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四年级科学

Authored by LEE Moe

Science

6th Grade

Used 558+ times

四年级科学
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

我们吸气时,横膈膜会____,胸腔会____。

往下移,扩张

往下移,收缩

往上移,扩张

往上移,收缩

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

哪个器官能排泄汗液?

A

B

C

D

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

以下都是人类主要的呼吸器官,除了

鼻子

气管

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

以下都是肺的排泄物,除了(答案可超过一个)

尿液

二氧化碳

水分

粪便

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

吸气时,进入肺里的空气含有较多的____。

水分

氧气

一氧化碳

二氧化碳

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

____可将多余的水分,尿素和矿物盐通过排泄过程排出体外。

皮肤

心脏

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

______是把汗液、尿素、二氧化碳和多余的水分排出体外的过程。

移动

呼吸

排遗

排泄

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