2026年5月托福机经套卷(第1套)Listen to an Academic Talk / 24 道题

Listen to an Academic Talk / 2

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共用录音 1

What is the main purpose of the talk?

ATo explain why most instruments became quickly standardized

BTo compare the tuba's shape with that of other brass instruments

CTo explore how the tuba produces its lowest notes

DTo trace the development of precursors to the tuba

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正确答案：D

What can be inferred about the trumpet and the trombone?

AThey have clear ancestors to their modern versions.

BThey are often made of materials other than brass.

CThey do not yet have standardized versions.

DThey are not played in a similar way to the tuba.

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正确答案：A

According to the speaker, what was the problem with the serpent?

AIts "s" shape made it uncomfortable to hold.

BIts width made it difficult to play in tune.

CIts size made it too loud to play with an orchestra.

DIts wooden construction made it too fragile.

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正确答案：B

Why does the speaker mention the composer Berlioz?

ATo indicate one of the inventors of the ophicleide

BTo emphasize the impressive pitch range of the ophicleide

CTo explain the broad acceptance of the ophicleide

DTo introduce a disadvantage of instruments made of brass

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正确答案：C