请回答下列问题(每题10分)。

Please answer each of the questions (10 points each).

youdao

请回答下列问题。所得分数会根据回答得出，请组织自己的思路但要简洁。

Please answer the following questions. Your grades will depend on your answers given, so please organize your thoughts or ideas to the point but also be brief.

youdao

请回答下列问题。所得分数会根据回答得出，请组织自己的思路但要简洁。

Please answer the following questions. Your grades will depend on your answers given, so please organize your thoughts or ideas to the point but also be brief.

youdao