Fishermen and ____ (sail) sometimes claim to have seen monsters in the sea. ____ people have often laughed at stories told by seamen, it is now ____ (know) that many of these ‘monsters' which have at times been sighted are ____ (simple) strange fish. Occasionally, ____ (usual) creatures are washed to the shore, but they are rarely caught out at sea. Some time ago, however, a peculiar fish was caught near Madagascar. A small fishing boat ____ (carry) miles out to sea by the powerful fish as it pulled on the line. ____  (realize) that this was no ordinary fish, the fisherman made every effort not to damage ____ in any way. When it was eventually brought to shore, it was found to be over thirteen feet long. It had a head like a horse, big blue eyes, shinning silver skin and a bright red tail. The fish, which has since been sent to a museum ____ it is being examined by a scientist, is called an oarfish. Such creatures have rarely been seen ____ (live) by man as they live at a depth of six hundred feet.

小龙和小刚两人玩“打弹珠”游戏，小龙对小刚说：“把你珠子的一半给我，我就有10颗珠子”，小刚却说：“只要把你的$\frac{1}{3}$给我，我就有10颗”，如果设小刚的弹珠数为x颗，小龙的弹珠数为y颗，则列出方程组正确的是(      )

下图为宋朝画家王居正的《纺车图》，站着的老妇双手忙着引线团，疲惫而沧桑的脸上体现出体谅和爱抚，身上穿着补丁累累的破烂衣服，坐着的村妇一边怀抱婴儿哺乳一边摇轮。对此解释正确的是（    ）

阅读下列材料：
材料一  古希腊历史学家修昔底德认为“一个新崛起的大国必然要挑战现存大国，而现存大国也必然来回应这种威胁，这样战争变得不可避免。”这一观点称为“修昔底德陷阱”，被西方视为国际关系的“铁律”。 
材料二  2014年1月22日，《世界邮报》创刊号刊登了对中国******的专访。针对中国迅速崛起后，必将与美国这样的旧霸权国家发生冲突的担忧，***在专访中说，我们都应该努力避免陷入“修昔底德陷阱”，强国只能追求霸权的主张不适用于中国，中国没有实施这种行动的基因。
结合所学知识，回答下列问题：