...
B、方程2389292238U→2349090234Th+4224He,是U原子核分裂并只放射出氦原子核的反应过程,属于α衰变.故B正确; C、方程2112H+3113H→4224He+1001n,是轻核的聚变反应.故C错误; D、方程2349090234Th→2349191234Pa+0−1−10e,释放出一个电子,是β衰变的过程.故D错误. ...
43.People say Jim is a"sunshine boy"because he C.A.likes reading B.is a skier C.is always smiling D.likes playing computer games.答案41-43:CDC41题答案:C 考查细节理解题,根据文中的第一行Bob is 17 years old及表格第一、二列Ann:17;Jim:18;Lily:16,可知Lily最年轻,16...
氢2 He 氦 3 Li 锂4 Be 铍5 B 硼6 C 碳7 N 氮8 O 氧9 F 氟10 Ne 氖 11 Na 钠12 Mg 镁13 Al 铝14 Si 硅15 P 磷16 S 硫17 Cl 氯18 Ar 氩 (1)列出的18种元素中,有___种属于金属元素. (2)从原子结构角度看,同一周期元素的原子具有相同的___数.某粒子结构示意图为 ,该粒子所...
商车网燃油公告查询为您提供中国重汽集团济南卡车股份有限公司 ZZ4257W324HE1B 牵引汽车的油耗、及燃油公告查询服务,包括相关参数‘底盘型号:,发动机型号:MC13.54-50。’
型号: K4UHE3D4AA-GFCL 封装: 标准 批号: 22+ 数量: 2000 RoHS: 是 产品种类: 电子元器件 最小工作温度: -30C 最大工作温度: 90C 最小电源电压: 3.5V 最大电源电压: 7.5V 长度: 9.9mm 宽度: 7.1mm 高度: 2.9mm 价格说明 价格:商品在爱采购的展示标价,具体的成交价格可能因商品参加活动等情况发生变...
Linda:I'm veryrelievedto hear that he's much better now . WORDBANK weathern.天气;(某种)处境,状况 under the weather有病;不舒服 flun.流感 pilln.药丸;药片 relievedadj,放心的,宽心的 参考译文 他有点不舒服 琳达:今天早上我没有看到鲍勃。
第一周期 1H 2He 第二周期 3Li 4Be 5B 6C 7N 8O 9F 10Ne 第三周期 11Na 12Mg 14Si 15P 17Cl 18Ar(1)请画出16号元素原子结构示意图 化学反应中该原子比较容易 得到(填“得到”或“失去”)电子变成离子;(2)表示的是 Al3+(填离子符号);(3)地壳中含量最多的元素是 氧元素;(4)上表中第二、三...
Although she was a beautiful woman there was a scar (伤症) that covered nearly the whole right side of her 17. At the meeting the boy was surprised to see other people having a good talk with his mother. But he felt 18 for his mother’s face and sat in a chair 19 his mother. ...
如图是某学生绘制的元素周期表的一部分: 1H氢 2He氦 3Li锂 4Be铍 5B硼 6C炭 7N氮 8O氧 9F氟 10Ne氖 11Na钠 12Mg镁 13Al铝 14Si硅 15P磷 16S硫 17Cl氯 18Ar氩请根据相关信息与知识回答:(1)该表中元素化学性质不活泼的有氖.氩等氖.氩等,(2)请写出原子序数分别为8.13两种