A director’s main aim should be to check financial statement.

A、reasonable and absolute

B、reasonable

C、absolute

D、not reasonable nor absolute

A、Are often based on a company's prior performance.

B、Are often set by competitors.

C、Are set by the company's industry.

D、Are based on rules of thumb.

E、Are published in Dun and Bradstreet.

A、Are based on a company's prior performance.

B、Are set by the government.

C、Are set by the financial performance and condition of the company's industry.

D、Are based on rules of thumb.

E、Compare a company's income with the prior year's income.

A、Different biomembranes may contain different proportions of the same phospholipids.

B、The two leaflets of a biomembrane may contain different phospholipids.

C、Some biomembranes have free edges.

D、Some phospholipids and cholesterol may cluster to form lipid rafts.

A、In the first sentence.

B、In the second sentence.

C、In the third sentence.

D、In the last sentence.

A、1,2 and 3

B、1,3 and 4

C、2,3 and 4

D、1,2,3,and 4