问题 选择题

某厂前年缴税30万元,今年缴税36.3万元,若该厂缴税的年平均增长率为x,则可列方程是(  )

A.30x2=36.3

B.30(1-x)2=36.3

C.30+30(1+x)+30(1+x)2=36.3

D.30(1+x)2=36.3

答案

如果设该厂缴税的年平均增长率为x,

那么根据题意得今年缴税30(1+x)2

列出方程为:30(1+x)2=36.3.

故选D.

填空题

根据短文内容和所给汉语提示,写出短文空白处各单词的正确形式。每空限填一词。

Chen Huan: Glad to meet you, Mr Zhu. Welcome to Yiwu TV Station to tell your    1   (故事) of

                 doing business.

Mr. Zhu: Thank you. I'd like to say something that happened thirty years ago.

             Chen Huan: At that time, you didn't have    2  (足够的) food to eat.

Mr. Zhu: Right. So I    3  (去) out to do business to make money by exchange sweets for chicken

              feathers, old shoes and so on.I had to get up very    4  (早) every morning and travel a long way

              on    5   (脚).

Chen Huan: It must be a special experience for you.

Mr. Zhu: Yes. During that time,I was' often tired and hungry    6   (没有) anything to eat,

              especially on those   7   (寒冷的) winter nights…but now everything is better. I own a big

              factory with hundreds of    8   (工人). And I can    9  (卖) my products to the world in a 

              modern market. I'm sure my business will be better and better in the future.

Chen Huan: How moving! Hard work makes a successful businessman. You're really a great example

                  for the    10  (年轻的) people in Yiwu.

1.______ 2.______ 3.______ 4.______ 5.______

6.______ 7.______ 8.______ 9.______ 10.______

单项选择题