No credit will be offered（）you place an order for more than 40.000 units.
第1题：
A.after
B.when
C.if
D.unless
第2题：
The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
A. once
B. when
C. if
D. unless
第3题：
A.As
B.When
C.If
D.Although
第4题：
No more than twenty years passed ( ) laser was first invented.
A、after
B、since
C、before
D、when
第5题：
17．_________they may not succeed，they will try their best．
A．Though
B．When
C．Because
D．Unless
第6题：
A、Though
B、The moment
C、If
D、Unless
第7题：
It is what you do rather than what you say ______matters.
A. what
B. when
C. that
D. how
7．答案为C 你所做的比所说的重要。这是个强调句型，his...that...。
第8题：
A.after
B.when
C.what
第9题：
A.after
B.when
C.before
D.as soon as
第10题：
听力原文：If you open a transferable credit, the credit is established in favor of the middleman.
(10)
A．The supplier is the prime beneficiary of a transferable L/Ｃ.
B．The middleman is the prime beneficiary of a transferable L/Ｃ.
C．Neither the supplier nor the middleman is the beneficiary of a transferable L/Ｃ.
D．In order to be in favor of the middleman, you should open a transferable credit.