J2_s生活中的水
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Medium
W.Y. Tan
Used 43+ times
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18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下关于水的重要性,描述不正确的是___。
水是组成生物体的主要物质
植物需要水进行光合作用
地球上最早的生命源自于水中
人体内含水量过多时会造成脱水
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
关于纯水的性质,下列说法正确的是____。
温室下的纯水为气态
纯水无色、无气味、无味道
高山上,水的沸点为100℃
将温度讲到0℃,纯水一定变为固态
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
荷叶上,水滴会呈球形的主要原因是水滴____。
受到重力的作用
表面张力的作用
本来就是球形的
受到荷叶的支持力
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列现象中,属于毛细现象的是_____。
注射器将药物吸入
水黾能在水面上行走
纸巾能吸干桌面上的水
洗净的衣服能在太阳底下被晒干
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
无水氯化钴中滴入几滴水后的颜色变化是____。
白色变蓝色
白色变红色
蓝色变红色
红色变白色
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在水循环中,大气水主要来源于____。
河流
湖泊
海洋
地下水
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
绿色植物通过____参与生物圈的水循环。
光合作用
呼吸作用
蒸腾作用
消化作用
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