第1题：
A、with
B、to
C、on
D、in
第2题：
A.a, an
B.the, a
C.a, the
第3题：
— You are the manager of the marketing department in your company. A new assistant manager has recently been appointed and will start work soon.
— Write an email to all staff in the department:
— explaining the need for the appointment
— saying when the assistant manager will start work
— describing the experience the assistant manager has.
— Write 40 - 50 words.
From: Candace Woodward
To: All marketing staff
Subject: New assistant manager
第4题：
第5题：
In charter-party，a clause states： the vessel to be employed between good and safe ports or places where she can ______.
A.safe lie always float
B.safely lie always float
C.safe lie always afloat
D.safely lie always afloat
第6题：
With his work completed, the manager stepped back to his seat, feeling pleased()he was a man of action.
A. which
B. what
C. that
第7题：
The man in the corner confessed to __________ a lie to the manager of the company.
A) have told B) be told C) being told D) having told
D
这个题考下面几点
1.confess to doing 或者confess to sth 承认，坦白做了某事
2.完成时，因为说谎后才坦白的，所以用完成时，表示一个先后顺序，这里实际上是过去完成时，但是由于confess to在前面，所以没有体现出来，但是可以感觉到。
3.tell a lie to sb “对xxx说谎”，是个主动的动作，不应该用于被动
第8题：
角点解（Corner solution）
角点解是指这样一种情形，预算线在位于坐标轴上的点处达到最高的可获得的无差异曲线。（在生产者理论中也会发生类似的情况。）
第9题：
第10题：