21世纪大学英语视听说教程第三版第4册英语听力答案

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UNIT1 PARTA SECTIONA SECTIONB

TASKTWO TASKONE TASKTWO

PARTB SECTIONA SECTIONB Lemon battery An LED

Have enough power

Is capable of empowering up to three LEDs A night light or a simple flash light PARTD 1-2 3-4 5-7 8-11 12-15 16-18 19-22 23-25 UNIT2 PARTA SECTIONA SECTIONB

TASKTWO TASKONE TASKTWO

PARTB SECTIONA SECTIONB

TASKONE TASKTWO TFFTT

Almost 120 mile an hour Have been responsible for Took the life of Bottom line

Break the rules of engagement,privacy and decency PARTD 1-2 3-4 5-7

DC BB DBC

BCB

1.privacy 2.free 3.build 4.signing 5.personal CDACD CA ACB CBBDD

AC BC ABD DBDD CCAC BBA ADCB ADB

TASKONE TASKTWO TFFFT

DCB

1.identical 2.cut 3.rough 4.sew 5.subscribe CCCCA CB DCC BDCBA

TASKTHREE TFTFT

TASKTHREE TFTTF

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8-11 CBAC 12-15 CBBB 16-18 DDC 19-22 DDDD 23-25 DDD

UNIT3 PARTA

SECTIONA TASKTWO SECTIONB

TASKONE TASKTWO

TASKTHREE PARTB SECTIONA TASKONE TASKTWO SECTIONB FTFTF

Mature

A fairy tale romance Whirlwind romance A middle class family Descended Have a steady job In fashion PARTD 1-2 AC 3-4 AB 5-7 CDD 8-11 ADBD 12-15 CADB 16-18 BDA 19-22 CADD 23-25

BAC

UNIT4 PARTA SECTIONA TASKTWO SECTIONB

TASKONE TASKTWO

TASKTHREE PARTB SECTIONA TASKONE TASKTWO SECTIONB

TFFTF

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BBCBC BC CBA BDADC

FTTFF

BDC

1.public 2.appropriate 3.opinion 4.motivation 5.barrier

CDCBA CA AAC BDCAC

FFTTF

BAD

1.possibility 2.luxury 3.affordable 4.tremendous 5.destroying ***

Environmental technologies Above average Competitive advantage They have gained importance Clean energy technologies 40% of all the filings The US and Japan PARTD 1-2 3-4 5-7 8-11 12-15 16-18 19-22 23-25

BC AB AAB CCBD ACBC CAC BDDA DBA

UNIT5 PARTA SECTIONA SECTIONB

TASKTWO TASKONE TASKTWO

PARTB SECTIONA SECTIONB

TASKONE TASKTWO FTTTF

BBC

1.enroll 2.annual 3.debt 4.inflation 5.crippling ACBAC BD BCA ADBCB

TASKTHREE FTFTT

Take an advantage of all the benefits you are eligible for Cut your monthly outflow Need an accurate assessment

Prioritize your bills and talk to your creditors That your crisis doesn’t need to ruin PARTD 1-2 3-4 5-7 8-11 12-15 16-18 19-22 23-25

DB CD ADC BADD ABDD ACB ACDB BDC

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