问题
单项选择题
病理改变在肾脏，临床表现为膀胱刺激症状，此种情况可能是（ ）
A．肾肿瘤
B．鹿角型肾结石
C．多囊肾
D．泌尿系结核
E．急性肾炎
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
病理改变在肾脏，临床表现为膀胱刺激症状，此种情况可能是（ ）
A．肾肿瘤
B．鹿角型肾结石
C．多囊肾
D．泌尿系结核
E．急性肾炎
参考答案：D
阅读下面短文，然后根据短文内容用方框中所给的词适当形式填空（有两个多余的）。
(生活方式). He goes to bed early (早) and gets up early every day. He likes doing __3__. Every morning, he runs one hour __4__ breakfast. He likes eating __5__ food. He eats lots of vegetables and fruits every day. He never (从不) __6__ he is old. He even (甚至) starts to learn to play computer games. He likes learning __7__ things. My grandfather __8__ likes watching funny movies. __9__ favorite movies are __10__. |
，则该元素的原子序数为 ，该原子核外有 个电子层， 该元素属于 （填“金属”或“非金属”）元素，该元素在化合物中的常见化合价为 。