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科学 四年级 topic 2.1 and 2.2

Authored by Jing Mei

Education

4th Grade

科学 四年级 topic 2.1 and 2.2
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40 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

( )是人体进行气体交换的场所。

肺部

胸部

屁股

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

( )的上升和下降可以控制胸腔收缩和扩张。

鼻子

横膈膜

肺部

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

肺部是由许多( )组成的。

肺泡

肺包

气管

肺管

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

吸入进体内的氧气通过( )输送到全身。

血液

汗液

尿液

气管

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

( )是胸腔在固定时间内收缩和扩张的次数。

呼吸

小便

呼吸率

排泄

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

激烈的活动会使我们的呼吸率( )

减低

提高

不高不低

保持不变

Answer explanation

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7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

平稳 / 不需体力活的活动会让我们呼吸率( )

保持不变

提高

没有呼吸

下降

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