问题
选择题
在同一时刻，小明同学测得一高为2米的竹竿的影长为1米，学校旗杆的影长为5米，则旗杆的高度为（ ）
|
答案
答案：D
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在同一时刻，小明同学测得一高为2米的竹竿的影长为1米，学校旗杆的影长为5米，则旗杆的高度为（ ）
|
答案：D
Questions 23-30
· You will hear people from the National Food Council complaining to retailers about the high prices they are charging for food products and household goods. They complain that the shops have marked up wholesale prices far too much.
· For each question (23-30), mark one letter (A, B or C) for the correct answer.
· After you have listened once, replay the recording.
The National Food Council has studied
A．
| A. on the prices of goods. |
B．
| B. selling food from farms. |
C．
| C. buying and selling food in markets. |