El pronom relatiu

El pronom relatiu Oracions subordinades adjectives

La variació lingüística

La variació lingüística La sociolingüística

El texto

Think about it. What plants need

Remember what you have studied in this section and answer the questions: Why do plants sometimes need fertilisers to grow well? How does the way trees and animals get food differ? Which are autotrophs…

Analyse a photograph

This photo shows an eruption of Mount Etna, in Sicily. Describe what you see in the photograph. Notice the lava flowing down the mountainside. What is it like? Do you think there could be any towns or…

Talk about it. Obtaining and using energy

Look at the pictures and answer the questions: Is the Sun a source of energy? And a bonfire? List five sources of energy. Which of them could run out? Will we always have oil to use? Name a source of…

Unit 9: Motion and forces

Accelerate (v): to go faster; to increase in velocity. apparent weight (n): the total sum of forces acting on a body. area (n): a quantity which expresses the extent of a twodimensional surface.…

Final self-evaluation T01 07 - The 18th century: the Ancien Régime in cr...

Match each statement with the correct subject: The subsistence crisis is a period when crops fail and prices rise while rural people suffer hunger. The Spanish enlightenment thinkers insisted on the…

Find out more. Caciquism and electoral fraud

The bipartisan system based on the turno pacífico depended on election rigging and caciquism, a form of social coercion. Caciques were individuals who controlled an electoral constituency through their…

Describe. United States and the crisis of 1898

Look at the illustration and answer the questions: What conflict is depicted in this cartoon? What caused it? Describe the characters and the action. Explain the symbolism. What do the teeth represent?