1) What type of words should be selected and inserted into the blanks? 1. The scientists resolve a variety

1) What type of words should be selected and inserted into the blanks? 1. The scientists resolve a variety of complicated mathematical problems. a) origin b) variety c) universe d) cell
2) What do the researchers always try to do with the facts? a) refer b) measure c) satisfy d) unify
3) How do different types of sciences relate to each other? a) search b) overlap c) attempt d) appear
4) What makes our life and work easier? a) principles b) laws c) tools d) facts
5) Aside from machines and cars, what other things did people have to obtain, such as food, clothes, and shelter? a) shelter b) machines c) cars d) technologies
6) What does science contribute significantly to? a) doing b) making c) contributing d) explaining
7) What do digital computers deal with? a) deal b) refer