X、Y两种元素的原子,当它们分别得到1个电子,形成与稀有气体原子电子层结构相同的阴离子时,X放出的能量比Y多,可推断( ) A.X的原子序数大于Y
is mentioned above,the number of the students in senior high schools is increasing. A.Which B.As C.That D.
The aircraft was able to fly over the _______(无尽的) white plains without difficulty.
临近9月末,从事国际贸易的小王又开始羡慕自己的朋友,“大家都趁十一长假出去玩了,我却被老板告知要加班。”据相关调查报告,在法定节假日加
____they were hungry and tired, ____they still kept on searching for the missing child. A. Because;so
某班要在一面墙上同时展示数张形状、大小均相同的矩形绘画作品,将这些作品排成一个矩形(作品不完全重合),现需要在每张作品的四个角落都钉上图