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问题
多项选择题
铁件地锚分（）。
A、钢地锚
B、铅地锚
C、铁地锚
D、镍地锚
答案
参考答案：A, C
选择题
— Our holiday cost a lot of money.
— Did it? Well, that doesn't matter _____ you enjoyed yourselves.
A. as long as
B. unless
C. as soon as
D. though
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判断题
不同规格，不同金属和绞向的导线，可以在一个耐张段内连接。（）
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