中国开始了“家天下”的历史,是从()
夏代
殷商时期
西周
春秋战国
夏朝开始了族群相处一种新的关系模式,那是()
和平相处
商业贸易
文化交流
战争征服
The key components of a computer mouse are the two LED.()
True
False
Not Given
When an ordinary computer mouse get dirty, it has to be replaced with a new one.()
True
False
Not Given
The most durable computer mice on sale are the IBM ones.()
True
False
Not Given
The optical mouse is superior to the basic in that the former has no moving parts.()
True
False
Not Given
Piano
【单选】
What does the passage mainly discuss?()
The historical development of the piano
The quality of tone produced by various keyboard instruments
The uses of keyboard instruments in various types of compositions
The popularity of the piano with composers
Which of the following instruments was widely used before the seventeenth century?()
The harpsichord
The spinet
The clavichord
The organ
The word"supplanted"in paragraph 2 is closest in meaning to()
supported
promoted
replace
dominated
According to the passage, what deficiency did the harpsichord have?()
It was fragile
It lacked variety in tone
It sounded metallic
It could not produce a strong sound
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