题目内容

合理的包装可以减轻储运过程中的机械损坏,可以减少病害蔓延和水分蒸发,保证商品的质量。

A. 对
B. 错

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宏观经济学研究的对象

A. 消费者的行为
B. 生产者的行为
C. 国家的经济行为
D. 市场的行为

宏观经济学产生的标志

A. 就业利息和货币通论
B. 国富论
C. 经济学原理
D. 宏观经济学

Most of the main ideas below come from college textbooks. In the space provided, write the letter of the pattern of organization that each suggests.1. A communicable disease is one in which an infectious organism isusually passed from person to person.

A. Definition and example
B. Comparison and/or contrast
Cause and effect

Following are three reasons for the existence of stereotypes.

A. Definition and example
B. Comparison and/or contrast
Cause and effect

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