皮皮学，免费搜题
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【单选题】
输入、输出装置以及外接的辅助存储器称为?A.
操作系统
B.
存储器
C.
主机
D.
外设
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why did the author never call Leo his stepfather?
A.
Because he didn ’ t know who his father was.
B.
Because he enjoyed a good relationship with Leo.
C.
Because he considered Leo as his friend but not a father.
【简答题】Leo is paying a visit to Kate’s office. Listen to the conversation and complete the following notepad.
【简答题】用软件完成综合楼土石方工程清单列项,文件名:学号+姓名 综合楼项目图纸.dwg
【简答题】这个苍白安静的小女孩紧紧地靠在母亲胸前。 (clutch) l
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