调整性规范
参考答案:
是通过赋予社会关系参加者以权利并让他们承担义务来调整社会关系的规范。
Don’t defend him any more. It’s obvious that he ______ destroyed the fence of the garden even without apology.
A.accidentally
B.carelessly
C.deliberately
D.clumsily
焊接铝及铝合金时,应用最广泛的焊接方法是()。
A.气焊
B.电阻焊
C.焊条电弧焊
D.氩弧焊