《十万个为什么》 竞答赛·预赛
Quiz
•
Other, Fun, Science
•
4th - 6th Grade
•
Practice Problem
•
Medium
Liai Niu
Used 10+ times
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13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
成年人体内的水分差不多占体重的( )?
四分之一
四分之三
三分之一
三分之二
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们在滑冰的时候,脚下的冰会因为冰刀的( )融化?
压力
重量
阻力
锋利
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪种物体( )可阻挡可燃物与空气中的氧气接触。
风
细菌
水
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
《十万个为什么》的作家米·伊林是哪个国家的人?
法国
英国
俄国
前苏联
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
黄磷是一种温度达到( )就能着火的物质。
90摄氏度
60摄氏度
50摄氏度
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面属于无法燃烧的惰性气体是( )。
空气
水蒸气
氦气
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
人是从( )时候开始有经常洗澡的习惯?
十五十六世纪
十六十七世纪
十七十八世纪
十四十五世纪
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