Collection D/P at Sight D/P after Sight D/A

A.Ask for advice on make-up.

B.Treat lines and wrinkles.

C.Buy skin care products.

D.Design a collection of skin cream.

made by D/P. Assuming the time period of sending documents is ten days. Please fill in the following blank.

Payment terms	Date of collection	Date of presentation	Date of acceptance	Date of payment	Date of document releasing
D/P at sight	Sep. 1 , 2006
D/P at 30 days		Sep. 11 , 2006
D/A at 30 days				Oct. 11 ,2006

A.Si、Mn、P、Cr

B.Si、Mg、P、Cr

C.Si、Mn、P、S

D.Si、Mg、P、S

A.Fe、P、Al、Mn、Si

B.Fe、P、Mn、Si、Al

C.Fe、P、Si、Mn、Al

D.Fe、Mn、P、Si、Al

铁水预处理的三脱通常指脱（)。

A、P、C、S

B、Si、S、C

C、P、C、Si

D、P、S、Si

A. Fe、FeO、S、

B.Si

C.

D.Si、Mn、S、P

E. SiO2，Fe、S、P、C

A.Ca〉Mg〉Be

B.O〉C1〉P

C.Si〉P〉Br

D.Br〉Si〉P

A.S

B.P

C.Si

D.Mn

A.Fe、C

B.Si、Mn

C.S、P

D.Fe、

E.Si

A.P

B.S

C.Si

D.Mn