30. Smartphones are used not only for communication but also for information and ____.
A. entertain B. entertainer C. entertaining D. entertainment
31. People often use the natural world as inspiration to design and invent new ____.
A. producers B. produces C. productions D. products
32. Internet and social networks help us easily interact ____ people all over the world.
A. in B. of C. on D. with
33. Users can look ____ locations as well as directions to different places on Google Maps.
A. down B. for C. in D. up
34. The two fabrics of Velcro stick together thanks ____ the hooks on the surface and the loops on the other.
A. by B. for C. of D. to
35. If you get a laptop as a reward, what w ill you use it ____?
A. by B. for C. to D. with
36. Scientists have invented artificially intelligent computer systems ____ of answering questions posed in natural language.
A. able B. aware C. capable D. fond
