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【多选题】
下列经济业务中,不会影响资产负债率的有( ) 。A.
以货币资金对外投资
B.
吸收外单位的固定资产投资
C.
收回应收账款
D.
归还应付账款
E.
接受外单位的固定资产捐赠
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【判断题】Compared with the percentage thirty-seven years ago, the recent percentage increased by 18%.
A.
正确
B.
错误
【单选题】关于混悬剂絮凝的表述错误的是()
A.
混悬剂的微粒荷电,电荷的排斥力会阻碍微粒的聚集
B.
混悬剂的微粒形成絮状聚集体的过程称为絮凝
C.
为了使混悬剂恰好产生絮凝作用,一般应控制ξ电位在20~25mV范围内
D.
为形成絮凝状态所加入的电解质称为反絮凝剂
【单选题】Most Chinese children like to sleep with their mother, because they are ______ the dark. [ ]
A.
interested in
B.
afraid
C.
terrified of
D.
sure of
【简答题】A．Seven o'clock. B．Seven thirty. C．Eight o'clock. D．Eight thirty.
【单选题】关于混悬剂絮凝的表述错误的是
A.
絮凝作用可使微粒的表面自由能降低
B.
加入适当电解质,可使ξ-电位降低
C.
混悬剂的微粒形成絮状聚集体的过程称为絮凝
D.
为形成絮凝状态所加入的电解质称为絮凝剂
E.
为了使混悬剂恰好产生絮凝作用,一般应控制ξ-电位在50~60mV范围内
【简答题】In computing, passwords are commonly used to limit ______to official users. Yet the widespread use of passwords has serious problems. Office workers now have to remember an _______of twelve system pas...
【单选题】I usually have dinner _____. [ ]
A.
around seven-thirt.y
B.
at around seven-thirty
C.
around at seven-chirty
D.
seven-thirty
【简答题】We, Chinese , compare China ___ our mother. A.with B, to C. by D. into
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