Who is the usual customer of the conference service？

A、he said

B、said he

C、did he say

D、he did say

The ______ of the semi-built method of the construction crankshaft is that by making the two webs and crankpin from a single forging the grain flow in the steel follows the web round into the crankpin and back down the other web.

A.advantages

B.disadvantages

C.power advantages

D.power disadvantages

The company is a key provider of telecom services in Hong Kong.

The decision of establishing the United Nations was made at

A．the Tehran Conference.

B．the Yalta Conference.

C．the Potsdam Conference.

D．none of the above.

The forecastle card ______．

A.Advises the crew of the conditions of employment

B.Is also known as a Merchant Mariner's Document

C.Designates the quarters a seaman will occupy during a voyage

D.Is posted in the crews quarters and lists the emergency stations