问题
选择题
Go __ the second street then turn right.[ ]
A. straight
B. along
C. on
D. for
答案
答案：B
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Go __ the second street then turn right.[ ]
A. straight
B. along
C. on
D. for
答案：B
，
。若混凝土基础和地下室占有的体积为3000m3。（计算结果取整）