____
下列计算,正确的是( )
A
Volunteers Needed
Sunny Children's Hospital
•Two people are needed
•Be good with kids
•Play fun games with kids
•Spend four days a month
•Tel:593 8-6357
Home Love
•Help old people repair things
•Have skills in repairing
•Spend thirty hours a month
•Tel:5742—3625
Blue Water Beach
•Collect(收集)and carry rubbish
•Clean up the beach every Sunday morning
•Tel:7204—4160
SOS Children's Village
•Five English teachers are needed
•Outgoing with a loving heart
•Spend one week a month
•Tel:6368—2745
第一次和第二次世界大战结束后,为了“确保战后的和平与安全”而建立的两个国际组织是( )