This is one of the experiments________ in our laboratory.A．b
4个回答

C is introducing a future activity/project 介绍新项目,"that we are going to do" 的含义/缩写 >

This is one of the experiments to do in our laboratory (later on,some time in the near future) .

其他的都不可以用因为语法上有错误,根本没有这样的说法.标准英语中只有 do/perform/conduct/ carry out an experiment,没有 make experiment/have experiment.

This is how she did it 选C 用 A/B/D 的单词只能说：

This is what she did

This is the reason (why) she did it

It is a strange thing that she should do this

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