根据合同法律制度的规定，下列各项中，属于无效格式条款的有（）。
A.有两种以上解释的格式条款
B.恶意串通损害国家利益的格式条款
C.损害社会公共利益的格式条款
D.违反法律强制性规定的格式条款
E.提供格式条款一方加重对方责任的格式条款
参考答案：B, C, D, E
解析：对格式条款有两种以上解释的，应当做出不利于提供格式条款一方的解释，并不会导致格式条款无效。
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| Once there was a father and a son. They were ill-tempered (坏脾气的) and never gave way to 1 . One day the father 2 to ask some friends to dinner in his house. He 3 his son to buy some meat in town. When the son walked towards the town gate, a man was coming from the outside. The gate wasn't 4 enough to let two men in and out at the same time. But neither of 5 would give way to the other. They stood straight face to face inside the gate hour after hour. But the father was worried. "What shall I do? My son hasn't 6 yet. I can't wait any more." He wanted to know what was the 7 with his son. So he left his friends at home,and went to town 8 his son. "You may first take the 9 home for my friends. Let me 10 here against him instead." he said to his son when he knew what had happened. | ||||
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