Mars is the fourth planet remotest from the Sun.
Mars belongs to the planets of the earth group and is named after the ancient Roman God of war, analogous to the ancient Greek Ares.
Mars has two natural moons-Phobos and Deimos (meaning "fear" and "horror"). The names are given to the moons in honor of characters in Greek mythology, the sons of Ares.
Mars has been known to people since ancient times, when people watched the movement of the red star, the harbinger of wars and cataclysms, across the sky.
Mars has a thin atmosphere.
Mars ' neighbors are Earth and Jupiter, which is separated from the red planet by an asteroid belt.
Models suggest that Mars consists of a crust with an average thickness of 50 kilometers (the maximum estimate is no more than 125 kilometers), a silicate mantle, and a core with a radius of 1480 to 1800 kilometers.
The main features of the surface terrain of Mars are considered to be impact craters, volcanoes, valleys, deserts, and polar ice caps. The highest mountain on the planets of the Solar system Olympus is an extinct Martian volcano.
2) The highest peak of the British Isles is Ben Nevis , situated in the Grampian Montains of Scotland
3) Plants can’t grow without water
4) The water in the lake is always clean
5) John looked out of the window and exclaimed: ”What afine day ! What wonderful weather!”
6) Will you give me acup of tea with milk and sugar in it?
7) The longest river of the world is the Nile , and the Amazon is the second largest river.
II. Put the verbs in the correct tenses .
1) I wil not take you to the cinema tomorrow if you do not do your homework
2) Who usually cooks dinner in your family?
3) – Hello, Jack ! I phoned you two hours ago but there was no answer . What were you doing at that time ? - I was taking a bath and did not hear the bell . - Let’s go for a walk .- I’m sorry, I can’t, I am making a report .
4) Here you are! We have been waiting for you for an hour .
5) How much salt did you put in the soup? It is so salty.
6) The boy (to fall ) and (to hurt ) himself while he ( to play )football , that’s why he (to take) to hospital
7) When Nick found the bike at last , he (to understand )at once that it (to break ) by his little brother.
8) * The travellers ( to walk )in the rain for many hours when at last they saw a house.
9) * We can’t watch TV now :our TV set (to repair ) . We’ll have to wait for a while .
10) * It (to announce) on the radio yesterday that the ship already (to leave ) the port and it ( to come) to London in two days.