题目内容
Historically Hispanic groups have had great influence on the United States. They are mainly from the following countries EXCEPT______.
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Who started the research of the Golden Rice？
A country like Britain today survives and prospers by the talent and ability of its people. Human capital is key. The more it is developed, the better we are. Modern goods and services require high value added input. Some of it comes from technology or financial capital—both instantly transferable. Much of it comes from people—their ability to innovate, to think anew, to be creative. Such people are broad-minded: they thrive on curiosity about the next idea; they welcome the challenge of an open world. Such breadth of mind is enormously enhanced by interaction with art and culture. The whole process of stimulation through plays, books, films, works of art; the delight in design, in architecture, in crafts: all of this enlarges a countrys capacity to be reflective, interested and bold. Dynamism in arts and culture creates dynamism in a nation. So when more children get access to the joy of art, it is not the art alone that they learn; it is the art of living, thinking and creating. They may never be, probably wont ever be, an artist or a dancer or a designer, but in whatever job, in whichever walk of life, they will carry an idea that is not just about the buying and selling, but about what makes the ordinary special. When people on low incomes can visit museums free of charge, and see great works of art, they take something of the inspiration with them.
The author writes the passage to
包合物制备中，β—CD比α—CD、γ一CD更为常用的原因是()
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