( )是处于成熟阶段行业中的企业成功的关键要素。A．做好成本

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问题单项选择题

( )是处于成熟阶段行业中的企业成功的关键要素。

A．做好成本控制
B．产品价格促销
C．产品推广
D．加大投入力度

答案

参考答案：A

解析：企业处于成熟阶段中，做好成本控制成为很多企业成功的关键。

选择题

---Why do you come back so late?

---Because there were too many people in the supermarket, and I had to _____to pay for the things.

A．wait in line

B．cut in line

C．stand up

D．speak loudly

单项选择题

1+2+3+4+5+6+7+8+9+10的值是( )

A．55

B．54

C．53

D．52