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Poziomy europejskie

European levels:

The levels of language command are classified by the Common European Framework which is an internationally recognised classification of exams and levels accepted by the Council of Europe. The system thoroughly defines the range of language skills which must be mastered by the learners of a language to be able to communicate in it, and to ensure that the communication is set properly in any given sociolinguistic context.

The levels classified by the system:

C2 Mastery
C1 EOP - Effective Operational Proficiency
B2 Vantage
B1 Threshold
A2 Waystage
A1 Breakthrough

More about European levels

 
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Level 3 – Intermediate

Cc the cloned cat

Instead of pouring money into finding an Aids vaccine or new ways of treating cancer, a team of American scientists are working on a much more exciting and profitable project – cloning pets. Scientists from a company called Genetic Savings and Clone recently announced that they have succeeded in cloning the first cat ever. The two-month-old kitten is called Cc which stands for carbon copy. 

They spent three years trying to clone a dog but failed for reasons they do not really understand. Then they tried to clone a cat. They created 87 embryos and implanted them into surrogate mothers. Only one developed and the result was Cc, born on 22nd December, 2001. Now the company hopes to improve the cloning techniques and offer to replace people’s beloved pets for a lot of money.

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Answer the questions below to check how well you understand the text.  

A group of American scientists has cloned a cat:

because it will help them treat cancer.

from a dog embryo.

because they want to be rich.

 


Which of the following is true?

All 87 embryos were implanted into one cat.

The scientist have no idea why they failed in cloning a dog.

The company will develop their cloning techniques hoping to find an Aids vaccine.

 

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Last update: 2006-04-13

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