阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。Doing experiments is one of the most interesting-组卷网

题型：短文填空-语法填空难度：0.65 引用次数：38 题号：18979528

阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。

Doing experiments is one of the most interesting things about studying chemistry. It’s often teachers 1 do the experiment in front of the class with students watching. However, in our class, we take action by 2 (we).

The 3 (one) time I took a class in my school’s chemistry lab, I was surprised to find that students were wearing special glasses, plastic gloves, as if there had been a bio-chemical attack! 4 (safe) is the most important for science lab classes. The outfit protects us 5 harmful chemical materials.

My chemistry teacher usually gives us the instruction list the night 6 the lab class to let us know a lot about the experiments. During the class, she first goes over the 7 (step) of the experiments and then puts us into groups. What’s special is that for every class, she changes everyone’s partner to let us work with 8 (difference) classmates.

The class is often filled 9 laughs. Once we tried to burn chemicals. The chemicals produced many colors of flames (火焰), including bright orange and dark green. Many students in my class were amazed. “Wow! That’s so fantastic!” they shouted.

After finishing an experiment, we need to write 10 report. It includes the steps, our feelings and the final results. We also have to analyze the mistake if there has been one. The report is really important.

21-22九年级·全国·单元测试查看更多[1]

更新时间：2023-05-06 19:23:34 |

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【推荐1】阅读下面短文，在空白处填入一个恰当的单词或用括号内所给单词的适当形式填空。

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