当今世界各国之间的经济联系愈加紧密。推动这一趋势发展的主要原因有
①跨国公司发挥主要作用    ②科技进步和生产力提高 
③冷战以后局部冲突减少    ④国际经济新秩序的建立

某社区举行了公民政治参与的交流活动，根据下表所列政治现象，我们可以判断 （    ）

①甲通过社情民意反映制度参与民主决策

②乙通过直接选举参与基层民主管理

③丙通过人大代表联系群众制度参与民主监督

④丁通过监督听证会参与民主决策

如图甲,四边形ABCD是等腰梯形,$AB\parallel CD$.由4个这样的等腰梯形可以拼出图乙所示的平行四边形，则四边形ABCD中$\angle A$度数为 (    )

写出仪器的名称：A____ B____ C____ D____．

    It was Sunday yesterday. The weather was fine. It was sunny and there were no clouds in the sky. Sandy and Sue got up early in the morning. Now they were in the park. It is a big park and it's so beautiful. They saw many people there. Some boys played football on the grass. Some girls danced under the tree. An old man walked beside the lake. A young woman and her little son looked at the fish in the lake. How happy they are!