【单选题】At the Beijing Olympics, Bolt broke the 100-meter and 200-records and became the _____man in the world.
【单选题】在波浪理论中,牛市的第五浪的涨幅通常______第三浪。
【单选题】牛市的第五浪的涨幅通常______第三浪。
【单选题】Beijing National Stadium,the showpiece of the Beijing Olympics,has fallen into disuse since the end of the games, it difficult to make a profit. [ ]
【判断题】真正的爱情,除了爱心,还需要爱的行动。()
【简答题】科学研究过程中,在难以直接用研究对象做实验时,可以模仿实验对象制作模型,用模型来做实验,或模仿实验某些条件进行实验,这样的实验叫做______.
【单选题】Lin Dan won the first prize in the Beijing Olympics, which helped him gain the ____ of the world.