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【单选题】
原子扩散的驱动力是( )A.
组元的浓度梯度
B.
组元的化学势梯度
C.
温度梯度
D.
压力梯度
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举一反三
【单选题】Why are there two teams to study the same ice?
A.
They belong to different countries.
B.
They compete against each other.
C.
They want to confirm their findings.
D.
There are too many ices for only one team.
【单选题】某企业生产甲产品,已知该产品的单价为 10 元,单位变动成本为 4 元,销售量为 500 件,固定成本总额为 1000 元,则边际贡献率和安全边际率分别为 下列项目中,属于管理会计定性分析方法的是()。
A.
60% 和 66.67%
B.
60% 和 33.33%
C.
40% 和 66.67%
D.
40% 和 33.33%
【单选题】以下哪项不属于卖方远期信用证与买方远期信用证的区别? ( )
A.
前者由卖方承担票据贴现费用,后者由买方承担
B.
前者出口商是远期收汇,后者实际上是即期收汇
C.
前者需要使用汇票,后者不需要。
D.
前者常用于向出口商提供融资,后者常用于向进口商提供融资。
【简答题】企业采用出包方式建造一幢厂房，以银行存款向承建方预付首期工程款35万元。（2分）
【单选题】How did Jack's parents adjust themselves to their new home?
A.
They began to study English.
B.
They invented new names for themselves.
C.
They rarely went out.
D.
They made an alteration to their name.
【单选题】They have to study a lot, ( )?
A.
don't they
B.
haven't they
C.
did they
D.
hadn't they
【简答题】A．It seems that they attach more importance to marriage than to study. B．They say that they are willing to get married when necessary. C．They think they will value the time in university and learn mor...
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