[原创]o-level,a-level参考书（附图）

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<img src="https://pic.sgchinese.com/attachments/dvbbs/2007-9/20079111531945609.jpg" border="0" onclick="zoom(this)" onload="if(this.width>document.body.clientWidth*0.5) {this.resized=true;this.width=document.body.clientWidth*0.5;this.style.cursor='pointer';} else {this.onclick=null}" alt="" /> 联系电话： <img src="https://pic.sgchinese.com/attachments/dvbbs/2007-9/20079111551274574.jpg" border="0" onclick="zoom(this)" onload="if(this.width>document.body.clientWidth*0.5) {this.resized=true;this.width=document.body.clientWidth*0.5;this.style.cursor='pointer';} else {this.onclick=null}" alt="" /> 联系电话：