Ⅰ、Translate the following：
A. From English into Chinese：
CIP
IMF
Customs Invoice
Counter Sample
Voyage Charter
Gross for Net
Repayment Guarantee
Optional port
Futures Trading
B. Form Chinese into English：
1、银行汇票
2、互购
3、外汇储备
4、知识产权
5、备用信用证
Ⅱ。Choose the best answer：
1. We should be pleased to send you a sample ____ our own expense.
A. at
B. in
C. against
D. of
2. Good harvest ____ this year has made it possible for us to supply walnuts last year‘s prices.
A. at
B. in
C. against
D. on
3. Any alteration in design would mean re-setting our machines， and the cost of this would be prohibitive ____ you could place an order for more than 5，000.
A. until
B. with
C. unless
D. when
4. After studying our prices and our liberal terms， you will understand why we are working ____ capacity to meet the demand.
A. on
B. to
C. for
D. of
5. Thank you for your remittance of US $ 2，150.00 ____ the 70% freight due under Invoice No.22B/96.
A. of paying
B. pay for
C. for payment for
D. in payment of