A. now B. allow C. follow D. how

Comparing with UCP 500, the major changes introduced by the UCP 600 include( ).

A. the banks now have a maximum of five banking days for the examination of documents

B. the banks now have a maximum of seven banking days for the examination of documents

C. Bs/L may now allow transshipment

D. Bs/L may not allow transshipment

A.A.

B.B. after the expiry date of credit

C.C. after the date of shipment

D.D. partial shipment

E.E. transshipment

A.A. the commercial invoice must be made out in the same currency as the L/C

B.B. the commercial invoice may not be made out in the same currency as the L/C

C.C. Bs/L may now allow transshipment, provided that the entire carriage is covered by one and the same bill of lading

D.D. Bs/L may not allow transshipment, provided that the entire carriage is covered by one and the same bill of lading

A.A. as

B.B. for

C.C. at

D.D. in

A. Enable the computer account for Testking11.

B. Configure TestKing11 as a member of the domain.

C. Add Sandra‘s user account to the Enterprise Admins group.

D. Add Sandra‘s user account to the Server Operators group.

A. Enable the computer account for Testking11.

B. Configure TestKing11 as a member of the domain.

C. Add Sandra‘s user account to the Enterprise Admins group.

D. Add Sandra‘s user account to the Server Operators group.

● Personal firewall is a technology that helps __(66)__ intruders from accessing data on your PC via the Internet or another network, by keeping __(67)__ data from entering or exiting your system.

Hackers do not just target national security organizations for __(68)__: They want your tax returns, network passwords, or bank account numbers. And you do not want the FBI kicking in your door because someone hijacked your PC to __(69)__ in the latest denial-of-service attack on the Internet. Now that “always-on” broadband connections such as cable modems and digital subscriber line are becoming more popular, home users are at risk. Fortunately, you can protect your data.

Firewalls can block __(70)__ attacks and protect your PC from outside threats.

(66)

A. allow

B. prevent

C. invite

D. get

(67)

A. authorized

B. refused

C. denied

D. unauthorized

(68)

A. attacks

B. aggression

C. help

D. repair

(69)

A. enlist

B. go to

C. participate

D. attach

(70)

A. malicious

B. friendly

C. neighborly

D. goodwill

21. Herewith please find enclosed a check for US $ 5,000 in payment of your invoice No. 2771.

22. We take the liberty of writing to you with a view to building up business relations with your firm.

23. To step up trade between us , we trust you would allow us a higher rate of discount.

24. Are your valuables protected from burglary？

25. Since this is our first order , we hope you will do everything possible to ensure punctual shipment.

a. Our lines are mainly textiles and handicrafts.

b. We are now pleased to send you our official receipt.

c. Let us here at Home Safe , Inf. help you make sure your family and home are fully protected.

d. We assure you that we shall effect shipment on the specified date in your order.

e. Since this is our first transaction with you , we decide , as an exception , to cut the price by 2%.

在习题1的基础上加入外国，其需求曲线为： D*= 80-20P，供给曲线为： S* =40+20P。

a.推导并绘出外国的出口供给曲线，同时计算没有贸易时外国的小麦价格。

b.如果本国和外国进行贸易，且运输成本为零。计算自由贸易时的均衡点，与之对应的世界价格是多少？贸易量又是多大？

Now add Foreign， which has a demand curve

D*=80-20P

and a supply curve

S*=40+20P

a. Derive and graph Foreign's export supply curve and find the price of wheat that would prevail in Foreign in the absence of trade.

b. Now allow Foreign and Home to trade with each other， at zero transportation cost. Find the equilibrium under free trade. What is the world price？ What is the volume of trade？

A.supply

B. afford

C. award

D. allow