1. Раскройте скобки, употребляя глаголы в Present, Past или Future Simple Passive.
13. During the Renaissance arts and science underwent great changes. In architecture these changes (mark) by a return to classical forms and proportions of ancient Roman buildings. 14. The consignment (deliver) to the customer by next Monday. 15. Sensors (use) to check variations of light, heat, temperature, position, moisture and many other physical data. 16. Velocity (measure) in kilometers per hour, miles per hour, or meters per second. 17. In arc welding the intense heat needed to melt metal (produce) by an electric arc. 18. Diesel engines commonly (use) in heavy machinery, locomotives, ships and in cars. 19. If various objects (connect) to form separate paths between the terminals of a source of electric current, they are said to be “connected in parallel”.