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LILY. The white lily stands for purity. LILY is the family name of about 2,000 species of plants. Most are herbs (plants without woody stems). The family includes onion, asparagus, tulip, and hyacinth. The name comes from a group of perennials of the genus Lilium, often called the true lilies. Of the 80 or 90 species known, about 24 are natives of North America, about 50 are Asian, and 12 are European. True lilies have underground bulbs made of overlapping scales which contain stored food. Their flowers (except for rare double forms) have three sepals and three petals so nearly alike that all six often are called petals. The blossoms grow at the top of a leafy stalk. They are of many colors and shapes. Among the most beautiful are the white Madonna (Easter) lily; the Japanese Turk’s-cap with orange flowers spotted with red; the clustered dark-orange, purplish-spotted tiger lily; the scarlet coral lily; the gold-banded lily of Japan; and the pink Speciosum lily.

Scientific activity is the main engine of progress and it opens up endless prospects for the future of society and civilization.

Общий:

Is scientific activity the main engine of progress?

Does scientific activity open up endless prospects for the future of society and civilization?

Альтернативный:

Is scientific activity the main engine or the main stop of progress?  

Does scientific activity open up or close endless prospects for the future of society and civilization?

Разделительный:

Scientific activity is the main engine of progress, isn't it?

Scientific activity opens up endless prospects for the future of society and civilization, doesn't it?

Специальный:

What is scientific activity?

What does scientific activity open up?

К подлежащему:

What is the main engine of progress?

What opens up endless prospects for the future of society and civilization?