Task 3. Read the text and do the task, Tsunamis are a series of waves in the ocean that create surges of water.
These walls of water can reach up to 100 feet high and cause widespread destruction
when they reach shore. Earthquakes on the sea floor are the usual cause of tsunamis.
When the ocean floor at a plate boundary, raises or falls, it displaces water and sends
rolling waves that become a tsunami. Around 80 percent of tsunamis happen in the so-
called "Ring of Fire" in the Pacific Ocean. This is a volcanically active area were tectonic
plate shifts and earthquakes are common. Underwater landslides and volcanic
eruptions can also start tsunamis. In Earth's ancient past, tsunamis were caused by a
meteorite crashing into the ocean. People's best defense against tsunamis is early
warnings that allow people to evacuate areas near the ocean.
Answer the questions using appropriate words.
1. What do these numbers 80 mean in the text?
2. What do these numbers 100 mean in the text?
3.Where most causes
tsunamis?
Total marks 13
2. Have I sent a letter to my friend? I haven't sent a letter to my friend.
3. Has she made a very bad mistake? She hasn't made a very bad mistake.
4. Have the children gone to bed? The children haven't gone to bed.
5. Have I seen a mouse in the kitchen? I haven't seen a mouse in the kitcen.
6. Have we met our business partners? We hanven't met our business partners.
7. Have I lost my student identity card? I havent' lost my student identity card.
8. Have they cleaned their rooms? They haven't cleaned their rooms.
9. Have the tourists visited the National Gallery? The tourists haven't visited the National Gallery.
10. Has the teacher checked our tests? The teacher hasn't cheked our tests.
11. Has Harry broked his car? Harry hasn't broken his car.
12. Have I forgotten his phone number? I haven't forgotten his phone numer.
13. Have they left for Rome? They haven't left for Rome.
14. Has Mary seen this film? Mary hans't seen this film.
15. Have we read this detective story? We haven't read this detective story.
16. Has he taken my credit card? He hasn't taken my credit card.