miércoles, 29 de marzo de 2017
domingo, 26 de marzo de 2017
miércoles, 15 de marzo de 2017
Absolute location
navigators use lines of latitude and lines of longitude to locate places. Lines of latitude run east and west. Lines of longitude run north and south around the world. These lines create an imaginary graph paper on the Earth. They make it possible to find an exact point, even in the middle of the ocean.
Latitud lines tell us how far we are from the Equator, and longitude lines tell us how far east or west we are from prime meridian.
Many maps today include degrees of latitude and longitude.
When the magnetic compass was brought to Europe, made expeditions easier
questions:
1.- What is the function of lines of latitude and longitude?
Their function is to help us to locate precise spots in the map
2.- Which imaginary lines run North and south?
Longitude lines
3.- Which imaginary lines are based on the equator?
Latitude lines
4.-Explain what is meant by an absolute location
Absolute location is an exact and not wrong point in the map,
5.- In your opinion, Which invention was more important: the astrolabe or the magnetic compass?
The magnetic compass
why? Because it works any time, any weather, and any places
miércoles, 8 de marzo de 2017
Doctors worry about post-antibiotic future
We are entering a time that common infections caused by bacteria will be deadly. Why? Antibiotics we have now a days are insuficient to fight a rising number of drug-resistant bacterias

When a bacteria cannot be killed with some antibiotic means it has become drug-resistant, and we have to use stronger antibiotics. Once they develop that ability they can pass it on so other bacteria can become drug-resistant as well.
Now, hospitals and doctors are being careful not to overuse antibiotics, and patients have to take antibiotics as prescribed.
The US scientists are looking for new antibiotics but is a slow process so we have to be careful with drugs

When a bacteria cannot be killed with some antibiotic means it has become drug-resistant, and we have to use stronger antibiotics. Once they develop that ability they can pass it on so other bacteria can become drug-resistant as well.
Now, hospitals and doctors are being careful not to overuse antibiotics, and patients have to take antibiotics as prescribed.
The US scientists are looking for new antibiotics but is a slow process so we have to be careful with drugs
lunes, 6 de marzo de 2017
What's about Going to?
Going to is not a tense. It is a special structure that we use to talk about the future.
The structure of going to is:
subject | + | be | + | going | + | to-infinitive |
subject | be | not | going | to-infinitive | |
---|---|---|---|---|---|
I | am | going | to buy | a new car. | |
I | 'm | going | to go | swimming. |
How do we use going to?
going to for intention
We use going to when we have the intention to do something. We have already made a decision before speaking.
- Jo has won the lottery. He says he's going to buy a Porsche.
- We're not going to paint our bedroom tomorrow.
going to for prediction
We use going to to make a prediction about the future. Our prediction is based on present evidence. We are saying what we think will happen.
- The sky is very black. It's going to snow.
- It's 8.30! You're going to miss your train!

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