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【单选题】
构造柱截面尺寸应不小于()。
A.
120mm×180mm
B.
120mm×240mm
C.
180mm×240mm
D.
240mm×240mm
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B.
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C.
had just finished
D.
am just going to finish
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A.
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【简答题】Bored? Don't know what to do with your time? Get your friends or family together, go to the park or go hiking, do something fun —just don't turn on your TV. The 10th annual TV-Turnoff Week starts on M...
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