Nationssometimesrestrictexportsofcriticalrawmaterials,hightechnology,orequipmentwhensuchexportmightharmitsownsecurity.
A.正确
B.错误
正确答案:A
Nationssometimesrestrictexportsofcriticalrawmaterials,hightechnology,orequipmentwhensuchexportmightharmitsownsecurity.
A.正确
B.错误
正确答案:A