“19世纪中期，英国凭借其先进的科技、股份制公司制度、金融中心地位、遍布全球的殖民地，以及强盛的海军，建立了一个以英伦三岛为中心的全球贸易网络。”这实际上说明了英国（   ）

     Mr Smith had a week's vacation, so he said,“I'm going to the seaside by train. ”He put on his best clothes, took a small bag, went to the railway station(车站)and got into the train. He wore a beautiful hat, and he often put his head out of the window during the trip and looked at the beautiful scenery. Suddenly, the wind pulled his hat off.
     Mr Smith quickly threw(扔) his old bag out of the window, too. The other people in the train laughed,“Is your bag going to bring back your beautiful hat?” they asked.
    “No,” Mr Smith answered.”But My name and address are on the bag. If someone finds both of them, he or she will send me the bag and the hat.” 

在光学显微镜下，可以看到细胞内有绿色颗粒。它们是____，与植物的____ 作用有关。

函数$f\left(x\right)=A\sin \left(\omega x+\phi \right)\left(A>0,\omega >0,\left|\phi \right|<\frac{\mathrm{\pi }}{2}\right)$的部分图象如图所示，则函数$y=f\left(x\right)$对应的解析式为（    ）