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”。 知識點 4 once in a while 偶爾;有時;間或 once in a while的同義短語為 at times, from time to time, 并且和 sometimes意思也相近。 考向 eg: You may play puter games once in a while. 你可以偶爾玩電腦游戲。 知識點 5 harm/hɑ?m/ v.amp。 。損害 do harm to 意為“對 …… 有害處”, 相當(dāng)于 do sb./ sth. harm或 be harmful to sb./ sth.。 eg: Smoking is harmful to our health. = Smoking does harm to our health. 吸煙對我們的健康有害。 eg: We are greatly harmed by the waste. 廢物對我們有極大的害處。 考向一 【 重點 】 考向二 harm作動詞,多用來表示傷害身體或某一部位或精神上受到傷害。 eg: I have never harmed anyone. 我從未傷害過任何人。 Drinking too much does you harm.(改為同義句 ) Drinking too much is__________ ______you. 典例 harmful to 考向三 harm也可作名詞,意為“傷害”。 eg: He came to no harm. 他沒有受到傷害。 知識點 6 not just...but... 不僅 …… 而且 …… not just...but...用來連接兩個主語時,謂語動詞采用“就近原則”。 eg: Not just I but my sister enjoys singing. 不僅我,而且我的姐姐也喜歡唱歌。 eg: Yao Ming is not just tall, but good at playing basketball. 姚明不僅個子高,而且擅長打籃球。 考向 表示“不僅 …… 而且 ……” 還可以用 not only...but also...,它用來連接兩個主語時,謂語動詞也采取“就近原則”。 eg: Not only Tom but also Mary speaks Chinese fluently, so they can municate with these Chinese students very well. 不僅湯姆,而且瑪麗也會講一口流利的漢語, 因此他們可以和這些中國學(xué)生很好地交流。 拓展 用所給詞的適當(dāng)形式填空 Not just Lucy but Lily________(do) some cleaning on Sundays. 典例 does 【 點撥 】 用 主謂一致法 解答。 not just...but...用來連接兩個主語時,謂語動詞采取“就近原則”,根據(jù) on Sundays可知為一般現(xiàn)在時,最近的主語為 Lily,故要用動詞的第三人稱單數(shù)形式, do的第三人稱單數(shù)形式為 does。 知識點 7 say no to...拒絕 …… say no to中的 to為介詞,其后可跟名詞、動名詞等,其同義詞為 refuse。 eg: We should say no to swimming in the river. 我們應(yīng)該拒絕在河里游泳。 考向 say hello/goodbye/sorry(to sb.)(向某人 )問好 /說再見 /道歉 拓展 選出與句子畫線部分意思相同或相近的一項 The boy said no , so the monster breathed on the road and made it disappear.(黃岡 )( ) A. replied B. refused C. relaxed D. regarded 典例 B 3 Answer the questions. 1. What are the five rules for a healthy life according to the writer? 2. Are people today getting the same amount of exercise as they did in the past? Why? 3. Why is it sometimes difficult to be a teenager? 4. Who do you think the passage is written for? off the sofa!2. Eat healthy food! 3. Rest while you can!