“This certicate is valid for six months from the date of issue.”，最确切的翻译是（）
第1题：
听力原文：The signature of the payee or of his duly authorized agent is essential to the validity of an endorsement.
(7)
A．The payee's signature can make the endorsement valid.
B．The drawer's duly authorized agent can make the endorsement valid.
C．The payer's signature can make the endorsement valid.
D．The drawee's duly authorized agent can make the endorsement valid.
第2题：
A. V$VALID_NLS_VALUES
B. NLS_VALID_VALUES
C. NLS_VALUE_OPTIONS
D. V$NLS_VALUE_OPTIONS
E. V$NLS_VALID_VALUES
第3题：
A. sixth June
B. the sixth of June
C. six June
D. the six of June
第4题：
第5题：
What is the accepted standard for wire rope falls used in connection with the lifeboat gear ________．
A.Six by seven galvanized wire rope
B.Six by twenty-four improved plow steel wire rope
C.Six by thirty-seven preformed fiber-core wire rope
D.Six by nineteen regular-lay filler wire rope
第6题：
A.June six
B.six June
C.6th June
D.the six of June
第7题：
A、six forty-five
B、fifteen minutes to seven
C、a quarter past six
D、six three quarters
第8题：
He first entered the country on a six-month visa, and was given a further ______ of six months.
Aexpansion
Bextension
Cexpectation
Dexplosion
第9题：
第10题：