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【多选题】
属于资产类会计科目的有( )。A.
应收账款
B.
预收账款
C.
预付账款
D.
应付账款
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【简答题】关键事件技术（CIT）
【简答题】C It was at least tow months before Christmas, when nine-year-old Almie Rose told her father and me that she wanted a new bike. Her Barbi bike was just too old, and it needed repairing as well. As Chr...
【简答题】欲配制pH＝5．0的柠檬酸(H3Cit)缓冲溶液1000mL，问应取浓度均为0．50mol／L的H3Cit和NaOH溶液各多少毫升?要求将0．10mol／L HCl溶液1．0 L加入到10mL此缓冲溶液中，溶液的pH＝4．7，已知H3Cit的pKa1＝3．13，pKa2＝4．76，pKa3＝6．40。
【简答题】关键事件法(CIT)
【单选题】CIt is desirable to have screens on the vents of potable water tanks to ______．
A.
Filter the incoming air
B.
Prevent explosions
C.
Prevent backups
D.
Stop insects from entering
【简答题】Carl studied in our middle school three years ago. Last August his father found a job in another city and his family moved there. He began to study in the new school and we often write to each other. ...
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