釉柱的直径平均为A．4～6μmB．2～3μmC．7～9μmD．0.5～1μmE．10～12μm

A、Yes, we will send the information you requested.

B、This is to advise you that we will send the information you requested.

C、You may be interested to learn that we will send the information you requested.

D、I am writing this letter to inform you that we will send the information you requested.

request.

The high quality of our product is well-known and we are confident that a trial order wound convince you our goods are excellent.We are offering you goods of the highest quality on unusually generous terms and would welcome the opportunity to serve you. We expect a lot of people to come in and look around without buying anything the first time.

oval.

A、with request

B、as request

C、upon request

D、at request

A、in

B、on

C、entering

D、at

() you send this letter for me tomorrow morning, please？

A: May

B: Can

C: Do

If you send your friend a letter, it seems that he ______.

A．will be greatly worried

B．will be angry about it

C．will award you

D．will see you on paper