四、阅读加油站
Step 1 Read and fill
同学们来到“声音科学馆”，听完机器人的介绍后，参加关于声音常识的挑战。你也来试试吧。
We can hear sounds with our ears.

Sounds are different. Some sounds make us happy. Some sounds make us afraid.
Sounds are helpful. The clock goes "beep, beep". It can wake us up (唤醒) in the moring.
① We hear sounds with our .
② The sound of makes me happy. The sound of makes me afraid.


A.firecracker
B.song
C.bird
D.tiger
③ The sound of is helpful.

①ears ②B/C; D ③clock

①根据原文第一句"We can hear sounds with our ears."可知答案为ears。②原文提到"Some sounds make us happy. Some sounds make us afraid."，结合选项，song（歌曲）、bird（鸟叫）通常是令人开心的声音，tiger（老虎叫声）通常令人害怕，firecracker（鞭炮声）可能因情境不同，但三年级阶段老虎叫声更符合"害怕"的常见认知。③原文指出"The clock goes 'beep, beep'. It can wake us up in the morning."，说明闹钟声有帮助，题目虽未直接给出闹钟选项，但根据内容可推断此处应填clock。

Step 2 Think and write
同学们在“声音科学馆”体验如何创造声音。请你读一读，想一想你还可以通过什么方式来创造声音，然后仿照例子写一写吧！
We can make sounds!

I can make sounds with my hands.
I can make sounds with my feet.
I can make sounds with water.
I can make sounds with toys.
I can make sounds with .
I can make sounds with .

I can make sounds with my mouth.
I can make sounds with a drum.