【正文】
Unit21 warm up 學(xué)習(xí)目標(biāo) By the end of the class, the students will be able to: ? learn and revise the words related to the topic. ? get the general idea of the text and the writer’ viewpoints. ? 學(xué)習(xí)過(guò)程 課堂活動(dòng) (一) 預(yù)習(xí)交流 .Word bank. (二) 合作探究 Task I. Read Para. 1amp。2 and answer the two questions: 1. What reasons made athletes’ performances improve? 2. How are their performances recently? Talk II. Read and fill in the table. (doping) Task III. Read Para. 7 and find out information about g