18. Fill the cells in the table with the words derived from the given ones.

    Verb	Noun	Adjective	Adverb
    	transporter		-------
    	sensor		-------
    		unpredictable
    			differently
    		variable
    -------	dexterity
    	transporter
    	sensor

19. Fill in the words in the correct form.

T he idea of automata originates in the mythologies of many cultures around the world. Engineers and 1) … (invent) from ancient civilizations, including Ancient China, Ancient Greece, and Ptolemaic Egypt, 2) … (attempt) to build self-operating machines, some resembling animals and humans. Many ancient mythologies include artificial people, such as the 3) … (mechanism) servants built by the Greek god Hephaestus, the clay golems of 4) … (Jew) legend and clay giants of Norse legend, and Galatea, the 5) … (myth) statue of Pygmalion that came to life. Since circa 400 BC, myths of Crete include Talos, a man of bronze who 6) … (guard) the Cretan island of Europa from pirates.

In ancient China, the 3rd century text of the Lie Zi 7) … (describe) an account of humanoid automata, involving a much earlier encounter between Chinese 8) … (empire) King Mu of Zhou and an engineer known as Yan Shi, an 'artificer'. Yan Shi proudly presented the king with a life-size, human-shaped figure made of leather, wood, and artificial organs. There 9) … (be) also accounts of flying automata in the Han Fei Zi and other texts, which attributes the 5th century BC Mohist philosopher Mozi and his contemporary Lu Ban with the invention of artificial wooden birds that 10) … (can) successfully fly.

20. Rearrange the letters in bold to make words that fit into the gaps.

1 ) _____ (bimole) robots have the capability to move around in their environment and are not fixed to one 2) _____ (calsiphy) location. Modern robots are usually used in tightly controlled environments such as on 3) _____ (seasmbly) lines because they have 4) _____ (tyfidifcul) responding to unexpected interference. Because of this most humans rarely encounter robots. However 5) _____ (medostic) robots for cleaning and maintenance are increasingly common in and around homes in 6) _____ (edvedelop) countries. Robots can also be found in 7) _____ (rylimita) applications.