【正文】
I have an a_________ with my friend at 5。 Betty: I _______ _______ in the city centre with my ______ last week. Tony: Did you have a good time? Betty: Yes, I did, but the________ were are ______ ______ people and there’s not was impossible to __________. Tony: And so many people create so much _________and _________. Lingling: Well, Beijing is a hu ge city. It has ______ _______ ______more than 15,000,00. Betty: Is it the biggest city in China? Tony: No, Chongqing is the biggest. The population of Chongqing _____more than 27,000,000. Betty: Really? That’s a lot of people. 聽課文對話,連線下列問題。 【預習導航】你了解世界人口嗎? 你知道人口問題已成為世界一大難題了嗎? 預習單詞,會讀并聯(lián)想其詞形變化。 1. 北京人口是多少? _______ ________the _________ ________Beijing? 2. 中國的人口大約為 13億。00. 4. He pushed his way through the c_____________. 5. Most of the area has been p_______