← Duolingo English Test topics
Duolingo English Test / reading / Duolingo English Test
Science and technology
10 original practice questions. Open them in any order.
Independent preparation material, not an official test or score prediction.
Question 1 of 10 · easier
fill_in_the_blanks
Fill in the Blanks. Type the missing letters to complete the unfinished word. Each underscore is one missing letter. Time on the test: 20 seconds.
Scientists use a mic_______ to see tiny living things that are too small for the human eye.
Your responses remain here while you practise. They are not saved after leaving or reloading this page.