3 hours ago

I love Thursday afternoons because we have a fun class then! It’s biology class, and it’s ____31____ (excite). The classroom is not in any school building—it’s on the roof (屋顶)! Here, we learn new knowledge about nature by looking after our own “mini-farm”. The course is ____32____ important part of our school life.

The course combines (融合) many subjects. Maths helps us work out how much water the plants need. Art also matters. We design beautiful ____33____ (sign) for our green plants. After school, we also learn a lot about nature by ____34____ (we). Biology is like a secret key that opens the door to learning many other subjects.

Our class is ____35____ (give) a small piece of land on the roof. We learn to manage the soil and grow vegetables. Last Thursday, our teacher ____36____ (teach) us how to cut branches (枝杈) and leaves from tomato plants. This helped them to grow more and ____37____ (big) fruit. The work seemed easy, ____38____ it took time to get it right. We tried many times, and ____39____ (final), we made it!

One thing I learn from the course: True knowledge is not just what we remember, but what we can create _____40_____ our own hands.

1.31.

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解析：选exciting。形容词-ing形式，括号 excite 为动词。修饰事物 biology class（事物）用ing形容词exciting，意为 “令人兴奋的”；excited 用来修饰人。

2.32.

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解析：选an。冠词important以元音音素开头，an important part表示 “一个重要部分”，表泛指，填不定冠词 an。

3.33.

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解析：选signs。名词复数，sign“标识，标牌”，前面没有单数限定词；结合语境，设计多个标牌，用复数 signs。

4.34.

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解析：选ourselves。反身代词，固定搭配 by oneself“独自，靠自己”，主语 we，对应的反身代词为 ourselves。

5.35.

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解析：选given。被动语态，主语 our class 和 give 之间是被动关系 “班级被给予一小块土地”；is + 过去分词构成一般现在时被动语态，give 过去分词 given。

6.36.

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解析：选taught。动词过去式，时间状语 Last Thursday（上周四）为过去时间，谓语动词用一般过去时；teach 过去式 taught。

7.37.

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解析：选bigger。形容词比较级，and 连接并列比较级，前面是 more，故 big 变为比较级 bigger，more and bigger fruit 更多更大的果实。

8.38.

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解析：选but。连词，句意：这份工作看似简单，但是做好要花时间。前后语义转折，填转折连词 but。

9.39.

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解析：选finally。副词，括号 final 是形容词，此处修饰整个句子，要用副词作状语，finally 意为 “最终，终于”。

10.40.

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解析：选with。介词，固定搭配 with one’s own hands “用某人自己的双手”，with 表示 “用（工具 / 身体部位）”。