口语交流的常用形式有：____、____、____；

根据短文理解, 从A、B、C、D四个选项中选择最佳答案填空。

    Lucy and Lily 1 twins. They are twelve. They 2 a big and nice bedroom. There 3 two beds and two desks in the room. Lucy and Lily like milk and bread, but they 4 tea or meat. You can see some bottles of milk and some bread on 5 desks. But you can't see 6 tea or meat in the room. Lucy and Lily can play 7 football and fly kites. But they can't mend a bike 8 a radio. They are good 9. They 10 very much.

读书除了积累知识外，更重要的是学会思考。你一定在老师的指导下读了不少课外好书或对学过的文章有很深的印象。下面请你做一个简要的读书札记。

书名（文章名）： ____，作者： ____，印象最深的人物： ____。

下列对人类和环境关系的认识中，错误的是(    )

“低碳经济”已成为经济发展的重要模式，实现“低碳经济”的一种策略是节能。下列制备氢气的方法最节能的是（   ）