2026年3月托福机经套卷(第4套)Listen to an Academic Talk4 道题

Listen to an Academic Talk

共用材料

共用录音 1

What does the speaker mainly discuss?

AA recent discovery about the way ants use their mandibles

BA robot gripper improvement as an example of biomimicry

CA research project inspired by the weight that ants can carry

DA way to package items to make them easier for robot grippers to pick up

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正确答案：B

Why does the speaker mention human fingers?

ATo illustrate ants' strength

BTo point out what inspired the design of a robot gripper

CTo explain how a research study was performed

DTo describe how ants' mandibles work

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正确答案：D

What point does the speaker make about three-plated robot grippers?

AThey are not very easy to use.

BThey are mostly useful for picking up and carrying flat items.

CTheir design is based on an activity observed in ants.

DTheir plates usually have at least one curved edge.

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正确答案：A

What attitude does the speaker express about the researchers' experiment?

AUnsure about why they used artificial hair

BImpressed by the number of items they tested

CEager to see additional results in the future

DPleased with how fast their robot grippers picked up items

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正确答案：B