科目名称：理工英语3
试卷号：11377
题型：单选题
题目：What else does the material need to be done?
选项：A. They still need to be water-proofed. B. They still need to be sun-proofed. C. They still need to be weather-proofed.
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答案：C. They still need to be weather-proofed.
