6年级科学
Quiz
•
Education, Special Education
•
6th Grade
•
Practice Problem
•
Hard
Jessie cheng
Used 10+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
1 选择正确的答案
以下资料有关人类在呼吸是胸腔和横膈膜的情况
P-横膈膜往下移
Q-胸腔收缩
R-胸腔扩张
S-横膈膜往上移
根据上述的资料,哪些情况与人类在呼气时有关?
P和R
P和S
Q和R
Q和S
2.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
晓丽的闹钟无法正常操作。她需要哪种电源来使闹钟恢复正常操作?
蓄电池
干电池
发电池
太阳电池
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
哪种动物不会在炎热的天气中到泥泞里打滚?
鸭嘴兽
犀牛
河马
水牛
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
图1显示生长在油棕园里的动物。
如果很多老鼠已被鼠药毒死,上述动物将会面临什么情况?
猫头鹰数量增加
猫头鹰将会吃掉昆虫
更多猫头鹰将来到这个油棕园
很多猫头鹰将搬到其他的栖息地
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
图2显示一个正在操作的油灯。
哪项是以上的油灯操作时的能的转换?
电能 → 热能 →光能
电能 → 热能 + 光能
化学能 → 热能 + 光能
化学能 → 电能 → 热能 + 光能
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
图5显示植物之间的关系。
如果没有鸟巢蕨,大树会怎样?
无法获取足够的雨水
能把果实传播到远处
没有太大的改变
逐渐枯萎
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
新建想要自制一件雨衣。哪项是他在制作雨衣时最需考量的事项?
材料的弹性
材料的价格
材料的颜色
材料的吸水能力
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