【正文】
he price depends on quality.(價格取決于質(zhì)量。) doing:通常在句中作方式狀語。這里的動詞ing形式,可以是一般式,完成式,復(fù)合結(jié)構(gòu)和被動語態(tài)等,表示“(某人)未做,未曾做,未經(jīng)…,未被…”等意思。如: He was lucky 。 he escaped from the burning house without being injured. Do you think we’ll get a seat without having to queue? They went back to the hotel without speaking.Step work: Search for more information by themselves about the enviormental problems in Beijing,China,the world and how to deal with them and what should we do in daily Ss will deliver their speech at the beginning of next class.