三、短文填空
阅读下面的短文，根据首字母提示在空白处填入正确的单词。
Our earth is a big (1) p
with different kinds of animals and landscapes. It is (2) h
to thousands of living things. We have a special (3) r
. Let's say hello to it.
Hello, I'm a (4) b
. I sleep during the day and stay awake at night. I make (5) s
, and then listen for the echo. This echo tells me something around me. Humans get the idea and make new things like radar. Radar (6) h
ships see things around them and travel safely. I'm very lucky to be useful to humans.
Hello, I'm a forest. I'm (7) f
of trees. Trees can help keep the air clean and make our earth more beautiful. I can (8) p
oxygen for humans and animals to breathe. I wear different colours in different seasons. You can enjoy beautiful (9) v
all year round here.
By watching and learning from them, it's good for us to be friends with animals and nature. We should respect and (10) c
for them to make our earth a better place to live.
解析：
1. 由“Our earth”及首字母p，可知填planet（行星）。
2. “be home to”为固定搭配，意为“是……的家园”，填home。
3. 结合语境，我们与地球有特殊关系，填relationship（关系）。
4. 根据“sleep during the day and stay awake at night”及“make sounds...listen for the echo”，可知是蝙蝠，填bat。
5. 蝙蝠通过发出声音听回声，填sounds（声音）。
6. 雷达帮助船只看清周围事物，主语Radar是第三人称单数，填helps（帮助）。
7. “be full of”意为“充满”，森林里满是树，填full。
8. 树产生氧气，填produce（产生）。
9. 在森林能欣赏到美景，填views（景色）。
10. 我们应关心它们，填care（关心）。
