Unit 7: DIFFICULT WORDS

Crane: a large machine with a long metal arm that is used for moving or lifting heavy objects.

Skyscraper: an aextremely tall building.

Titanium: a hard silver-grey metal that is combined with other metals to make strong, light materials that do not easily rust (=react with air over a period of time).

Aluminium: a light silver-coloured metal that is used for making cooking equipment, etc.

To pump: to force a gas or a liquid to go in a particular direction.

Sample: a number of people or things taken from a larger group and used in tests to provide information about the group.

Shape: an example of something that has a particular form.

To heat up: to become or to make something hot or warm.

To cool down: to lower the temperature of something.

2 comentarios

[Estibaliz - 22 de febrero de 2010 - 23:03]

Yes, that's the idea.

[Naiara Sagrario Molina Díaz - 18 de febrero de 2010 - 20:12]

I prefer this if you post in the blog.And in class we check only.And we see if is good.Bye.