As food is to the body, so is learning to the mind. Our bodies grow and muscles develop with the input of adequate nutritious【M1】______ food. Otherwise, we should keep learning day by day to maintain【M2】______ our keen mental power and expand our intelligent capacity.【M3】______ Constant learning supplies us inexhaustible fuel for driving us to【M4】______ sharpen our power of reasoning, analysis, and judgment. Learning incessantly is the surest way to keep pace with the time in the【M5】______ information age, and an infallible warrant of success in times of uncertainty. Once learning stops, vegetation sets in. It is a common fallacy to regard school as the only workshop for the acquisition of knowledge. On contrary, learning should be a never-ending【M6】______ process, from the cradle to the grave. With the world ever changed【M7】______ so fast, the cease from learning for just a few days will make a person lag behind. Whats worse, the animalistic instinct deep in our subconsciousness will come to life, and weakening our will to【M8】______ pursue our noble ideal, sapping our determination to sweep away obstacles to our success, even killing our desire for the refinement of our characteristic. Lack of learning will inevitably lead to the【M9】______ stagnation of the mind, or even worse, its fossilization, Therefore, to stay mentally younger, we have to take learning as a lifelong【M10】______ career. 【M1】