People between 10 to 20 should be named us "young people".（）

173 Five people are involved on a project that requires significant communication between all project participants. How many lines of communication exist on this project？

A. 5

B. 6

C. 8

D. 10

E. 9

55 Five people are involved on a project that requires significant communication between all project participants. How many lines of communication exist on this project？

A. 5

B. 6

C. 8

D. 10

E. 9

project participants. How many lines of communication exist on this project？

A 5

B 6

C 8

D 10

E 9

Which of the following affects the poor most according to the first two paragraphs？

A．More than 7,000 Americans died during waiting for organ transplant last year.

B．Only 10% people in need could succeed in getting organ transplant operation.

C．Organ transplant operation is very complex and costly even in America.

D．The larger gap between demand and supply creates markets of body parts.

vantage of it have diminished.

B．cCulturl exchnge ______ better understnding between people in different countries.llows for B．clls for C．mkes for D．goes for

A．allows for

B．calls for

C．makes for

D．goes for

A.separate

B.contrast

C.compare

D.distinguish