专心致力于(做)某事 be buried in thoughts

　　沉思 bury one's face in one's hands

　　双手掩面 be buried alive被活埋；隐居 ①The paper was buried under a pile of books. 那份文件被埋在书堆下。 ②He had learned to bury his feelings. 他学会了掩饰内心的情感。 ③He walked slowly，his hands buried in his pockets. 他走得很慢，两手插在衣袋里。

　　④Since she left，he has buried himself in work. 自从她走后，他全心扑在工作上。 ⑤She sat there，buried in thought. 她坐在那儿，陷入了沉思。 【即境活用10】 On hearing the news，he sat there without a word，then he ________ his face in his arms and burst into tears. A．buried

　　B．covered C．kept

　　D．dropped [解析]bury one's face in one's arms双手抱头。 [答案]A 1．as if仿佛；好像 The old man treats Tom as if he were his own son. 老人对待汤姆就像待他亲生儿子一样。 They were talking as if they had been friends for many years. 他们像多年的老朋友一样交谈。 【易错提示】 as if(＝as though)引导的从句，谓语动词常用虚拟语气。即当从句表示与现在事实相反的动作时，从句用一般过去时态；当表示与过去事实相反的动作时，用过去完成时态。 He walks as if he were drunk.他走起路来好像醉了。 It looks as if it were going to rain.天看起来要下雨了。 【即境活用11】 He looks ________ he is angry. A．as if

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