题目内容

在得出某棉花种植农户的供给曲线时,下列除( )外均保持常数。

A. 土壤的肥沃程度
B. 技术水平
C. 肥料的价格
D. 棉花的价格

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预期价格上升,商品当期供给会( )。

A. 增加
B. 减少
C. 视产品生产特征而定
D. 不变

Choose the best word to complete the sentences.1. I don't really like to do ______ sports. I prefer to do sports when and where I want to.

A. some
B. any
C. team
D. easy

It is not very healthy to do jog besides a motorway because of the ______.

A. many accidents
B. bicycles
C. air pollution
D. other people

Most athletes give a better ______during a competition than in training.

A. performance
B. live
C. show
D. hear

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