题目内容
There are 5 _______ in the passage about nanometer(纳米)technology we have just read. Please tell me the general meaning of the first one.
A. persons B. paragraphs C. articles D. units
B
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题目内容
There are 5 _______ in the passage about nanometer(纳米)technology we have just read. Please tell me the general meaning of the first one.
A. persons B. paragraphs C. articles D. units
B