全新版大学英语视听说教程2答案 unit5

Before You Listen

Communicate:任填

Vocabulary: A C B A B C B A C A

Listen

Listen For Main Ideas: unique function adapt

Listen for key terms:surfaces layer covers skin layer film surfaces

Listen for Detail: scales diamond bacteria walls

dry wet insects sticking

Extended Listening

Passage 1

ExerciseA:C B B A

ExerciseB: emulating in nature travel faster noise heard

hundreds of meters away air pressure water

head and beak streamlined long, pointed

ExerciseC:C D A B

ExerciseD: appearance performance all-electric mechanical structure

control system 22 25 two to three hours 90 commercialize

ExerciseE:C A B

ExerciseF : TFFTT

ExerciseG:B B D

ExerciseH : A bionic robot Chinese scientists Nov.21

stick to surfaces 5kilograms 1 meter

scanning, detecting, and monitoring

cleaning glass walls visual navigation 2018

Speaking

speaking skill:

A :B A A C

TED

Vocabulary:jfbahciedg

for main idea:

E :2、4

Recognize key terms: move mobility move Jumping get around

jumping run crawl jump roll

G :A 划So B 划So C 划So

Watch for details: （very）tiny an ant size

rigid soft Hard Soft motors

survivors a bridge safe cut

Expand your Vocabulary: figure out C. semi-intelligent B.

rough terrain A. set off A. destination C.

Self test:1-5 BACCB 6-10DABDA

听力: CCB DCDD CBC

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