Question

Match the words that are close in meaning with their correct definitions.
I
Invention (1) or discovery (2 ?
a) the process of learning something that was not known before, or of finding something that was missing or hidden
b) a machine, tool, or system that someone has made, designed, or thought of for the first time
II
Tools (1) or appliances (2 ?
a) machines or pieces of equipment that you have in your home, for example a washing machine or refrigerator
b) pieces of equipment, usually ones you hold in your hand that are designed to do a particular type of work
Ill
Investigation (1) or research (2 ?
a) the detailed study of something in order to discover new facts, especially in a university or scientific institution
b) the process of trying to find out all the details or facts about something in order to discover who or what caused it or how it happened

Answer 1

I a) discovery (открытие); b) invention (изобретение)
II a) appliances (приборы); b) tools (инструменты)
III a) research (исследование); b) investigation (изучение)