1 The people who speak Esperanto hope that the language someday will become the international language for trade, science, and diplomacy.
A common
B unique
C official
D well-known
2 All dogs are capable of doing harm to human beings.
A damage
B injury
C danger
D wound
3 They have been tightening their belts for months, adapting themselves to a war economy.
A modifying
B adopting
C arranging
D adjusting
4 What makes a major success in Los Angeles is the strength of his public support.
A concentration
B intensity
C conservation
D stress
5 They had put up with the behavior from their son which they would not have tolerated from anyone else.
A accepted
B suffered
C endured
D received
答案：1 A 2 B 3 D4 B 5 C