材料一：“讲起‘八一’历史长，南昌打响第一枪；工人士兵齐暴动，红军战士最光荣；秋收暴动***，闹得湘东遍地红。”

材料二：图片

C

    There is a big demand (需求) for English teachers in China. The country develops at a high speed, so it needs lots of volunteers who can teach primary school students conversational (对话的) English skills in China. Global Crossroad is mainly connected with several Chinese public schools. And most of them are in the countryside. Non-native English speakers are also invited to join this project.

    With the growth of the country's economy, the demand for English education in China is growing. As China continues to be a global business country, the importance of English education is increasing as well. Many public schools in China have an "English Comer", which is a place of the classroom designed (设计) and set aside for teaching and learning English. These schools are in need of international teachers to teach English.

    Most schools in the countryside in China are searching for good English teachers. Your time and efforts are so important in improving these students' English skills and helping them get more equal (平等的) chances to work in the future.

下列函数关系中，可以看着是指数型函数y=ka^x（k∈R，a＞0且a≠1）模型的是（　　）

如图，△ABC是⊙O的内接三角形，AB为直径，过点B的切线与AC的延长线交于点D，E是BD中点，连接CE．

乞____        渡____        绕____        偷____

气____        度____        晓____        喻____