如表所示为某小组同学在探究“光对鼠妇分布的影响”的实验记录，请你分析并回答相关问题：环境时间（分钟）234567891011明亮432010．1210阴暗6781091098910_刷题宝

题干

如表所示为某小组同学在探究“光对鼠妇分布的影响”的实验记录，请你分析并回答相关问题：

环境

时间（分钟）

2

3

4

5

6

7

8

9

10

11

明亮

4

3

2

0

1

0．

1

2

1

0

阴暗

6

7

8

10

9

10

9

8

9

10

上一题下一题 0.0难度选择题更新时间:2018-03-23 08:01:17

答案(点此获取答案解析）

同类题1

小王骑自行车的速度约为300m/min；“亚洲飞人”刘翔在男子110m跨栏比赛中以10秒97的成绩打破世界纪录；一列普通火车的速度约为150Km/h，他们的速度大小关系是（　　）

同类题2

α \in R, sin α + 2 cos α = \frac{\sqrt{10}}{2}

tan α =

同类题3

根据表格内容，选择正确答案。

	(a)This is Mariah Carey. She is a singer. She was born in 1970. Her birthday is March twenty-seventh. She likes singing.
	(b)This is Lee Young Ah. She was born in 1971. Her birthday is January thirty-first. She is a great（著名的）movie star. She likes acting.
	(c)She is ZhangYining. She's a sports star. She was born in Beijing in 1981. Her birthday is October fifth. She likes singing.
	(d)Do you know Bill Gates？He was born in 1955. His birthday is October twenty-eighth. He likes playing golf (高尔夫球).
	(e)This is Li Lianjie. He was born in Beijing in 1963. His birthday is April twenty-sixth. He is a great actor. He likes reading.

同类题4

张萌和小平两人打算各用一张正方形的纸片ABCD折出一个等边三角形，两人作法如下：张萌：如图1，将纸片对折得到折痕EF，沿点B翻折纸片，使点A落在EF上的点M处，连接CM，△BCM即为所求；小平：如图2，将纸片对折得到折痕EF，沿点B翻折纸片，使点C落在EF上的点M处，连接BM，△BCM即为所求，对于两人的作法，下列判断正确的是（　　）

同类题5

如图，在▱ABCD中，已知AD=5cm，AB=3cm，AE平分∠BAD交BC边于点E，则EC等于（）

小学学科试题库

初中学科试题库

高中学科试题库