选择题：

Question 1: What is the clavichord primarily known as?

　　a) String instrument

　　b) Wind instrument

　　c) Percussion instrument

　　d) Keyboard instrument

　　答案：d) Keyboard instrument

　　解析：The clavichord is primarily known as a keyboard instrument, as it produces sound by striking brass or iron strings with small metal blades called tangents.

　　填空题：

Question 2: The clavichord was most popular during the ________ era.

　　答案：Baroque

　　解析：The clavichord was most popular during the Baroque era, from around 1400 to 1750.

　　判断题：

Question 3: The clavichord is a predecessor of the modern piano. (True/False)

　　答案：True

　　解析：The clavichord is considered a predecessor of the modern piano as it shares similarities in design and function.

　　论述题：

Question 4: Discuss the playing technique of the clavichord and its significance in music history.

　　答案：The clavichord is played by pressing the keys, causing the tangent to strike the strings and produce sound. It allows for subtle variations in pitch and dynamics, making it an expressive and intimate instrument. The clavichord was significant in music history as it laid the groundwork for keyboard instruments and influenced the development of musical composition and performance techniques.

　　解析：In this response, the focus is on describing the playing technique of the clavichord and highlighting its historical significance in shaping musical styles and practices.

　　通过以上题目和答案的展开，读者可以全面了解到古乐器clavichord的基本信息、历史背景以及演奏技巧，为他们深入了解和学习相关知识提供了必要的参考。

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