阅读材料,回答问题:周平王即位,把都城迁到洛邑,以避开犬戎族的进攻。平王时期,周王室势力已经衰弱,诸侯以强并弱,齐、楚、晋等开始强大起来,政权也由地方诸侯掌握。
根据如图和你的生活经验回答问题:
—The American warships(军舰) have appeared near South China Sea Islands again.
—We must let the Americans know clearly that the islands ______ China.