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Y4 SC TEST 7

Authored by Catherine Loh

Science

4th Grade

Used 1+ times

Y4 SC TEST 7
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11 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪项说明是正确的?

吸气时,胸腔变小

呼气时,胸腔变大

吸气时,吸入氧气

呼气时,排出氧气和水蒸气

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

肾脏

膀胱

皮肤

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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排泄

排遗

移动

成长

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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保持不变

时高时低

变得较低

变得较高

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下面哪项显示人类在吸气时,空气所经过的管道是正确的?

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6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

海龟拥有不止一个呼吸器官。在陆地用____来呼吸,在水里用_____来呼吸。

肺、鳃

肺、肛囊

肺、潮湿的皮肤

肺、气孔

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

河马在水里时,总是把头部探出水面。为什么?

河马是用肺呼吸的

河马受不了冰冷的水

水里没有河马所需的食物

河马的耳朵会进水

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