Lexical - grammar exercises

Ex.2 Complete the following sentences:

1. Three plus nine is....2. Seventeen plus thirteen is....3. Five plus forty is.... 4. One hundred mines twenty-three is....5. Ninety-one mines sixteen is...

Ex.3 Write the following numerals in English:

8, 97, 63, 47, 23, 18, 33, 11, 58, 13, 87, 19, 55, 12, 1, 10, 100.

Ex.4 Translate the following quantitative and ordinal numerals in English:

один-перший, два-другий, три-третій, одинадцять-одинадцятий, вісімдесят-вісімдесятий, дев’ять-вісімдесят дев’ять.

Ex.5 Read the following fractions:

a) 1/3 2/3, ¼, ½, 3/5, 4/5, 2/5, 5/6,

b) 0.25; 0.08; 1.35;.6; 25.005; 13.75;.125; 4.68;.05; 0.97.

Ex.6 Translate the following sentences, pay attention to the meaning word – as.

As: 1.так як,2. в той час як, 3. оскільки, 4.стільки-стільки, 5. як, 6. по мірі то як.

1. As the time passed, stone tool were substituted by metal one.2. There are two kinds of transformations, which are known as physical and chemical changes. 3. The synthetic materials of which the house in made can be relied upon as they are of high quality. 4. Every second the Sun sends into space as much energy as mankind consumed during the whole period of its existence. 5. the outer and inner walls of the house are as thick as 40 centimetres. 6. At present plastics as well as metals are widely used in various branches of industry.

Ex.7 Translate the following sentences, pay attention to the meaning words – after, before:

1. Before discovery of the structure of atomic nuclei, it was thought that there existed two general types of forces explaining all natural phenomena: electrical and gravitational forces. 2. The word “ helium” come from the Greek word “sun” because element was discovered in the sun before it was discovered on the earth. 3. After it become clear that some mistake had been made in the calculation, the experiment was stopped. 4. After a period of discharge the battery can be restored to its original condition by supplying energy to it from an outside source. 5. For days or weeks after the reactor has been turned off, the radiation intensity is so great inside that repairs there are never attempted.