1) Choose the proper words and fill in the blanks
1. The scientists solve a ... of complicated mathematical problems.
A origin В variety С universe D cell
2. The researchers always try to... the facts.
A refer В measure С satisfy D unify
3. Different kinds of sciences ... each other.
A search В overlap С attempt D appear
4. ... make our life and work easier. A principles В laws С tools D facts
5. People had to get food, clothes, and ....
A shelter В machines С cars D technologies
6. Science is ... much to modern technology. A doing В making С contributing D explaining
7. Digital computers ... with numbers.
A deal В refer С solve D measure
8. Analog computers work with a physical... .
A weight В size С quantity О temperature
9. Computers help ...for clues to the origin of the universe.
A search В solve С research D investigate
10. Many tasks performed by people are now done... computers.
A among В between С of D by