伍子胥是我国春秋时代吴国的大夫，他被任命为吴国的大夫之前曾受到楚平王的追捕。伍子胥只好白天躲藏，晚上逃跑。一天，他终于来到了吴楚两国交界的昭关，关上的官吏盘查的很紧，城门上还挂着楚平王悬赏捉拿伍子胥的告示和画像，如果逃出关，伍子胥就会摆脱追捕，否则就会危在旦夕。为此，伍子胥十分焦急、忧愁，一连几夜睡不着觉，愁得连头发都白了。据此回答问题：

有学者指出，《中华民国临时约法》的特点之一是“揖欧仿美”。“揖欧”（学习欧洲）表现是（    ）

国有经济是我国社会主义经济制度的基础。 (   )

    According to a Chinese saying, he who doesn't reach the Great Wall of China is never a great man.

    Growing up in Beijing I1 its historical sites and natural attractions perfectly well. However, I'd 2 climbed the Great Wall before until recently. I, along with my friends3for the top. We soon discovered that the hike was much more 4 than we had imagined. But we didn't 5.It took us about two hours to finally6 where we had wanted to get to.

    As I 7 at the top of the Great Wall, I looked back at the waves of8 walking to the top. At that moment, I saw an amazing 9 that would forever change my opinion on humans' limits. I saw young couples carrying their children, walking10 but surely towards the top. They would stop once in a while to take a11 under the hot sun.

    As I stood there, I began to 12 words that can describe us humans. If one would like to describe Giraffes (长颈鹿), he/she would use words such as 13 and long-necked -But what about us? I took another look down below and my 14began to gather, persevering (坚持不懈的), determined, and 15As these words came into my mind, I 16 that it was not appearance or physical characteristics that should define (定义) us humans, but the 17 that we share.

    I don't know if I became a 18 man after returning from this 19 according to the Chinese saying20 I surely returned as a more thoughtful person.