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【单选题】
( )就是企业在汽车配件新产品投放市场的初期,将汽车配件产品的价格高,利用新产品的显著特点和无竞争对手的有利条件,尽可能地在短期内赚取更多的利润,尽快收回投资 ,以后随着产量和销量的增加与成本的降低,逐步降低价格。
A.
撇脂定价策略
B.
渗透定价策略
C.
适中定价策略
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举一反三
【单选题】—______ are they visiting their friends? —Next Saturday. [     ]
A.
Who
B.
What
C.
Why
D.
When
【单选题】The teacher, with 6 girls and 8 boys of her class, ________visiting a museum when the earthquake struck. [     ]
A.
was
B.
were
C.
had been
D.
would be
【判断题】临终关怀就是安乐死。( )
A.
正确
B.
错误
【单选题】The teacher, with 6 girls and 8 boys of her class, ______ visiting a museum when the earthquake struck.
A.
would be
B.
were
C.
had been
D.
was
【简答题】When visiting the US in 1830s, Alexis de Tocqueville found that the nature of the country was______.
【单选题】知二次函数 的图象如图所示,则下列结论:(1)4a+2b+c>0;(2)方程 两根之和小于零; (3)y随x的增大而增大; (4)一次函数 的图象一定不过第二象限,其中正确的个数是 [     ]
A.
4个
B.
3个
C.
2个
D.
1个
【单选题】已知二次函数 y = ax 2 -2 ax -3 a ( a ≠0),关于此函数的图象及性质,下列结论中不一定成立的是( )
A.
该图象的顶点坐标为(1,﹣4 a )
B.
该图象与 x 轴的交点为(﹣1,0),(3,0)
C.
若该图象经过点(﹣2,5),则一定经过点(4,5)
D.
当 x >1时, y 随 x 的增大而增大
【单选题】已知二次函数y=ax 2 +bx+c(a≠0) 的图象如图所示,则下列结论:(1)4a+2b+c>0; (2)方程ax 2 +bx+c=0两根之和小于零;(3)y随x的增大而增大;(4)一次函数y=x+bc的图象一定不过第二象限。其中正确的个数是 [     ]
A.
4个
B.
3个
C.
2个
D.
1个
【判断题】临终关怀就是安乐死,目的是要结束患者的生命。
A.
正确
B.
错误
【单选题】Compared with visiting a social networking site, when dealing with health tracking,______.
A.
you can act as a totally different person
B.
you can create a new personal data for yourself
C.
you can keep your personal data under control
D.
you can release your personal data unconsciously
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