张华同学做“研究串联电路电流规律”的实验过程中，属于信息获取的环节是_刷题宝

题干

张华同学做“研究串联电路电流规律”的实验过程中，属于信息获取的环节是（）

A：连接电路，观察并记录电表读数

B：计算结果

C：总结规律

D：填写实验报告

上一题下一题 0.0难度选择题更新时间:2019-03-13 10:57:44

答案(点此获取答案解析）

A

同类题1

如图，正五边形ABCDE内接于⊙O，若⊙O的半径为5，则

\hat{A B}

的长度为（）

同类题2

下列组合正确的是：（）

同类题3

轮船从河的上游A地开往河的下游B地的速度为v₁,从河的下游B地返回河的上游A地的速度为v₂,则轮船在A、B两地间往返一次的平均速度为( )

同类题4

My dear friend．
    I'm on vacation on an island(岛)in Greece．I arrived on Saturday morning．I stay in a hotel and it has a pool．The island is beautiful．It is hot and sunny here every day．
    Yesterday ,I went to the beach early in the morning．I took a long swim and then I sunbath(沐目光浴)．Next．I had lunch at a small restaurant near the beach．I met some boys from Romania at the restaurant．They were all very friendly．After lunch we played volleyball on the beach．
    This morning, I went to Delos．After that I went shopping and I bought you a nice gift．I'm sure you'll like it．
    See you when I get home．
    Love；
    Helen

Mr. James
Hook
1128 West
Fourth
Avenue
New York
NY10003
USA

根据材料内容选择最佳答案。

同类题5

如图，四边形ABCD的对角线AC、BD相交于点O，分别作BE⊥AC于E，DF⊥AC于F，已知OE=OF，CE=AF．

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