非洲大陆的地形主要是（ ）
请你至少写出两个带“履”的成语。
____ ____
阅读下面短文，按照句子于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
It's a Sunday morning. Jack and his father ____ on a big bus. There are many people on it. Some of them come from America and some from England and ____ (Australian). They are all friends. They are going to the Safari Zoo. ____ Chinese are on the bus. One is a man. He is the ____ (drive). He is driving the bus. The other is a young woman. She is good at ____ (speak) English. She is talking ____ the zoo. She says she likes ____ （panda）best. Because they are cute and only ____ in China. All the passengers(乘客)are listening to her. They like the zoo. It ____ them 20 minutes to get there. They want ____ (get) there soon（很快）.
“先看病后付费”制度是卫生部将全面推行的一项医疗保险制度。原来看病自己先垫付，现在是医院垫付，病人看完病只交自己的那部分，其余由医保支付给医院。目前全国已有20多个省份正在进行先行试点。这一制度（ ）
①贯彻了尊重和保障人权的宪法原则 ②体现了国家依法保护公民的政治权利
③印证了我国人民民主的真实性 ④说明了我国人民民主权利不断扩大
