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4c) ( )5. The main idea of the passage is ______. A. we should cut down waste and give up bad habits to save the earth B. removing chewing gum is really hard work C. rubbish makes our soil, our water and our air dirty D. trucks of rubbish can circle the world five times A ( Grammar Focus4c) ( Grammar Focus4c) ●難點(diǎn)釋疑 ① be thrown out 被扔掉。被動語態(tài)的結(jié)構(gòu)為: be +動詞過去分詞。 如: Rubbish is thrown out everywhere in the park. 公園里垃圾被扔得到處都是。 ( Grammar Focus4c) ② Believe it or not 這其實(shí)是個省略的句子,完整的是 Whether you believe it or not,意思是 “無論 /不管你相不相信 ”或者“信不信由你 ”。如: Believe it or not, I got the first prize in the singing contest. 我獲得了歌唱比賽的第一名,信不信由你。 ( Grammar Focus4c) ③ instead of sth. /doing sth. 代替,而不是。 如: I ride a bike to school instead of taking a car. 我踩單車去學(xué)校而不是坐車。 謝 謝 觀 看 !