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五年级科学:热(二)

Authored by LAW SENG AI

Science

5th Grade

Used 24+ times

五年级科学:热(二)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

哪一个视线位置是正确的?

A

B

C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

哪一个视线位置是正确的?

A

B

C

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

根据图中所示,选择十分钟内温度的变化形式。

下降

上升

保持不变

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

要怎么做才能拧开瓶盖?

把瓶子整个放进热水里浸泡一阵子

把瓶盖放入热水中浸泡一阵子

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

为什么火车铁轨衔接的地方要留有空隙?

避免冷天铁轨收缩断裂。

避免热天铁轨膨胀后弯曲。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

为什么电线要松弛地悬挂在电杆上?

避免冷天收缩后扯断。

避免热天膨胀后弯曲。

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如何让连个卡在一起的玻璃杯子分开?

把热水倒进X杯子里面

把Y杯子泡在热水里面

把X和Y杯子都泡在杯子里面

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