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1. Scientists finding out that the universe is even larger and more complex than anyone has ever imagined.(1)____
译文：科学家们发现：宇宙比任何人所能想象的还要大、还要复杂。
2. The aging process is not entirely determined by heredity, but is influenced by different environmental and social circumstances as good.(2)____
译文：老化的过程并不完全由遗传决定，也会受到不同环境状况以及社会境况的影响。
3. Whichever they may differ widely in function, an cells have a surrounding membrane and an internal, water-rich substance called cytoplasm.(3)____
译文：无论细胞之间的功能相差有多大，所有细胞外部都有一层包襄着它的细胞膜，内部有一种富含水分的物质——细胞质。
4. Booker T.Washington, an educational leader, worked throughout the lifetime to improve economic conditions for Black people in the United States.(4)____
译文：布克·T.华盛顿是一位教育界的领袖，他一生都在为改善美国黑人的经济状况而奋斗。
n. 功能，函数，职务，重大聚会
vi. 运行
