皮皮学，免费搜题
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搜题
【简答题】
Write an essay of 160~200 words based on the picture on the right. In your essay, you should: (1) describe the picture briefly, (2) explain its intended meaning, and then (3) state your point of view.
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】删除计算机系学生(在student表中)的修课记录(在SC表中)的语句，正确的是( )。
A.
DELETE FROM SC JOIN Student b ON S.Sno=b.Sno a) WHERE Sdept = '计算机系'
C.
DELETE FROM SC FROM SC JOIN Student b ON SC.Sno=b.Sno a) WHERE Sdept = '计算机系' C.DELETE FROM Student WHERE Sdept = ' 计算机系'
D.
DELETE FROM SC WHERE Sdept = '计算机系'