题目

一词多义练——清除阅读障碍shift A. n. 值班 B. v改变 C. v. 挪动;转移。 (1) For some kids, all you have to do is shift one element of their diet. (2) Could you help me shift some furniture? (3) Don't wait for me. I will be on the day shift. 答案:【1】B 【1】C 【1】A下列物质不能通过化合反应制得的是A. SO2 B. FeCl2 C. Fe(OH)3 D. H2SiO3
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