如图B-1所示是关于弹性形变的三个实验装置,这三个实验共同的物理

如图B-1所示是关于弹性形变的三个实验装置,这三个实验共同的物理思想方法是( )
A.控制变量的方法
B.放大的思想方法 
C.比较的思想方法
D.理想化的思想方法

答案


B
【试题分析】

相关题目

(09南平市)(8分)请根据常见金属性质回答问题:(1)将以下常
(09南平市)(8分)请根据常见金属性质回答问题:(1)将以下常见金属的活动顺序补充完整。金属活动性由强逐渐减弱(2)黄金首饰不易锈蚀的主要原因是 
家用LED台灯常用到砷化镓(GaAs),已知砷化镓中Ga的化合价为+
家用LED台灯常用到砷化镓(GaAs),已知砷化镓中Ga的化合价为+3价,则As的化合价为(    ) A. -2      B. -3     C. -4     D. -5
A monument was set up at the centre of Tian’men Square ______ those who devote
A monument was set up at the centre of Tian’men Square ______ those who devoted their lives to our country. A. in praise of     B. in place of       C. in memory of     D. in need of
She felt sorry that she had disturbed the ____ calmness of a man she respected.
She felt sorry that she had disturbed the ____ calmness of a man she respected. A. seeming                 B. final                         C. usual       
— My mother doesn’t like going shopping in Hong Kong at all. — Well, shopp
— My mother doesn’t like going shopping in Hong Kong at all. — Well, shopping there isn’t liked by _________.A.anybodyB.nobodyC.everybodyD.somebody
两个完全相同的圆柱形容器中,分别盛有质量相等的煤油和
两个完全相同的圆柱形容器中,分别盛有质量相等的煤油和水,如图所示,已知图中液体内M、N两点到容器底部的距离相等,煤油的密度小于水的密
将人体口腔上皮细胞转移至不同浓度(Ⅰ,Ⅱ,Ⅲ)的三种
将人体口腔上皮细胞转移至不同浓度(Ⅰ,Ⅱ,Ⅲ)的三种蔗糖溶液中,结果在Ⅰ中口腔上皮细胞形态不变,在Ⅱ中口腔上皮细胞皱缩,在Ⅲ中口腔上
计算:()﹣2﹣6sin30°﹣()0++|﹣|
计算:()﹣2﹣6sin30°﹣()0++|﹣|

最新题目