行政管理本科
筛选结果 共找出15

The key components of a computer mouse are the two LED.()

A

True

B

False

C

 Not Given

When an ordinary computer mouse get dirty, it has to be replaced with a new one.()

A

True

B

 False

C

Not Given

The most durable computer mice on sale are the IBM ones.()

A

True

B

 False

C

 Not Given

The optical mouse is superior to the basic in that the former has no moving parts.()

A

True

B

 False

C

 Not Given

材料全屏
11

【单选】

What does the passage mainly discuss?()

A

The historical development of the piano

B

The quality of tone produced by various keyboard instruments

C

The uses of keyboard instruments in various types of compositions

D

The popularity of the piano with composers

Which of the following instruments was widely used before the seventeenth century?()

A

The harpsichord

B

The spinet

C

The clavichord

D

The organ

The word"supplanted"in paragraph 2 is closest in meaning to()

A

supported

B

promoted

C

replace

D

dominated

According to the passage, what deficiency did the harpsichord have?()

A

 It was fragile

B

 It lacked variety in tone

C

 It sounded metallic

D

 It could not produce a strong sound

According to the information in the third paragraph, which of the following improvements made it possible to lengthen the tone produced by the piano?()

A

The introduction of pedals

B

The use of heavy wires

C

The use of felt-padded hammerheads

D

The metal frame construction

People began to rely on the mouse for routine computer tasks ever since Stanford University invented computer mouse.()

A

True

B

False

C

Not Given