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【判断题】
若二元函数 可微 ,则二元函数 一定连续 。A.
正确
B.
错误
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举一反三
【简答题】The Woman advises the man to __________． [A] study paintings from other artists [B] go to her father's art exhibits [C] show the instructor his sketches [D] change the color of the sky
【单选题】The woman asked the doctor for some _______? [ ]
A.
advice
B.
advices
C.
advise
D.
advises
【单选题】垄断利润______。
A.
是通过市场的高卖低买而获得的超额利润
B.
是通过资本自由转移而形成的一种利润
C.
来源于垄断企业先进的机器设备
D.
是超过平均利润的高额利润
【简答题】A．He advises the woman to borrow money from others. B．He advises the woman to take a part-time job. C．He persuades her not to buy it. D．He advises the woman to save up for it.
【单选题】对于企业而言，供应链节点企业既可以是这个供应链的成员，同时又可以是另一个供应链的成员。”改说法描述的是供应链()特点。
A.
供应链的增值性
B.
供应链的交叉性
C.
供应链的动态性
D.
供应链的供求性
【单选题】The woman advises the man to take up weight training because
A.
it helps strengthen his muscles.
B.
it is good for a sound sleep.
C.
it helps develop mental toughness.
D.
it helps to lose weight.
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