从猿到人的转变过程中,下列哪项起到了最重要的作用[ ]
A、直立行走
B、劳动
C、语言的产生
D、手的形成
答案:B
Having concentrated for a long time he ____ his work, made some coffee and talked with his colleagues.
A.put on
B.put aside
C.put off
D.put back
下列错误中,能通过试算平衡查找的有( )。
A.某项经济业务未入账
B.某项经济业务重复记账
C.应借应贷账户中借贷方向颠倒
D.应借应贷账户中借贷金额不相等