全血的黏滞性主要取决于A．血浆蛋白含量B．红细胞数量C．红细胞叠连D．白细胞数量E．NaCl浓度

is required to produce each unit of product. Currently there is raw material inventories of 1,500kg, and it plans to hold 2,000kg of raw material at the end of next month. How many kg of raw materials should be purchased next month？

A、7,200

B、8,700

C、7,700

D、6,700

A、Wastage of material occurs in the production process

B、Finished goods inventories are budgeted to increase

C、Raw materials inventories are budgeted to increase

D、Raw materials inventories are budgeted to decrease

In Line 5 (Para. 2) "raw .material" refers to ______.

A．unanalyzed data

B．computer code

C．mathematical equations

D．new hypotheses

Due ()the increase in raw material costs, we must unfortunately raise the cost of our merchandise ()you.

A、for,for

B、for,at

C、to,to

D、to,at

A．Rise in interest rates.

B．Growing raw material costs.

C．Plummeting construction activity.

D．Fears of a U.S. depression.

r.

A．according

B．attempt

C．due

D．need

A、supply position

B、unit price

C、raw material

D、quality