物体的平稳性和坚固性

Quiz
•
Science
•
5th Grade
•
Medium
Quan MY
Used 18+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪两项是保持建筑物平稳的因素?
P - 建筑物的高度
Q - 建筑物的颜色
R - 建筑物的底部面积
S - 建筑物的制作材料
P和Q
P和R
Q和S
R和S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么长颈鹿喝水时必须把四条腿张开?
为了节省力气
为了能喝更多水
为了能把颈项伸直
为了使身体保持平稳
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项说明是正确的?
Z 模型是最平稳的
X 模型是最平稳的
X 比 Y 模型稳定,却比Z 模型不稳定
X 比 Z 模型稳定,却比Y 模型不稳定
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示在一艘不平稳的船上站着两个人。
哪个方法能增加船的平稳性?
坐下
保持不动
大声说话
把双手张开
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图3显示一张木凳。哪项是使木凳变得更平稳的方法?
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为了实践绿色生活,美思决定利用再循环的材料来建房子,以下哪项材料最适合来砌成墙?
瓦楞纸
沙爹枝
旧衣物
玻璃瓶
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以上哪个圆柱体是最平稳的?
P
Q
R
S
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