Working
the land to feed the people
LEVEL THREE
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ADVANCED
KEY
© one
stop
english.com 2002
6
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Koreans succeed in cloning human embryos
Level 1 |
Elementary
Key Vocabulary
Fill the gaps using these key words from the text:
stem cells
organs
cloning
disease
embryo
blatocyst
Copying an animal or a human to make another animal or human is called ____________ .
The small egg that eventually becomes a baby is called an ____________ .
____________ change a fertilised egg into 10 trillion cells during pregnancy.
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