1983年，有人针对杂志和日历的封面都是美女说：“难道不能用女英雄代替美女吗？为什么不登卓越的工人、农民或在工作中作出特殊贡献的妇女的照片呢？”这一质疑说明改革开放初期

如图，在Rt△ABC中，∠C=90°，D为BC上的一点，AD=BD=2，AB=2$\sqrt{3}$，则AC的长为（　　）

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

    I had a school trip last May Day. We spent ____ first four days in Paris. We had a sightseeing of the city, and we ____ (visitor) some of the famous places ____ the Eiffel Tower and the Louvre. From Paris we traveled down to the south of ____ (French) near Marseilles by boat. We spent ____ (fifth) days there. There we had a lot of ____ (funny). We swam in the sea，and we took a lot of ____ (picture). We also did lots of sports ____ the beach. We went back a week ____ (late) by train. I think the trip was interesting. I like the food best. It was ____ (deliciously).