四年级科学复习(单元1-单元3)选择题
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Medium
Zoe LH
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
子文把一支汤匙放进一个盛着水的杯里。
哪项是他的观察?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图显示一条曲线。
明威要测量曲线的长度。他会用到以下哪些测量工具?
I. 纸
II. 线
III. 头发
IV. 尺
I 和 II
II 和 III
II 和 IV
III 和 IV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
建华将植物的根分成须根和主根两大类。
建华运用了哪项科学程序技能?
观察
分类
假设
推断
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下图显示测量一支铅笔的情况。哪个位置才能正确地读取铅笔的长度?
W
X
Y
Z
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是测量液体体积的标准工具?
I. 杯子
II. 汤匙
III. 烧杯
IV. 量筒
I 和 III
II 和 IV
I, II 和 III
I, III 和 IV
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
表1是秀丽小时候的身高和体重记录。
根据表1的资料,你可以作出什么结论?
3岁的孩子,体格娇小。
身高和体重能用来测量成长的速度。
7岁的孩子比3岁的孩子高大。
在成长的过程中,身高和体重会增加。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们要好好照顾身体,才能避免长蛀牙。
根据以上说明,哪项做法是正确的?
不喝冷饮
吃了东西后漱口
减少吃东西的次数
每次吃了东西就刷牙
Answer explanation
吃了东西后漱口能避免食物渣滓留在牙齿缝隙,造成蛀牙。
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