UNIT1 PARTA SECTIONA TASKTWO CCCCA SECTIONB
TASKONE CB DCC TASKTWO BDCBA TASKTHREE
TFTFT
PARTB SECTIONA
TASKONE DCB TASKTWO
SECTIONB
TFFFT
…
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 AC 3-4 BC 5-7 ABD 8-11
DBDD
，
12-15 CCAC 16-18 BBA 19-22
ADCB
23-25 UNIT2 PARTA
ADB
SECTIONA SECTIONB
TASKTWO TASKONE TASKTWO
—
CDACD CA ACB CBBDD
TFTTF
TASKTHREE
PARTB SECTIONA
TASKONE TASKTWO
SECTIONB
TFFTT
BCB
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 8-11 12-15
DC BB DBC CBAC 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
BBCBC BC CBA BDADC FTTFF
BDC
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 CDCBA SECTIONB
TASKONE CA AAC TASKTWO BDCAC TASKTHREE
FFTTF
PARTB SECTIONA
TASKONE BAD TASKTWO
SECTIONB
TFFTF
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 BC 3-4 AB 5-7 AAB 8-11
CCBD
.
12-15 ACBC 16-18 CAC 19-22 BDDA 23-25 DBA
UNIT5 PARTA
SECTIONA TASKTWO SECTIONB
TASKONE
~
TASKTWO TASKTHREE
PARTB SECTIONA
TASKONE
ACBAC BD BCA
ADBCB FTFTT
BBC
21世纪大学英语视听说教程第三版第4册英语听力答案
