实验室用三只蓄电池串联成蓄电池组，它的电压是_1V．对人体安全的电压为_2V．_刷题宝

题干

实验室用三只蓄电池串联成蓄电池组，它的电压是____V．对人体安全的电压为____V．

上一题下一题 0.0难度选择题更新时间:2019-09-01 10:44:26

答案(点此获取答案解析）

6,不高于36

同类题1

【加试题】有如下程序段，运行后A(10)=（）
Dim a(30) As Integer
a(1) = 1
a(2) = 1
i = 2
Do While i < 10
i = i + 1
a(i) = a(i - 1) + a(i - 2)
Loop

同类题2

已知△ABC在平面直角坐标系中的位置如图所示．将△ABC向右平移6个单位长度，再向下平移6个单位长度得到△A₁B₁C₁．(图中每个小方格边长均为1个单位长度) ．

同类题3

选字填空

工公坐座

____厂 ____共 ____位 ____下

____园 ____人星____ 请____

同类题4

质量相同的两份铝分别和足量的NaOH溶液和稀HCl反

应，相同条件下产生H₂的体积比是

同类题5

根据对话内容从方框中选择能填入空白处的最佳选项补全对话，其中有两项多余．

A：Danny,who is your best Mend?

B：My best friend is Mike．

A：____

B：He is tall and has a round face with short black hair.

A：____

B：He likes playing football and basketball．

A：How long have you been friends?

B：____

A：Is he an ice boy?

B：____

A：Can I make friends with him?

B：____

A：That's great!

A．Of course you can!

B．What's his hobby?

C．Since ten years ago．

D．Where does he come from?

E．Yes,he often helps others．

F．What does he look like?

G．How did you know each other?

小学学科试题库

初中学科试题库

高中学科试题库