30．一Cydia，what did you hear our teacher said just now?

一Every boy and every girl as well as the teacher who___to lead the group____asked to be at the school gate before 6：30 in the morning

A．is；is

B．are；ate

C．are；is

D．is；are

求同存异”原则体现了我国政府在处理对外关系时　

A 不以社会制度和意识形态的异同来决定亲疏、好恶

B 不以国家利益的冲突与否来决定亲疏、好恶

C 应放弃与他国相互冲突的观点，求得一致的意见　

D 应放弃与他国相互冲突的利益，在妥协的基础上求得一致利益