
练手测试
Authored by Brisa Lu
Mathematics
7th Grade
Used 1+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
气象部门预测,高度每增加1千米,气温大约下降5℃。现在地面气温是15℃,那么4千米高空的气温是______℃
5
0
-5
-15
2.
MULTIPLE SELECT QUESTION
1 min • 5 pts
NOA最美/酷的人是
CC和噜噜
噜噜和徐帅
CC和徐帅
欧阳老师和徐帅
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列说法正确的是
平方等于它本身的数只有0
立方等于它本身的数只有1,-1
绝对值等于它本身的数是非负数
倒数等于它本身的数有0,1,-1
4.
FILL IN THE BLANK QUESTION
1 min • 5 pts
最大的负整数是__________.
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
一口井深7米,有只蜗牛从井底往上爬,白天爬3米,晚上往下坠2米。问蜗牛几天能从井底爬出?
4天
5天
6天
7天
6.
FILL IN THE BLANK QUESTION
1 min • 5 pts
-20+3-(-5)- |3-Π|
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
湖岸边有许多块石头,现在把石头拿起来,丢进水里,湖水水面会有什么变化
不变
上升
下降
湖面的水变成我的泪
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