问题
选择题
Our team won. The score was two ______________ one.[ ]
A. to
B. from
C. in
D. for
答案
答案：A
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Our team won. The score was two ______________ one.[ ]
A. to
B. from
C. in
D. for
答案：A
＝2cm，两点连线与电场方向成60°角，如图所示，问：