youdao

The study rated understanding at three levels: basic, proficient and advanced.

研究从三个层次理评估理解能力，基本，专业，高级。

youdao

And if they don't have a chance to play with advanced curricula and be learning at the levels at which they are functioning, then they lose that spark, inspiration and passion.

如果他们没有机会接触更深的课程，学习适合他们水平的课程，他们就会失去学习热情和兴趣，失去激情。

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"People from all walks of life, and particularly from rural areas or marginalized communities, can have access to higher education at the most advanced levels, and our program provides that opportunity."

VOA: special.2009.09.24

Both should be offered at intermediate and advanced levels.

BBC: NEWS | UK | Education | Pros and cons of replacing A-levels

At current levels the commodity index remains at barely half the peak levels seen in 2007, and it has advanced little since late 2003.

WSJ: Upside: Are Commodities a Buy?

With a view to promoting international exchanges in the field of education, culture, communication, science and technology, and to enhancing friendship among peoples of the world, the Government of the People's Republic of China has placed at the disposal of UNESCO for the academic year 2011-2012, under the co-sponsorship of UNESCO, twenty five (25) fellowships for advanced studies at undergraduate and postgraduate levels.

UNESCO: Sources